GPT-4o
Text and image understanding establish a flexible starting point.
One Model Family · One Curated Home
ChatGPT on GlobalGPT
Start with GPT-6 Astra for complex reasoning, coding and research, or create and edit with GPT Image 2.5. Find the model, tools and reading that fit your next task.
Recommended NowGPT-6 Astra
Curated by GlobalGPT Review Team
A focused home for the ChatGPT series inside GlobalGPT—not another all-model marketplace.
4Current Picks
1Model Archive
6Guide Topics
A Selected Path Through the ChatGPT Series.
Five selected milestones across the text and image branches. The image model complements the reasoning models; it does not replace them.
GPT-5.5
An earlier generation for difficult coding and professional work.
Sol, Terra & Luna
Different choices for demanding, balanced and lighter workloads.
GPT-6 Astra
Complex reasoning, coding, research and document creation.
GPT Image 2.5
A new image-generation and editing entry, alongside the text models.
Four Clear Choices. No Model Maze.
Start with the job you need to do. Release timing and practical fit live together on each card.
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Recommended · Text + Image Input · Available on GlobalGPT
GPT-6 Astra
A starting point for complex reasoning, demanding coding, research and document creation. Use the model in GlobalGPT’s chat workspace.
Complex ReasoningCodingProfessional Work
Recommended · Image Generation · September 2026
GPT Image 2.5
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.
GenerateEditVisual Layout
Faster & More Efficient · Balanced · Released Jul 2026
GPT-5.6 Terra
A balanced default for everyday productivity when intelligence and efficiency both matter.
Daily WorkWritingBalanced
Faster & More Efficient · High Volume · Released Jul 2026
GPT-5.6 Luna
Optimized for high-volume work and quick everyday interactions.
Fast TasksHigh Volume
Previous Flagships & Earlier ModelsGPT-5.6 Sol, GPT Image 2 and earlier
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
Choose by the Work, Not the Version Number.
Compare the current ChatGPT family with a previous flagship 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-5.6 SolOpenAI | Focused research, drafting and bounded tasks | Strong | Strong | Balanced | Not Primary |
| GPT-5.6 TerraOpenAI | Everyday productivity | Strong | Strong | Fast | Not Primary |
| GPT-5.6 LunaOpenAI | Quick, 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 |
Browse by the Question You Have.
Each guide has one primary home. Model tags connect related reading without duplicating the same article across the page.
Access & SetupChatGPT Subscription Plans in 2026
Compare model access, plan limits and the differences between individual and team subscriptions.
Plans & AccessGlobalGPTHow to Use ChatGPTGetting StartedGuide01GlobalGPTHow to Use ChatGPT EffectivelyGetting StartedWorkflow02GlobalGPTWhy Is ChatGPT Not Working?Limits & TroubleshootingTroubleshooting03GlobalGPTWhy Is ChatGPT So Slow?Limits & TroubleshootingTroubleshooting04GlobalGPTHow to Cancel ChatGPT PlusLimits & TroubleshootingSetup05GlobalGPTHow to Use ChatGPT on iPhoneDevices & AssistantsMobile06GlobalGPTHow to Use ChatGPT With SiriDevices & AssistantsIntegration07GlobalGPTChatGPT Plus Free Trial: Eligibility & OffersPlans & OffersAccess08GlobalGPTChatGPT Plus vs BusinessPlans & OffersPlans09
Start Closer to a Useful Answer.
Prompt collections and practical workflows from the GlobalGPT Hub, organized around what you want ChatGPT to help you make.
Writing
Turn rough intent into clearer professional communication.
Write Better EmailsBuild a Stronger ResumeImage
Use repeatable structures for generation, editing and visual direction.
Best GPT Image 2 PromptsChatGPT Prompts for ImagesGPT Image 2.5: Workflow & Editing ReviewResearch
Frame questions, gather evidence and organize a deeper investigation.
Use ChatGPT Deep ResearchPrompts for Better AccuracyCoding
Structure coding requests and continue the work in a focused canvas.
Use ChatGPT CanvasChoose a Coding ModelWhat Makes a GPT Output Ready to Use?
Original research on how people describe the work they want GPT to do—and the control they want to retain.
What Makes a GPT Output Usable? Task Delegation and User Control in GlobalGPT RequestsMove From Reading to Making.
Product entrances stay visually distinct from editorial guides, so every click has a clear destination.
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01ChatGPT Image Generator
Generate new visuals directly from a focused image workspace.
02ChatGPT Photo Editor
Move directly into an image editing workflow.
03ChatGPT Caricature Generator
Turn a portrait idea into a more playful visual style.
04ChatGPT Rewriter
Refine tone and clarity from a focused workspace.
05ChatGPT Cover Letter Generator
Shape a focused cover letter around a role and experience.
06ChatGPT Checker
Review text in a dedicated checking workflow.
Know Which Voice You Are Reading.
Official model facts, public background and GlobalGPT editorial content stay visibly separate.