OpenAI releases GPT-6.1 Sol for complex coding and professional work
Original titleReleased GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work at a lower cost than GPT-6 Astra.
AISummary
OpenAI has released GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work, at a lower cost than GPT-6 Astra. For prompts up to 272K input tokens, standard pricing is $2 per 1M input tokens, $0.10 cached input, $2.50 cache write, and $10 output. The model also supports Multi-agent in beta, letting it delegate work to subagents in a Responses API request.
AIWhy it matters
The changelog gives per-token pricing and a multi-agent beta, showing how the model compares in cost with GPT-6 Astra for developers planning coding workloads.
Source: OpenAI API Changelog · developers.openai.comPublished · added here