RouterOne

OpenAI: GPT-5.6 Sol

Coming soon

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.

Input:
Output:
Context length:
1.05M
Max output:
128K
Published:
2026-07-10

This model has not been released yet — pricing and providers will appear once it is live.