{"id":11741,"date":"2026-03-06T05:30:11","date_gmt":"2026-03-06T09:30:11","guid":{"rendered":"https:\/\/wp.glbgpt.com\/?p=11741"},"modified":"2026-09-13T11:48:50","modified_gmt":"2026-09-13T15:48:50","slug":"how-to-use-chatgpt-5-4","status":"publish","type":"post","link":"https:\/\/wp.glbgpt.com\/hub\/how-to-use-chatgpt-5-4","title":{"rendered":"How to Use ChatGPT 5.4: 6 Powerful Features You Should Know"},"content":{"rendered":"\n<style id=\"g54-article-styles\">\n.wp-block-group.g54-stage.g54-stage{box-sizing:border-box;display:block;width:100%;max-width:none;margin:0;padding:34px 0;background:#e9ede7;color:#000;isolation:isolate}.g54-stage.g54-stage>.wp-block-group.g54-page{box-sizing:border-box;display:block;width:100%;max-width:880px;margin:0 auto;padding:36px 48px;background:#fffefa;border-radius:14px}.g54-stage .g54-page>*{max-width:100%}.g54-stage .g54-page a{text-decoration:underline}.g54-stage .g54-page .wp-block-button__link{text-decoration:none}.g54-stage .g54-page 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#78947e}.g54-stage.g54-stage .g54-route-grid b,.g54-stage.g54-stage .g54-route-grid span{display:block}.g54-stage.g54-stage .g54-route-grid span{margin-top:8px;color:#536057}.g54-stage.g54-stage .g54-buttons{display:flex;justify-content:center;margin:26px 0}.g54-stage.g54-stage .g54-buttons .wp-block-button__link{display:inline-block;background:#355e4e;color:white;padding:15px 25px;border-radius:8px;text-decoration:none;font:600 16px\/1.5 system-ui,sans-serif}.g54-stage.g54-stage .g54-text code{background:#edf2ed;padding:2px 5px;border-radius:4px;font-size:.88em}@media(max-width:600px){.g54-stage.g54-stage h2.g54-heading{font-size:25px}.g54-stage.g54-stage h3.g54-heading{font-size:21px}.g54-stage.g54-stage .g54-text{font-size:16px}.g54-stage.g54-stage .g54-toc ol{columns:1}.g54-stage.g54-stage .g54-route-grid{grid-template-columns:1fr}.g54-stage.g54-stage .g54-table table{min-width:620px}.g54-stage.g54-stage .g54-route{padding:18px}}\n<\/style>\n\n\n\n<div class=\"wp-block-group g54-stage is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group g54-page is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"g54-text wp-block-paragraph\"><strong>To use ChatGPT 5.4, first choose where you want to work.<\/strong> The API still lists GPT-5.4, but ChatGPT\u2019s current paid experience uses GPT-5.6 Sol, with GPT-6 Pro on eligible plans. GPT-6 Pro is powered by GPT-6 Astra. Start with the <a href=\"https:\/\/help.openai.com\/en\/articles\/20001354-gpt-56-and-gpt-6-pro-in-chatgpt\">current model picker and plan options<\/a> if you want the latest ChatGPT experience.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Subscribing directly often means high costs, strict usage limits, and region restrictions. <a href=\"https:\/\/www.glbgpt.com\/home?inviter=hub_popup&amp;login=1\">GlobalGPT<\/a> brings 100+ models into one account for text, image, and video work. BASIC starts at $5.8 per month billed annually, and PRO is $10.8 per month billed annually at the prices checked on September 13, 2026. GPT-6 Astra is available in its model menu.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Choose <a href=\"https:\/\/www.glbgpt.com\/home\/gpt-6-astra?inviter=hub_content_gpt6astra&amp;login=1\">GPT-6 Astra on GlobalGPT<\/a> for demanding writing and reasoning in that shared workspace. Model use draws on the selected plan\u2019s credits; native ChatGPT, Work, and Codex features have their own product access rules.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"547\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-1024x547.png\" alt=\"gpt-6 astra on globalgpt\n\" class=\"wp-image-18874\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-1024x547.png 1024w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-300x160.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-768x410.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-1536x820.png 1536w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-18x10.png 18w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/09\/image-4-2048x1094.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.glbgpt.com\/home\/gpt-6-astra?inviter=hub_popup&amp;login=1\" style=\"background:linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 24%,rgb(51,167,181) 100%)\"><strong>Try GPT Series on GlobalGPT<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<nav class=\"g54-toc\" aria-label=\"Contents\"><strong>On this page<\/strong><ol><li><a href=\"#what-is-gpt54\">What is ChatGPT 5.4? Understanding OpenAI\u2019s 2026 Frontier Model<\/a><\/li><li><a href=\"#access-gpt54\">How to Access and Enable ChatGPT 5.4 in Your Account<\/a><\/li><li><a href=\"#thinking-workflow\">Step-by-Step Guide: How to Use the ChatGPT 5.4 \u201cThinking\u201d Features<\/a><\/li><li><a href=\"#computer-use\">Mastering Native Computer Use and Vision in GPT-5.4<\/a><\/li><li><a href=\"#professional-tools\">Boosting Professional Productivity with ChatGPT 5.4 Tools<\/a><\/li><li><a href=\"#api-tools-context\">API Developer Guide: Tool Search and the 1M Context Window in GPT-5.4<\/a><\/li><li><a href=\"#pricing\">ChatGPT 5.4 Pricing, Cost Efficiency, and Token Limits<\/a><\/li><li><a href=\"#privacy\">Safety, Privacy, and ZDR: Is ChatGPT 5.4 Secure for Enterprise?<\/a><\/li><li><a href=\"#faq\">ChatGPT 5.4 FAQ<\/a><\/li><li><a href=\"#conclusion\">Conclusion: Maximizing Your Workflow and Agents with ChatGPT 5.4<\/a><\/li><\/ol><\/nav>\n\n\n\n<figure class=\"g54-route\"><strong>Choose the route that fits the job<\/strong><div class=\"g54-route-grid\"><div><b>ChatGPT<\/b><span>Choose a plan and reasoning level<\/span><span>GPT-5.6 Sol \/ GPT-6 Pro<\/span><\/div><div><b>OpenAI API<\/b><span>Choose a model ID and token budget<\/span><span>GPT-5.4 or a current model<\/span><\/div><div><b>GlobalGPT<\/b><span>Use multiple models in one workspace<\/span><span>GPT-6 Astra \/ GPT-5.6 Sol<\/span><\/div><\/div><\/figure>\n\n\n\n<h2 id=\"what-is-gpt54\" class=\"wp-block-heading g54-heading\">What is ChatGPT 5.4? Understanding OpenAI\u2019s 2026 Frontier Model<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Released on March 5, 2026, GPT-5.4 brought reasoning, coding, and agentic workflows together for professional work. It is now an earlier model in <a href=\"https:\/\/developers.openai.com\/api\/docs\/models\">OpenAI\u2019s model catalog<\/a>; GPT-6 Astra is the current flagship.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 was designed for tasks that combine research, coding, and work across several tools.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\"><strong>About the comparisons below:<\/strong> The GPT-5.4 benchmark results and feature examples come from its March 2026 release. They describe that version and its test setup; they are not scores for GPT-6 Astra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">The Evolution: From GPT-5.2 to GPT-5.4\u2019s Agentic Workflows<\/h3>\n\n\n\n<figure class=\"wp-block-table g54-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Benchmark<\/th><th>GPT-5.4<\/th><th>GPT-5.3-Codex<\/th><th>GPT-5.2<\/th><\/tr><\/thead><tbody><tr><td>GDPval (wins or ties)<\/td><td>83.0%<\/td><td>70.9%<\/td><td>70.9%<\/td><\/tr><tr><td>SWE-Bench Pro (Public)<\/td><td>57.7%<\/td><td>56.8%<\/td><td>55.6%<\/td><\/tr><tr><td>OSWorld-Verified<\/td><td>75.0%<\/td><td>74.0%*<\/td><td>47.3%<\/td><\/tr><tr><td>Toolathlon<\/td><td>54.6%<\/td><td>51.9%<\/td><td>46.3%<\/td><\/tr><tr><td>BrowseComp<\/td><td>82.7%<\/td><td>77.3%<\/td><td>65.8%<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">March 2026 launch comparison. Source: <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">OpenAI\u2019s GPT-5.4 announcement<\/a>.<\/figcaption><\/figure>\n\n\n\n<p class=\"g54-text wp-block-paragraph\"><em>*Previously reported as 64.7%. GPT\u20115.3\u2011Codex achieves 74.0% with a newly introduced API parameter that preserves the original image resolution.<\/em><\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Building on GPT-5.2\u2019s reasoning capabilities, GPT-5.4 adds capabilities for agentic workflows. It incorporates the coding capabilities of GPT-5.3-Codex while improving how the AI interacts with software environments and tools.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img decoding=\"async\" width=\"1024\" height=\"552\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA-1024x552.jpg\" alt=\"FACTUAL ACCURACY IMPROVEMENTGPT-5.4 VS. GPT-5.2 (OPENAI 2026 OFFICIAL DATA)\" class=\"wp-image-11748\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA-1024x552.jpg 1024w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA-300x162.jpg 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA-768x414.jpg 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA-1536x828.jpg 1536w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA-18x10.jpg 18w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/FACTUAL-ACCURACY-IMPROVEMENTGPT-5.4-VS.-GPT-5.2-OPENAI-2026-OFFICIAL-DATA.jpg 1659w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Notably, it reduces hallucinations: individual claims are <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">33% less likely to be false<\/a>, and full responses are 18% less likely to contain errors relative to GPT-5.2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\"> ChatGPT 5.4 Thinking vs. GPT-5.4 Pro vs. Codex<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 appeared in three different product contexts at launch. For access today, use the current choices in the table below.<\/p>\n\n\n\n<ul class=\"wp-block-list g54-list\">\n<li><a href=\"https:\/\/www.glbgpt.com\/hub\/gpt-5-4-thinking\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT-5.4 Thinking<\/a>: Replaced GPT-5.2 Thinking at launch in ChatGPT, providing upfront plans and advanced web research capabilities.<\/li>\n\n\n\n<li><strong>GPT-5.4 Pro:<\/strong> Designed for users who need maximum performance on the most complex, multi-step tasks.<\/li>\n\n\n\n<li><strong>GPT-5.4 (Codex\/API):<\/strong> The first general-purpose model with native computer-use capabilities, supporting up to a 1M token context window for long-horizon planning.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img decoding=\"async\" width=\"925\" height=\"601\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-168.png\" alt=\"SWE-Bench Pro (public) of GPT 5.4\" class=\"wp-image-11754\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-168.png 925w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-168-300x195.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-168-768x499.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-168-18x12.png 18w\" sizes=\"(max-width: 925px) 100vw, 925px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table g54-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Where you work<\/th><th>Current choice<\/th><th>What to use it for<\/th><th>Access<\/th><\/tr><\/thead><tbody><tr><td>ChatGPT<\/td><td>GPT-5.6 Sol<\/td><td>Instant, Medium, or High; Extra High depends on plan<\/td><td>Plus includes Medium\/High; Pro, Business, and Enterprise add Extra High and Pro options<\/td><\/tr><tr><td>ChatGPT Pro models<\/td><td>GPT-6 Pro; GPT-5.6 Sol Pro<\/td><td>Harder questions and longer reasoning<\/td><td>Eligible Pro, Business, and Enterprise plans; workspace settings may apply<\/td><\/tr><tr><td>Work \/ Codex<\/td><td>GPT-6 Astra; GPT-5.6 Sol, Terra, Luna<\/td><td>Files, coding, and tasks with tools<\/td><td>Astra is included in Plus and Pro in Work\/Codex; allowances are separate from Chat<\/td><\/tr><tr><td>OpenAI API<\/td><td>gpt-5.4 \/ gpt-5.4-pro<\/td><td>A specific GPT-5.4 integration<\/td><td>Separate API billing; Pro uses the Responses API<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Model access checked September 13, 2026. <a href=\"https:\/\/help.openai.com\/en\/articles\/20001354-gpt-56-and-gpt-6-pro-in-chatgpt\">OpenAI\u2019s current plan availability<\/a>.<\/figcaption><\/figure>\n\n\n\n<h2 id=\"access-gpt54\" class=\"wp-block-heading g54-heading\">How to Access and Enable ChatGPT 5.4 in Your Account<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For the current ChatGPT experience, choose the model available to your plan. If you specifically need GPT-5.4, use its documented API model ID or an available legacy option in your account; do not assume every paid account still shows the March 2026 menu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Selecting Models in ChatGPT Plus, Business, and Pro Plans<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">ChatGPT Plus costs $20 per month, billed monthly. It includes the GPT-5.6 Sol Medium and High reasoning options, but not the Pro model option in standard Chat. If you are comparing regional checkout totals, see <a href=\"https:\/\/www.glbgpt.com\/hub\/how-much-is-chatgpt-plus\/\">how much ChatGPT Plus costs<\/a>.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Open the model picker, choose GPT-5.6 Sol, and select the reasoning level you need. GPT-6 Pro is available on eligible Pro, Business, and Enterprise plans. Plus users can use GPT-6 Astra in Work and Codex, which have separate usage allowances.<\/p>\n\n\n\n<ol class=\"wp-block-list g54-list\">\n<li>Sign in to the account that holds your subscription.<\/li>\n\n\n\n<li>Open the model picker. Use Instant for short questions or Medium\/High for multi-step work.<\/li>\n\n\n\n<li>Add your task, source material, output format, and any constraints.<\/li>\n\n\n\n<li>If a model is missing, check your plan, workspace permissions, and the app version before buying another subscription.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">API Setup for Developers and Context Window Configurations<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Developers can set <code>model: \"gpt-5.4\"<\/code> or <code>model: \"gpt-5.4-pro\"<\/code> in a request to <code>POST \/v1\/responses<\/code>. These are model IDs, not endpoint URLs. <a href=\"https:\/\/developers.openai.com\/api\/docs\/models\/gpt-5.4-pro\">GPT-5.4 Pro uses the Responses API only<\/a>.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 has a 1,050,000-token API context window and a 128,000-token maximum output. In Codex, <code>model_context_window<\/code> and <code>model_auto_compact_token_limit<\/code> are configuration settings, not fields to paste into a Responses API request. See the <a href=\"https:\/\/developers.openai.com\/api\/docs\/models\/gpt-5.4\">GPT-5.4 API specification<\/a> for its limits.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted g54-pre\">from openai import OpenAI\n\nclient = OpenAI()\nresponse = client.responses.create(\n    model=\"gpt-5.4\",\n    input=\"Turn these meeting notes into an action list with owners and deadlines.\",\n    reasoning={\"effort\": \"medium\"}\n)\nprint(response.output_text)<\/pre>\n\n\n\n<h2 id=\"thinking-workflow\" class=\"wp-block-heading g54-heading\">Step-by-Step Guide: How to Use the ChatGPT 5.4 \u201cThinking\u201d Features<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For longer tasks, ask for a short plan before the final answer. In current ChatGPT, eligible paid users can choose GPT-5.6 Sol Medium or High; Pro, Business, and Enterprise also include Extra High. The <a href=\"https:\/\/help.openai.com\/en\/articles\/20001354-gpt-56-and-gpt-6-pro-in-chatgpt\">available reasoning controls<\/a> depend on your plan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Reading the Upfront Plan and Preamble<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">At launch, <a href=\"https:\/\/www.glbgpt.com\/hub\/gpt-5-4-thinking\/\">GPT-5.4 Thinking<\/a> introduced a short preamble for longer, more complex queries. It outlined the intended approach before the final answer.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Read the plan before committing to a long answer. If the scope is wrong, add the missing audience, budget, deadline, or source restriction.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\"><strong>Try this prompt:<\/strong> \u201cUse only the notes below. First list the decisions still needed. Then draft a one-page launch plan with an owner, deadline, and cost for each task. Flag missing information instead of filling it in.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Mid-Response Course Correction: Steering Output in Real-Time<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 Thinking introduced the option to add instructions while a response was still in progress. In a current session, use that control if it is available in your interface.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Add a specific correction, such as \u201cfocus on the European market\u201d or \u201ckeep the budget below $5,000,\u201d then check that the final answer follows it.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">If you are new to the interface, the <a href=\"https:\/\/www.glbgpt.com\/hub\/how-to-use-chatgpt\/\">ChatGPT getting-started guide<\/a> covers chats, uploads, and follow-up prompts before you tackle longer workflows.<\/p>\n\n\n\n<h2 id=\"computer-use\" class=\"wp-block-heading g54-heading\">Mastering Native Computer Use and Vision in GPT-5.4<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 marks a major milestone as OpenAI\u2019s first general-purpose model with native, state-of-the-art computer-use capabilities.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Operating Browsers and Software via Codex and the API<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Developers can build agents that complete real tasks across software systems by issuing <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">mouse and keyboard commands<\/a> in response to screenshots.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Computer use needs a tool-enabled environment that can return screen images and execute actions. A normal chat response alone does not operate your desktop. Keep consequential actions behind the confirmation controls of the product you use.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">In OpenAI\u2019s March 2026 OSWorld-Verified results, GPT-5.4 achieved a <strong>75.0% success rate<\/strong>, compared with GPT-5.2\u2019s 47.3% and the benchmark\u2019s human baseline of 72.4%.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img loading=\"lazy\" decoding=\"async\" width=\"931\" height=\"590\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-166.png\" alt=\"OSWorld-Verified  of GPT 5.4 and 5.2\" class=\"wp-image-11752\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-166.png 931w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-166-300x190.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-166-768x487.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-166-18x12.png 18w\" sizes=\"(max-width: 931px) 100vw, 931px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Using \u201cPlaywright Interactive\u201d for Visual Debugging and App Testing<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">OpenAI released an experimental Codex skill called <strong>Playwright (Interactive)<\/strong>. The skill lets Codex inspect web and Electron applications while debugging them.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">OpenAI demonstrated this with an isometric theme park game that Codex could build and playtest during development.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Reading Small Text and Detailed Documents<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For dense images, the <code>original<\/code> input detail level supports up to 10.24 million total pixels or a 6,000-pixel maximum dimension, whichever limit is reached first. That extra detail can help with small text and precise visual targets.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">On OmniDocBench, GPT-5.4 recorded an average error rate of <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">0.109<\/a>, a noticeable improvement over GPT-5.2.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"465\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-167.png\" alt=\"MMMU-Pro and OmniDocBench scores of GPT 5.4\" class=\"wp-image-11753\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-167.png 904w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-167-300x154.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-167-768x395.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-167-18x9.png 18w\" sizes=\"(max-width: 904px) 100vw, 904px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<p class=\"g54-text wp-block-paragraph\"><em>MMMUPro was run with reasoning effort set to xhigh. OmniDocBench was run with reasoning effort set to none, to reflect low-cost, low-latency performance.<\/em><\/p>\n\n\n\n<h2 id=\"professional-tools\" class=\"wp-block-heading g54-heading\">Boosting Professional Productivity with ChatGPT 5.4 Tools<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 was built to execute real work products, from urgent care schedules to manufacturing diagrams. It matched or beat professional reference work in 83.0% of GDPval comparisons. For business adoption, also review the terms for <a href=\"https:\/\/www.glbgpt.com\/hub\/chatgpt-commercial-use-2026\/\" target=\"_blank\" rel=\"noreferrer noopener\">ChatGPT commercial use in 2026<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">What the GDPval Results Measure<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Building on GPT-5.2\u2019s general reasoning capabilities, GPT-5.4 delivers <strong>more consistent and polished results<\/strong> on real-world tasks critical to professionals. Useful examples include schedules, diagrams, and documents with several requirements.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">On the <strong>GDPval benchmark<\/strong>, which tests an agent\u2019s ability to produce well-specified knowledge work across <strong>44 distinct occupations<\/strong>, GPT-5.4 improved on GPT-5.2 in the launch evaluation. It matched or exceeded industry professionals in <strong>83.0% of comparisons<\/strong>, a substantial jump from GPT-5.2\u2019s 70.9% rate. This demonstrates GPT-5.4\u2019s superior capacity for high-level professional automation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img loading=\"lazy\" decoding=\"async\" width=\"695\" height=\"494\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-164.png\" alt=\"GPT-5.4 GDPval results compared with GPT-5.2\" class=\"wp-image-11749\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-164.png 695w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-164-300x213.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-164-18x12.png 18w\" sizes=\"(max-width: 695px) 100vw, 695px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Installing and Using the New ChatGPT for Excel Add-in<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"385\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel-1024x385.webp\" alt=\"gtp 5.4 vs gpt 5.2 in processing excel\" class=\"wp-image-11751\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel-1024x385.webp 1024w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel-300x113.webp 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel-768x289.webp 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel-1536x578.webp 1536w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel-18x7.webp 18w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/gtp-5.4-vs-gpt-5.2-in-processing-excel.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For financial professionals and data analysts, OpenAI has launched the official <strong><a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">ChatGPT for Excel add-in<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For a quick spreadsheet task, uploading a workbook is a separate route from installing an add-in. <a href=\"https:\/\/www.glbgpt.com\/hub\/can-chatgpt-read-excel-files-the-ultimate-2026-data-analysis-guide\/\">The guide to using Excel files in ChatGPT<\/a> walks through the upload workflow. Start with a copy of the workbook and ask the model to explain every changed formula.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">When tested on internal spreadsheet modeling tasks typical for a junior investment banking analyst, GPT-5.4 achieved a mean score of <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">87.3%<\/a>, compared with the previous 68.4% score.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">The 87.3% figure is from OpenAI\u2019s detailed evaluation table for GPT-5.4. It is a benchmark score, not a guarantee that a financial model will be correct without review.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Automating Presentations, Legal Contracts, and Complex Documents<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 was also evaluated on longer document and presentation tasks. In presentation tasks, human raters preferred GPT-5.4\u2019s output <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">68.0%<\/a> of the time due to stronger aesthetics and effective use of image generation.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">In OpenAI\u2019s legal evaluation, GPT-5.4 scored <a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">91%<\/a> on BigLaw Bench, which tested complex legal work.<\/p>\n\n\n\n<h2 id=\"api-tools-context\" class=\"wp-block-heading g54-heading\">API Developer Guide: Tool Search and the 1M Context Window in GPT-5.4<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For developers managing large ecosystems of tools, GPT-5.4 can load tool definitions as needed to reduce context use.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">How the New \u201cTool Search\u201d Saves Tokens and Lowers Latency<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Previously, all tool definitions had to be included upfront, wasting thousands of tokens. The new <strong>Tool Search<\/strong> feature allows the model to receive a lightweight list and look up specific tool definitions only when needed.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Loading fewer definitions can also reduce latency. On Scale\u2019s MCP Atlas benchmark, the tool-search configuration successfully reduced total token usage by <strong><a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">47%<\/a><\/strong> without sacrificing any accuracy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full g54-image\"><img loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"298\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-169.png\" alt=\"Example token savings from tool search of GPT 5.4\" class=\"wp-image-11755\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-169.png 798w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-169-300x112.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-169-768x287.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-169-18x7.png 18w\" sizes=\"(max-width: 798px) 100vw, 798px\" \/><figcaption class=\"wp-element-caption\">GPT-5.4 launch-era comparison, March 2026.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Configuring the 1 Million Token Window for Long-Horizon Tasks<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">When deploying agents for long-horizon deliverables, managing context is critical. The 1M token context window allows agents to keep more source material available during a task.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">The API can accept large code or document collections, subject to the model\u2019s input and output limits.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Start with the smallest useful document set. A larger window can hold more material, but it does not make every task cheaper. If you are deciding whether to move to a newer model, compare <a href=\"https:\/\/www.glbgpt.com\/hub\/gpt-5-6-pricing\/\">GPT-5.6 pricing and billing<\/a> before expanding the workload.<\/p>\n\n\n\n<h2 id=\"pricing\" class=\"wp-block-heading g54-heading\">ChatGPT 5.4 Pricing, Cost Efficiency, and Token Limits<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Because GPT-5.4 is highly token-efficient, it uses significantly fewer tokens to solve problems compared to GPT-5.2. Understanding the full breakdown of <a href=\"https:\/\/www.glbgpt.com\/hub\/gpt-5-4-pricing\/\" target=\"_blank\" rel=\"noreferrer noopener\">GPT-5.4 pricing<\/a> is crucial for developers optimizing these long-horizon workflows.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Token Usage, Batch Pricing, and Speed Improvements vs. Legacy Models<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">While the base price per token is higher to reflect its advanced capabilities, the total cost depends on both the token rate and the number of tokens used.<\/p>\n\n\n\n<figure class=\"wp-block-table g54-table\"><table class=\"has-fixed-layout\"><thead><tr><th>API model<\/th><th>Input \/ 1M tokens<\/th><th>Cached input \/ 1M<\/th><th>Output \/ 1M<\/th><\/tr><\/thead><tbody><tr><td>gpt-5.4<\/td><td>$2.50<\/td><td>$0.25<\/td><td>$15.00<\/td><\/tr><tr><td>gpt-5.4-pro<\/td><td>$30.00<\/td><td>\u2014<\/td><td>$180.00<\/td><\/tr><tr><td>gpt-6-astra<\/td><td>$10.00<\/td><td>$1.00<\/td><td>$50.00<\/td><\/tr><tr><td>gpt-5.6-sol<\/td><td>$4.00<\/td><td>$0.40<\/td><td>$20.00<\/td><\/tr><tr><td>gpt-5.6-terra<\/td><td>$2.00<\/td><td>$0.20<\/td><td>$12.00<\/td><\/tr><tr><td>gpt-5.6-luna<\/td><td>$0.20<\/td><td>$0.02<\/td><td>$1.20<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Standard short-context API token rates, checked September 13, 2026. Existing GPT-5.4 integrations and current model options are listed separately.<\/figcaption><\/figure>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Source: <a href=\"https:\/\/developers.openai.com\/api\/docs\/pricing\">OpenAI API pricing<\/a>. These are API charges, billed separately from ChatGPT subscriptions. For GPT-5.4 and GPT-5.4 Pro, prompts above 272K input tokens cost 2\u00d7 the input rate and 1.5\u00d7 the output rate for the full session. GPT-5.4 Batch and Flex discounts are separate from the standard rates shown here.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For GPT-5.4, that long-context rate is $5 input and $22.50 output per million tokens; GPT-5.4 Pro is $60 input and $270 output. Current-model long-context rates, cache writes, tools, and regional processing have their own lines on the official pricing page.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">ChatGPT subscriptions and GlobalGPT plans<\/h3>\n\n\n\n<figure class=\"wp-block-table g54-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Plan<\/th><th>Price and billing<\/th><th>What matters before paying<\/th><\/tr><\/thead><tbody><tr><td>ChatGPT Plus<\/td><td>$20\/month, billed monthly<\/td><td>GPT-5.6 Sol Medium\/High; API usage is separate<\/td><\/tr><tr><td>ChatGPT Pro $100<\/td><td>$100\/month<\/td><td>Available for new subscriptions; Pro-model allowances apply<\/td><\/tr><tr><td>ChatGPT Pro $200<\/td><td>$200\/month for existing subscriptions<\/td><td>New subscriptions and upgrades paused from September 10, 2026<\/td><\/tr><tr><td>GlobalGPT BASIC<\/td><td>$5.8\/month, billed annually<\/td><td>144,000 credits\/year on the displayed plan<\/td><\/tr><tr><td>GlobalGPT PRO<\/td><td>$10.8\/month, billed annually<\/td><td>240,000 credits\/year on the displayed plan<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">USD public prices checked September 13, 2026. Local taxes, currencies, and app-store billing can differ.<\/figcaption><\/figure>\n\n\n\n<p class=\"g54-text wp-block-paragraph\"><a href=\"https:\/\/help.openai.com\/en\/articles\/6950777-what-is-chatgpt-plus\">ChatGPT Plus is $20 per month<\/a> and does not include API usage. That is a monthly subscription price, not a price for one million tokens.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">OpenAI has <a href=\"https:\/\/help.openai.com\/en\/articles\/9793128-about-chatgpt-pro-tiers\">paused new Pro $200 subscriptions and upgrades<\/a> since September 10, 2026. Existing Pro $200 subscriptions continue to renew, and Pro $100 remains available.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">The <a href=\"https:\/\/www.glbgpt.com\/order\">GlobalGPT annual plans<\/a> combine multiple model families in one workspace. Credits are generally allocated and reset monthly; unlimited usage applies only to models specifically marked for unlimited access.<\/p>\n\n\n\n<h2 id=\"privacy\" class=\"wp-block-heading g54-heading\">Safety, Privacy, and ZDR: Is ChatGPT 5.4 Secure for Enterprise?<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">OpenAI maintains a precautionary approach to deployment, treating GPT-5.4 as a \u201c<a href=\"https:\/\/openai.com\/index\/introducing-gpt-5-4\/\">High cyber capability<\/a>\u201d model under their Preparedness Framework.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Chain-of-Thought (CoT) Controllability and Cyber Risk Mitigation<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">OpenAI also studied GPT-5.4\u2019s low <strong>Chain-of-Thought (CoT) controllability<\/strong>. In the reported tests, the model had limited ability to deliberately alter its chain of thought. That finding does not make monitoring a complete safety guarantee.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">For eligible API customers, <a href=\"https:\/\/developers.openai.com\/api\/docs\/guides\/your-data\">Zero Data Retention requires OpenAI approval<\/a> and has endpoint-specific limits. Standard API abuse-monitoring logs can be retained for up to 30 days, with exceptions described in the policy. Do not treat a model choice or a ChatGPT subscription as a blanket ZDR guarantee.<\/p>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">If you use more than one provider, compare <a href=\"https:\/\/www.glbgpt.com\/hub\/ai-data-privacy\/\">AI data privacy policies<\/a> before uploading client work. The service you send a file to determines the applicable retention and account controls.<\/p>\n\n\n\n<h2 id=\"faq\" class=\"wp-block-heading g54-heading\">ChatGPT 5.4 FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Can I still use ChatGPT 5.4?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">GPT-5.4 is still documented in the OpenAI API. In ChatGPT, use the models available in your account; the current paid experience uses GPT-5.6 Sol, with GPT-6 Pro on eligible plans.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Is GPT-5.4 the latest OpenAI model?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">No. As of September 13, 2026, GPT-6 Astra is OpenAI\u2019s current flagship. GPT-5.6 Sol, Terra, and Luna are also current options. GPT-5.4 remains a distinct earlier model.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Which ChatGPT plan do I need for advanced reasoning?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Plus includes GPT-5.6 Sol Medium and High. Pro, Business, and Enterprise add Extra High and Pro options. GPT-6 Pro access and limits depend on the plan and, for managed accounts, workspace settings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">How much does GPT-5.4 cost through the API?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Standard short-context rates are $2.50 input, $0.25 cached input, and $15 output per million tokens. GPT-5.4 Pro is $30 input and $180 output. Long-context and tool charges are separate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Does ChatGPT Plus include API credits?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">No. ChatGPT Plus costs $20 per month and API usage is billed separately. A subscription to ChatGPT, an OpenAI API account, and a GlobalGPT subscription have different billing arrangements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Can I buy the ChatGPT Pro $200 plan now?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">New Pro $200 subscriptions and upgrades have been paused since September 10, 2026. Existing subscriptions continue to renew. Pro $100 remains available; the pause has no announced end date in the checked notice.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Can I use current OpenAI models on GlobalGPT?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Yes. GlobalGPT has verified entries for GPT-6 Astra and GPT-5.6 Sol. Its BASIC and PRO annual plans display $5.8 and $10.8 per month. Model use follows GlobalGPT\u2019s credit rules and does not include every native OpenAI product feature.<\/p>\n\n\n\n<h3 class=\"wp-block-heading g54-heading\">Does the 1M context window apply to ordinary ChatGPT chats?<\/h3>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Do not assume it does. GPT-5.4\u2019s API specification lists 1,050,000 context tokens and 128,000 maximum output tokens. ChatGPT and Codex have separate context, access, and usage rules.<\/p>\n\n\n\n<h2 id=\"conclusion\" class=\"wp-block-heading g54-heading\">Conclusion: Maximizing Your Workflow and Agents with ChatGPT 5.4<\/h2>\n\n\n\n<p class=\"g54-text wp-block-paragraph\">Use GPT-5.4 when you need that specific API model or want to understand its reasoning and tool workflows. For the latest ChatGPT experience, use the current plan options; for a shared multi-model workspace, <a href=\"https:\/\/www.glbgpt.com\/home\/gpt-6-astra?inviter=hub_content_gpt6astra&amp;login=1\">start with GPT-6 Astra on GlobalGPT<\/a>. Begin with one useful task, check the result, and increase the workload only when the output earns it.<\/p>\n\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can I still use ChatGPT 5.4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"GPT-5.4 is still documented in the OpenAI API. In ChatGPT, use the models available in your account; the current paid experience uses GPT-5.6 Sol, with GPT-6 Pro on eligible plans.\"}},{\"@type\":\"Question\",\"name\":\"Is GPT-5.4 the latest OpenAI model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. As of September 13, 2026, GPT-6 Astra is OpenAI\u2019s current flagship. GPT-5.6 Sol, Terra, and Luna are also current options. GPT-5.4 remains a distinct earlier model.\"}},{\"@type\":\"Question\",\"name\":\"Which ChatGPT plan do I need for advanced reasoning?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Plus includes GPT-5.6 Sol Medium and High. Pro, Business, and Enterprise add Extra High and Pro options. GPT-6 Pro access and limits depend on the plan and, for managed accounts, workspace settings.\"}},{\"@type\":\"Question\",\"name\":\"How much does GPT-5.4 cost through the API?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Standard short-context rates are $2.50 input, $0.25 cached input, and $15 output per million tokens. GPT-5.4 Pro is $30 input and $180 output. Long-context and tool charges are separate.\"}},{\"@type\":\"Question\",\"name\":\"Does ChatGPT Plus include API credits?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. ChatGPT Plus costs $20 per month and API usage is billed separately. A subscription to ChatGPT, an OpenAI API account, and a GlobalGPT subscription have different billing arrangements.\"}},{\"@type\":\"Question\",\"name\":\"Can I buy the ChatGPT Pro $200 plan now?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"New Pro $200 subscriptions and upgrades have been paused since September 10, 2026. Existing subscriptions continue to renew. Pro $100 remains available; the pause has no announced end date in the checked notice.\"}},{\"@type\":\"Question\",\"name\":\"Can I use current OpenAI models on GlobalGPT?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. GlobalGPT has verified entries for GPT-6 Astra and GPT-5.6 Sol. Its BASIC and PRO annual plans display $5.8 and $10.8 per month. Model use follows GlobalGPT\u2019s credit rules and does not include every native OpenAI product feature.\"}},{\"@type\":\"Question\",\"name\":\"Does the 1M context window apply to ordinary ChatGPT chats?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Do not assume it does. GPT-5.4\u2019s API specification lists 1,050,000 context tokens and 128,000 maximum output tokens. ChatGPT and Codex have separate context, access, and usage rules.\"}}]}<\/script>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>To use ChatGPT 5.4, first choose where you want to work. The API still lists GPT-5.4, but ChatGPT\u2019s current paid experience uses GPT-5.6 Sol, with GPT-6 Pro on eligible plans. GPT-6 Pro is powered by GPT-6 Astra. Start with the current model picker and plan options if you want the latest ChatGPT experience. Subscribing directly [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11747,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"How to Use ChatGPT 5.4: Access, Prices & Current Models","_seopress_titles_desc":"How to use ChatGPT 5.4 today: check API access, current ChatGPT models, and real prices. Follow the steps and choose the right route before you pay.","_seopress_robots_index":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-11741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-chat"],"acf":[],"_links":{"self":[{"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/posts\/11741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/comments?post=11741"}],"version-history":[{"count":2,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/posts\/11741\/revisions"}],"predecessor-version":[{"id":19331,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/posts\/11741\/revisions\/19331"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/media\/11747"}],"wp:attachment":[{"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/media?parent=11741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/categories?post=11741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.glbgpt.com\/wp-json\/wp\/v2\/tags?post=11741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}