GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks and long-horizon problem solving.
Modalities
In / Out Price
$5 / $30per 1M
Context
1M
Released
Jul 9, 2026
Knowledge Cutoff
Feb 2026