GPT-6.1 Sol
OpenAI's upgrade to GPT-6 Sol for agentic coding and computer use
Paid
Reasoning
Undisclosed
parameters
Proprietary
license
Oct 2026
released
GPT-6.1 Sol is a major upgrade to GPT-6 Sol. OpenAI points to stronger agentic coding, computer use, and professional work such as documents and analysis. It followed GPT-6.1 Terra in the autumn of 2026.