OpenAI launches GPT-6.1 Sol as a lower-cost model for coding and agentic work

OpenAI launched GPT-6.1 Sol on September 29, positioning it as a lower-cost upgrade to GPT-6 Sol for coding, computer-use agents and professional work. The model is available as gpt-6.1-sol in the API and in ChatGPT Work and Codex for paid and institutional users, with standard API pricing of $2 per million input tokens and $10 per million output tokens.