GPT-6.1 Sol Launches with 1.05M Context at One-Fifth of Astra's Price

Key Info

GPT-6.1 Sol, an upgrade to GPT-6 Sol targeting complex software engineering, computer use, and professional workflows, is now available on B.AI's API and Web Chat.

Highlights

• Positioned as nearly matching GPT-6 Astra on agentic coding, computer use, and professional work
• Standard input/output token pricing is about 1/5 of Astra's
• 1.05M-token context window and up to 128K output tokens
• 5 adjustable reasoning levels, prompt caching, and Multi-agent delegation (Beta) via Responses API