GPT-6 Sol
The balanced tier of OpenAI's GPT-6 family, built for interactive and agentic coding. OpenAI says it makes about half as many factual mistakes as GPT-5.6 Sol, at half its price.
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Context
1.1M
Weights
Closed
API only
Input
$2
/1M tok
Output
$10
/1M tok
Cache read
$0.20
0.10x input
Cache write
$2.50
1.25x input
Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter
| Reasoning effort | Index | Speed |
|---|---|---|
| max | 47.6 | 0 t/s |
| xhigh | 44.2 | 0 t/s |
| high | 42.4 | 0 t/s |
| medium | 39.8 | 0 t/s |
| low | 34.2 | 0 t/s |
| Non-reasoning | 28.5 | 0 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers
Reported on 15 evals across 12 domains - best 87.8% on Vibe Code Bench v1.1 · #9 of 90