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GPT-6 Sol
GPT-6 Sol is a proprietary model from OpenAI, released Sep 22, 2026. It ranks #157 of 351 on the LMArena text leaderboard with a rating of 1398. It costs $2 per million input tokens and $10 per million output tokens, with a 1.1M-token context window.
- Developer
- OpenAI
- Released
- Sep 22, 2026
- Context window
- 1.1M
- Price in / out, per 1M tokens
- $2 / $10
- Weights
- Proprietary
- Inputs
- Files, Images, Text
- Reasoning
- Yes
- Tool use
- Yes
Benchmarks
| Benchmark | Score bar | Accuracy | Rank | Cost / test |
|---|---|---|---|---|
| Terminal-Bench 4.0Coding | 44.44% | 11 / 55 | $5.79 | |
| Vibe Code BenchCoding | 87.82% | 10 / 115 | $26.36 | |
| Tax Agent BenchFinance | 15.00% | 57 / 76 | $2.28 | |
| Legal Research BenchLaw | 28.85% | 55 / 85 | $4.90 | |
| MedCodeMedicine | 47.07% | 36 / 107 | $2 / $10 | |
| Terminal-Bench ScienceReasoning | 30.00% | 8 / 42 | $5.82 |
Vals AI, as of Oct 24, 2026.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1398 | 157 / 351 | 14.7K |
| CodingLMArena | 1448 | 106 / 346 | 3.4K |
| MathLMArena | 1406 | 154 / 339 | 827 |
| Creative writingLMArena | 1377 | 134 / 349 | 3.1K |
| Instruction followingLMArena | 1411 | 104 / 351 | 4.9K |
| Hard promptsLMArena | 1421 | 132 / 351 | 9.1K |
| Multi-turnLMArena | 1413 | 131 / 349 | 2.3K |
| Long queriesLMArena | 1416 | 117 / 330 | 6.2K |
| ExpertLMArena | 1436 | 109 / 305 | 1.5K |
| Legal and governmentIndustries | 1396 | 163 / 325 | 1.3K |
| Medicine and healthcareIndustries | 1369 | 190 / 325 | 1.1K |
| Business and financeIndustries | 1381 | 169 / 344 | 2.7K |
| ChineseLanguages | 1412 | 174 / 328 | 1.2K |
| SpanishLanguages | 1387 | 163 / 249 | 604 |
| GermanLanguages | 1373 | 152 / 261 | 247 |
| FrenchLanguages | 1395 | 162 / 252 | 502 |
| JapaneseLanguages | 1369 | 113 / 236 | 274 |
| WebDevLMArena | 1681 | 10 / 124 | 5K |
| VisionLMArena | 1240 | 74 / 146 | 3.2K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare GPT-6 Sol
OpenAI
The lab behind GPT and ChatGPT, which brought large language models to hundreds of millions of people. Founded 2015, based in San Francisco. openai.com
Questions
Who makes GPT-6 Sol?
GPT-6 Sol is made by OpenAI, founded 2015 and based in San Francisco.
How much does GPT-6 Sol cost?
$2 per million input tokens and $10 per million output tokens, at its provider’s list price.
What is GPT-6 Sol’s context window?
1.1M tokens (1,050,000).
How does GPT-6 Sol rank?
#157 of 351 on LMArena’s text leaderboard, rated 1398 (95% interval 1392–1404) from 14,707 votes, as of Oct 22, 2026.
Is GPT-6 Sol open source?
No. GPT-6 Sol is proprietary and served through its provider’s API.