OpenAI launches GPT-6.1 Sol with performance nearing its most powerful model

OpenAI launched GPT-6.1 Sol at its annual developer event, saying it offers capabilities close to its most powerful model, Astra, at one-fifth the price. The model nearly matches Astra in agentic coding, computer use and professional work. It is designed for complex code refactors, deep codebase investigations and long-running agents operating across multiple apps.