One Model Family · One Curated Home

ChatGPT on GlobalGPT

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.

4Current Picks
1Model Archive
7Guide Topics

A Selected Path Through the ChatGPT Series.

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.

Multimodal Foundation

GPT-4o

Text and image understanding establish a flexible starting point.

Earlier Flagship

GPT-5.5

An earlier generation for difficult coding and professional work.

GPT-5.6 Family

Sol, Terra & Luna

Different choices for demanding, balanced and lighter workloads.

September 2026

GPT-6 Astra

Complex reasoning, coding, research and document creation.

September 2026

GPT Image 2.5

A new image-generation and editing entry, alongside the text models.

Latest Balanced Model

GPT-6.1 Sol

A newer balanced option for complex coding and professional work, alongside flagship Astra and efficient GPT-6 Luna.

Four Clear Choices. No Model Maze.

Start with the job you need to do. Release timing and practical fit live together on each card.

01 / 04
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Text + Image Input

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
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Image Generation

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
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Balanced

GPT-6.1 Sol

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.

CodingProfessional WorkBalanced
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High Volume

GPT-6 Luna

An efficient choice for focused, high-volume tasks such as extraction, classification, concise summaries and everyday questions.

Focused TasksHigh Volume
Previous Flagships & Earlier ModelsGPT-6 Sol, the GPT-5.6 family, GPT Image 2 and earlier

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 2026Sage green paper and stone forms on a pale backgroundAn 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 2026Light blue flowing ribbons on a pale backgroundThe 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

Choose by the Work, Not the Version Number.

Compare current ChatGPT picks with earlier models and selected alternatives. These are editorial fit labels, not benchmark scores.

ModelBest ForComplex WorkCodingEveryday SpeedImage Creation
GPT-6 AstraOpenAI
Complex reasoning, coding and researchBest FitBest FitBalancedNot Primary
GPT-6 SolOpenAI
Earlier Sol coding and agentic workflowsStrongStrongBalancedNot Primary
GPT-6.1 SolOpenAI
Complex coding and professional workStrongStrongBalancedNot Primary
GPT-6 LunaOpenAI
Focused, high-volume tasksEfficientEfficientBest FitNot Primary
GPT Image 2.5OpenAI
Generating and editing imagesNot IntendedNot IntendedNot IntendedBest Fit
GPT-5.5OpenAI
Difficult professional workloadsStrongStrongBalancedNot Primary
Claude Opus 5Anthropic
Long-form reasoning and codingStrongStrongBalancedNot Primary
Gemini 3 ProGoogle
Multimodal research and analysisStrongStrongBalancedNot 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.

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.

What 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.

Latest reportGlobalGPT GPT activity over 28 days: 88,940 user-message rows, 35,195 conversation groups and 15,152 accounts.

What Makes a GPT Output Usable? Task Delegation and User Control in GlobalGPT Requests

Published:

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 Research

Platform activity statistics and AI-assisted qualitative analysis of selected request excerpts; findings do not estimate population prevalence.

Read the Research

Start With the Model That Fits the Work.

Use GPT-6 Astra