Chat with all AIGPT-6.1 Sol
GPT-6.1 Sol is OpenAI's deeper GPT-6.1 model, reported as shipped at the end of September 2026 and praised for strong reasoning at an efficient cost. In Chat with all AI it's the GPT model to pick for real thinking: debugging, analysis and long, careful answers.
Made byOpenAI
GroupComplex work
SpeedMedium
In ProUnlimited*
fair use
fair use
Best for
- Debugging and code reasoning
- Analysis of long pages and reports
- Math and logic problems
- Careful long-form answers
Strengths
- Strong multi-step reasoning
- Good at planning before answering
- Reliable with structured output
- Efficient for heavy daily use on Pro
Things to keep in mind
- Slower than Luna and Terra — worth it for hard tasks
- Long answers by default; ask for brevity if needed
- Still double-check facts and code before shipping
Prompts to try
Find the bug in this code and explain the root cause before the fix.
Read this page and list the 5 claims that need a source.
Plan a 2-week study schedule from this syllabus.
Other GPT-6.1 models
Frequently asked questions
Is GPT-6.1 Sol free to try?
Yes. Your 3 free requests work with GPT-6.1 Sol. On Pro it's unlimited within fair use.
What is GPT-6.1 Sol best at?
Debugging and code reasoning, analysis of long pages and reports, math and logic problems.
Does GPT-6.1 Sol browse the web here?
No. In Chat with all AI models don't run live web searches. Share the page you're on with This page to ground the answer.
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