GPT-4o
Text and image understanding establish a flexible starting point.

Start with GPT-6 Astra for the most demanding work, choose GPT-6.1 Sol for coding and professional tasks or GPT-6 Luna for focused everyday work, and create with GPT Image 2.5.
Curated by GlobalGPT Review Team

A focused home for the ChatGPT series inside GlobalGPT—not another all-model marketplace.
Selected milestones across the text and image branches. GPT-6.1 Sol adds a balanced option; GPT Image 2.5 remains the image-generation and editing branch.
Text and image understanding establish a flexible starting point.
An earlier generation for difficult coding and professional work.
Different choices for demanding, balanced and lighter workloads.
Complex reasoning, coding, research and document creation.
A new image-generation and editing entry, alongside the text models.
A newer balanced option for complex coding and professional work, alongside flagship Astra and efficient GPT-6 Luna.
Start with the job you need to do. Release timing and practical fit live together on each card.

A starting point for complex reasoning, demanding coding, research and document creation. Use the model in GlobalGPT’s chat workspace.

Generate and edit images from text and image inputs. GlobalGPT provides one GPT Image 2.5 entry: describe your creative brief or precise change in the prompt.

A balanced choice for complex coding and professional work. OpenAI positions it near Astra in performance at a lower API cost; choose the route that fits your workflow.

An efficient choice for focused, high-volume tasks such as extraction, classification, concise summaries and everyday questions.
GPT-6 SolThe earlier Sol model for coding and agentic workflows. GPT-6.1 Sol is the newer balanced choice./home/gpt-6-sol?inviter=hub_research_chatgpt&login=1
GPT-5.6 TerraFaster & More Efficient · Balanced · Released Jul 2026
An earlier balanced GPT-5.6 model, retained for existing workflows.Daily Work · Writing · Balanced/home/gpt-5-6-terra?inviter=hub_research_chatgpt&login=1Official source
GPT-5.6 LunaFaster & More Efficient · High Volume · Released Jul 2026
The earlier GPT-5.6 efficient model, retained for existing workflows.Fast Tasks · High Volume/home/gpt-5-6-luna?inviter=hub_research_chatgpt&login=1Official source
GPT-5.6 SolAn earlier flagship that remains available for focused drafting, research and coding tasks./home/gpt-5-6-sol?inviter=hub_research_chatgpt&login=1
GPT Image 2The earlier image-generation and editing entry, retained for existing workflows./image-generator/gpt-image-2?inviter=hub_research_chatgpt&login=1
GPT-5.5Previous flagship for difficult coding and professional workloads · Released Apr 2026./home/gpt-5-5?inviter=hub_research_chatgpt&login=1
GPT-5.4Previous flagship for professional and coding work./home/gpt-5-4?inviter=hub_research_chatgpt&login=1
GPT-5.3Earlier ChatGPT generation retained for reference./home/gpt-5-3?inviter=hub_research_chatgpt&login=1
GPT-5.2Previous flagship for professional work./home/gpt-5-2?inviter=hub_research_chatgpt&login=1
GPT-4oEarlier fast, flexible multimodal GPT model./home/gpt-4o?inviter=hub_research_chatgpt&login=1
Compare current ChatGPT picks with earlier models and selected alternatives. These are editorial fit labels, not benchmark scores.
| Model | Best For | Complex Work | Coding | Everyday Speed | Image Creation |
|---|---|---|---|---|---|
| GPT-6 AstraOpenAI | Complex reasoning, coding and research | Best Fit | Best Fit | Balanced | Not Primary |
| GPT-6 SolOpenAI | Earlier Sol coding and agentic workflows | Strong | Strong | Balanced | Not Primary |
| GPT-6.1 SolOpenAI | Complex coding and professional work | Strong | Strong | Balanced | Not Primary |
| GPT-6 LunaOpenAI | Focused, high-volume tasks | Efficient | Efficient | Best Fit | Not Primary |
| GPT Image 2.5OpenAI | Generating and editing images | Not Intended | Not Intended | Not Intended | Best Fit |
| GPT-5.5OpenAI | Difficult professional workloads | Strong | Strong | Balanced | Not Primary |
| Claude Opus 5Anthropic | Long-form reasoning and coding | Strong | Strong | Balanced | Not Primary |
| Gemini 3 ProGoogle | Multimodal research and analysis | Strong | Strong | Balanced | Not Primary |
Each guide has one primary home. Model tags connect related reading without duplicating the same article across the page.
Access & SetupSeparate model access from app features, and compare the two platforms’ workflows and subscriptions.
Platforms & AccessChoose an app, API testing workspace or custom assistant without confusing subscriptions with API credits.
Platforms & Access01GlobalGPTChatGPT Subscription Plans in 2026Compare model access, plan limits and the differences between individual and team subscriptions.
Plans & Access02GlobalGPTHow to Use ChatGPTGetting StartedGuide03GlobalGPTHow to Use ChatGPT EffectivelyGetting StartedWorkflow04GlobalGPTWhy Is ChatGPT Not Working?Limits & TroubleshootingTroubleshooting05GlobalGPTWhy Is ChatGPT So Slow?Limits & TroubleshootingTroubleshooting06GlobalGPTHow to Cancel ChatGPT PlusLimits & TroubleshootingSetup07GlobalGPTHow to Use ChatGPT on iPhoneDevices & AssistantsMobile08GlobalGPTHow to Use ChatGPT With SiriDevices & AssistantsIntegration09GlobalGPTChatGPT Plus Free Trial: Eligibility & OffersPlans & OffersAccess10GlobalGPTChatGPT Plus vs BusinessPlans & OffersPlans11Prompt collections and practical workflows from the GlobalGPT Hub, organized around what you want ChatGPT to help you make.
Turn rough intent into clearer professional communication.
Write Better EmailsBuild a Stronger ResumeUse repeatable structures for generation, editing and visual direction.
Best GPT Image 2 PromptsChatGPT Prompts for ImagesGPT Image 2.5: Workflow & Editing ReviewFrame questions, gather evidence and organize a deeper investigation.
Use ChatGPT Deep ResearchPrompts for Better AccuracyStructure coding requests and continue the work in a focused canvas.
Use ChatGPT CanvasChoose a Coding ModelOriginal research on how people describe the work they want GPT to do—and the control they want to retain.

Beyond a relevant answer, what makes an AI-generated result ready to use?
A 28-day GlobalGPT study combines platform activity statistics with qualitative analysis of selected requests. It examines delivery formats, fidelity to source material, evidence requirements and user review before execution.
GlobalGPT ResearchPlatform activity statistics and AI-assisted qualitative analysis of selected request excerpts; findings do not estimate population prevalence.
Read the ResearchProduct entrances stay visually distinct from editorial guides, so every click has a clear destination.

01Generate new visuals directly from a focused image workspace.
02Move directly into an image editing workflow.
03Turn a portrait idea into a more playful visual style.
04Refine tone and clarity from a focused workspace.
05Shape a focused cover letter around a role and experience.
06Review text in a dedicated checking workflow.
Official model facts, public background and GlobalGPT editorial content stay visibly separate.