GPT-6.1 Sol
OpenAI · Released 29 Sep 2026 · gpt-6.1-sol
$2.00
Input price / 1M tokens
#36 of 61, cheapest first
$10.00
Output price / 1M tokens
#39 of 61, cheapest first
1.05M
Context window
#2 of 71
64
Output tokens / second
#48 of 61
75.2%
DeepSWE v1.1
#1 of 17
71.4%
OSWorld 2.0
#4 of 10
36.1%
AutomationBench
#3 of 8
Summary
GPT-6.1 Sol is a proprietary model from OpenAI, released on 29 Sep 2026.
At $2.00 input and $10.00 output per million tokens, it is #36 of 61 on input price, cheapest first.
Its 1.05M-token context window ranks #2 of 71.
Measured output speed is 64 tokens per second, #48 of 61.
An upgrade to GPT-6 Sol that OpenAI says nearly matches GPT-6 Astra on agentic coding, computer use and professional work at one-fifth of Astra's standard token prices.
Benchmarks · 5 reported
| Benchmark | Score | Bar | Rank | Source |
|---|---|---|---|---|
| DeepSWE v1.1high effort | 75.2% | #1 of 17 | OpenAI launch post (chart data)Self-reported | |
| OSWorld 2.0v2026.08.08, offline set, partial score; max effort | 71.4% | #4 of 10 | OpenAI launch post (chart data)Self-reported | |
| Terminal-Bench Science 0.1max effort | 57% | – | OpenAI launch post (chart data)Self-reported | |
| AutomationBenchmax effort | 36.1% | #3 of 8 | OpenAI launch post (chart data)Self-reported | |
| GDP.pdfhigh effort | 32% | – | OpenAI launch post (chart data)Self-reported |
Self-reported means the lab ran the test itself. A rank appears only where several labs report the same version of a benchmark.
Similar models
Models with the most benchmarks in common with GPT-6.1 Sol, and the closest scores.
DeepSWE v1.1
#1 of 17Long coding tasks in real repos
- GPT-6.1 Sol75.2
- GPT-6 Astra74.1
- GPT-6 Sol68.8
- Gemini 3.7 Flash65.3
- GPT-5.6 Sol72.7
OSWorld 2.0
#4 of 10Long desktop and web workflows
- GPT-6.1 Sol71.4
- GPT-6 Astra72.6
- GPT-6 Sol60.5
- Gemini 3.7 Flash47.9
- Claude Fable 5.177.9
- GPT-5.6 Sol62.6
AutomationBench
#3 of 8End-to-end business workflows
- GPT-6.1 Sol36.1
- GPT-6 Astra41.4
- GPT-6 Sol33.2
- Gemini 3.7 Flash30.4
- Claude Fable 5.131.4
Compare GPT-6.1 Sol side by side
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Sources
- price, tiers, long-context rule: developers.openai.com/api/docs/pricing, checked 2 Oct 2026
- context, max output, knowledge cutoff, modalities, api id: developers.openai.com/api/docs/models/gpt-6.1-sol, checked 2 Oct 2026
- release date, price (changelog Sep 29 2026): developers.openai.com/api/docs/changelog, checked 2 Oct 2026
- cache read 0.05x: developers.openai.com/api/docs/guides/prompt-caching, checked 2 Oct 2026
- benchmarks, launch details: openai.com/index/introducing-gpt-6-1-sol/, checked 2 Oct 2026
- output speed: artificialanalysis.ai/models/gpt-6-1-sol, checked 2 Oct 2026
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