GPT-6 Sol Pro is the same underlying model as GPT-6 SolOpens in new tab, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-modeOpens in new tab
Modalities
In / Out Price
$2 / $10per 1M
Context
1.1M
Released
Sep 22, 2026