OpenAI
GPT-6.1 Sol (xhigh)
GPT-6.1 Sol is OpenAI's reasoning model for complex coding, computer use, and professional work. It accepts text and images, generates text, and supports a 1,050,000-token context window with up to 128,000 output tokens. Configurable reasoning effort, structured outputs, prompt caching, and Responses API tools support multi-step workflows.
OpenAI model releasesModel Snapshot
TypeLanguage
ReleaseSep 29, 2026
Context1,050,000
Tagsexplicit-caching, file-input, implicit-caching, reasoning
Overall
Rank #19 across 717
51.0
Coding
No rank
n/a
Blended Price
Rank #351 across 438
$4.00/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed85.2 tok/s
First Token37.54s
Max Output128,000
Pricing
Blended$4.00/M
Input$2.00/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 51.0 | #19 |
| LiveBench Mathematics | math | 96.5% | #7 |
| Humanity's Last Exam | reasoning | 52.6% | #19 |
| SciCode | coding, reasoning | 55.7% | #44 |
| Output Speed |