GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional...
OpenAI: GPT-6 Sol — OpenAI. Context window 1,050,000 tokens. API pricing (per 1M tokens): Input $2, Output $10. License: Proprietary. LMArena 1,395. GPQA Diamond 94.3%.
| Provider | OpenAI |
|---|---|
| API model ID | openai/gpt-6-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 | 1,395 (gpt-6-sol-max) |
| GPQA Diamond | 94.3% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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