GPT 5.6
OpenAI's GPT 5.6 Sol, Terra and Luna, in one chat with Claude, Gemini and more.
Sol, Terra and Luna
The three GPT 5.6 models, all in Chatly's model picker.
GPT 5.6 at a glance
One of each
Each opens Chatly Chat on that model with the request ready.
Ask GPT 5.6 SolA bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much is the ball? Show your working.Everyday work
Ask GPT 5.6 TerraTurn these notes into a clear agenda for a one-hour team meeting:A quick answer
Ask GPT 5.6 LunaGive me five dinner ideas that take under 20 minutes and use eggs.A second opinion
Ask Claude Fable 5Here is an answer I got from GPT. Check it and tell me what you would change:
Then put the answer to work
The same plan runs the agent behind the chat. It makes the files, not just the text, and works with Gmail, Slack and 40+ other apps.
Turn an answer into slides
A deck with real charts and speaker notes, ready to present or edit.
Write the document
Reports, proposals, contracts and invoices, formatted and ready to send.
Build the spreadsheet
Budgets, trackers and models that arrive built, filled in and charted.
Publish a website
A landing page or a full site, live on its own link from one request.
Make the images
Product shots, headshots and social posts from the top image models.
Research with sources
Deep research that reads the web for you and cites every claim.
Chatly plans
Three plans, and Teams on top: pick how long you pay for, and how many credits.
Standard
$18/ month, billed quarterly
Perfect for getting started with AI
Subscribe7K credits / month
- Flash and Pro modes
- 3 concurrent agent tasks
- 2 scheduled tasks
- Connect up to 2 apps, like Gmail and Slack
- 2 knowledge bases
- Commercial usage rights
- Build and publish websites
- Create presentation-ready slides
- Deep research with citations
- Generate docs, sheets and audio
- Generate images and videos
Professional
$36/ month, billed quarterly
More credits, more room to create
Subscribe- Flash, Pro and Ultra modes
- 5 concurrent agent tasks
- 5 scheduled tasks
- Connect up to 5 apps, like Gmail and Slack
- 5 knowledge bases
- Commercial usage rights
- Build and publish websites
- Create presentation-ready slides
- Deep research with citations
- Generate docs, sheets and audio
- Generate images and videos
- AI ad creator
- AI video editor
Ultra
$183/ month, billed quarterly
Built for power users who never hit limits
Subscribe- Flash, Pro and Ultra modes
- Unlimited concurrent agent tasks
- 25 scheduled tasks
- Connect all 40+ apps
- 25 knowledge bases
- Commercial usage rights
- Build and publish websites
- Create presentation-ready slides
- Deep research with citations
- Generate docs, sheets and audio
- Generate images and videos
- AI ad creator
- AI video editor
- Early access to new models
Chatly for Teams: pooled credits and shared seats, from three seats. Talk to us
Common questions
What is GPT 5.6?
GPT 5.6 is a family of OpenAI models released in July 2026: Sol, the most capable, Terra, balanced for everyday work, and Luna, fast and light.
What is the difference between GPT 5.6 Sol, Terra and Luna?
Sol is the flagship for the hardest problems, Terra balances power and speed for everyday work, and Luna gives the fastest answers. All three are in Chatly's model picker.
Does Chatly have GPT-6?
Not yet. OpenAI released GPT-6 Astra on 3 September 2026 and GPT-6.1 Sol on 29 September. Chatly runs GPT 5.6, GPT 5.5 and GPT 5.4.
Is GPT 5.6 in ChatGPT?
Yes. ChatGPT Free and Go run GPT 5.6 Luna, and ChatGPT Plus runs GPT 5.6 Sol in chat.
Is Chatly made by OpenAI?
No. Chatly is an independent product that puts GPT, Claude, Gemini, Grok and other models in one place. It is not affiliated with OpenAI.
Plans, prices and models change, so check each company's own site before you buy.
Ask your own question
The fastest way to choose is to try. Pick one model or two and ask.
Model and product names belong to their makers and are used here only to compare. Chatly is not affiliated with Anthropic, OpenAI, Google, xAI, DeepSeek, Moonshot AI or Perplexity.
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Ask Claude, GPT or Gemini on the train, switch models mid-chat, and pick the thread up on your phone. Every chat you start here is on your phone.
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Every model on your desktop, with the files and screenshots you already have to hand.
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