OpenAI · released Sep 29, 2026
GPT-6.1 Sol
GPT-6.1 Sol matches Astra on hard math for a fifth of the price.
4 weeks oldThinks before answering
- Input price
- $2 / M
- Output price
- $10 / M
- Context
- 1.1M tokens
- Longest reply
- 128K
- Reads
- text, image, pdf
- Knows up to
- 2026-04-30
Where it shines
- It ties Astra at 93.7 on FrontierMath.
- It scores 95.4 on GPQA.
- It costs $2 in, $10 out per million tokens.
Where it struggles
- Its creative writing score of 1424 sits far below Claude and Gemini.
Where you can use it
- OpenAI APIAPI$2 in / $10 out per million tokens.
- OpenRouterAPIListed as
openai/gpt-6.1-sol
How it scores on each job
Scores run 0 to 100 and blend every measure we have for that job. The number after the dot is its rank among the 33 models in the lineup.
The evidence
| Measure | Score | Rank in lineup | Source |
|---|---|---|---|
| Epoch Capabilities Index | 168 | #3 | Epoch AI |
| LMArena text | 1444 | #21 | LMArena |
| LMArena hard prompts | 1465 | #19 | LMArena |
| LMArena instruction following | 1467 | #17 | LMArena |
| LMArena multi-turn | 1446 | #22 | LMArena |
| LMArena creative writing | 1424 | #20 | LMArena |
| LMArena writing & language | 1442 | #19 | LMArena |
| LMArena coding | 1482 | #20 | LMArena |
| LMArena math | 1490 | #13 | LMArena |
| LMArena business & finance | 1448 | #18 | LMArena |
| LMArena legal & government | 1467 | #17 | LMArena |
| LMArena medicine | 1429 | #23 | LMArena |
| WebDev Arena | 1752 | #4 | LMArena |
| Vision Arena | 1288 | #11 | LMArena |
| Search Arena | 1233 | #5 | LMArena |
| Agent Arena | #5 | #5 | LMArena |
| GPQA Diamond | 95% | #4 | Epoch AI |
| FrontierMath | 94% | #2 | Epoch AI |
| SimpleQA Verified | 74% | #3 | Epoch AI |
| ARC-AGI-2 | 94% | #2 | Epoch AI |
Compare it with these
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- Price
- $10 in · $50 out
- Context
- 1.1M
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- Price
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- Context
- 1M
New
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Gemini 4 Argon is Google's new flagship and gives the best answers for everyday chat and research.
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- Price
- $2 in · $10 out
- Context
- 1M