GPT-6 Sol
The first GPT-6 Sol release, now followed by GPT-6.1 Sol. Still available in the API for apps that pinned it.
OpenAI, reasoning. Checked 30 October 2026.
Where to use it through an API
- OpenAI
gpt-6-sol
The maker publishes its own benchmarks and limits on its model page.
How it compares
The models just above and below it on the Artificial Analysis Intelligence Index.
| Model | Index | Context | Speed |
|---|---|---|---|
| GPT-6 Astra | 57 | 1M | 76/s |
| GPT-6.1 Sol | 55 | 1M | 79/s |
| GPT-6.1 Terra | 51 | 1M | 91/s |
| GPT-6 Luna | 28 | 1M | 118/s |
Use GPT-6 Sol with every other AI at once
Put GPT-6 Sol in one panel and ChatGPT, Claude, Gemini or any of 300+ models in the others. One message goes to all of them, answers arrive side by side, and test mode times them and hides the names so you judge fairly. Pro is free with a follow on X, and you use your own keys.
Questions
Is there a free GPT-6 Sol API?
Not that we found. GPT-6 Sol is paid per token through OpenAI.
What is the GPT-6 Sol model id?
OpenAI: gpt-6-sol.
How does GPT-6 Sol score?
The Artificial Analysis Intelligence Index had not scored it when we checked on 30 October 2026.
Can I use GPT-6 Sol with ChatGPT, Claude and Gemini at the same time?
Yes. MultiScreenAI puts GPT-6 Sol in one panel and other models in the others, sends one message to all of them and shows the answers side by side.