GPT-6.1 Sol officially launched on B.AI, with API and Web Chat available simultaneously
On September 30, the B.AI platform announced the official launch of OpenAI GPT-6.1 Sol, with API and Web Chat both open for simultaneous experience. As an upgraded version of GPT-6 Sol, this model is aimed at complex software engineering, computer operations, and professional workflows, officially positioned to be close to GPT-6 Astra in intelligent agent programming, computer usage, and professional work, with the standard input/output token price being about 1/5 of Astra.
The model supports 1.05M token ultra-long context and a maximum output of 128K, providing 5 adjustable reasoning strengths, and supports prompt caching and Responses API multi-agent delegation (Beta). From now on, developers and users can directly call GPT-6.1 Sol through the B.AI platform. You are welcome to log in to chat.b.ai/chat to experience it immediately.






