GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...
OpenAI: GPT-6.1 Sol — OpenAI. Context window 1,050,000 tokens. API pricing (per 1M tokens): Input $2, Output $10. License: Proprietary. LMArena 1,446. GPQA Diamond 95.4%.
| Provider | OpenAI |
|---|---|
| API model ID | openai/gpt-6.1-sol |
| Tier | Frontier |
| Context window | 1,050,000 tokens |
| Max output | 128,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $2 |
| API pricing (per 1M tokens) · Output | $10 |
| LMArena | 1,446 (gpt-6.1-sol-max) |
| GPQA Diamond | 95.4% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
Compare in the full catalog