OpenAI unveils GPT-6.1 Sol with stronger agentic coding and near-Astra performance

OpenAI released GPT-6.1 Sol on September 30. The new model features enhanced agentic coding and computer use capabilities, with performance approaching Astra. Cached input is priced at 5% of standard input pricing, a 95% discount.

GPT-6.1 Sol is designed for complex refactors, deep codebase investigations, and long-running agents across applications.