OpenAI Launches GPT-6.1 Sol With Near-Astra Performance and Ultrafast Speed Tier Coming

OpenAI has introduced GPT-6.1 Sol, positioning the new GPT-6-series model as a lower-cost option for agentic coding, computer use and professional workflows that comes close to GPT-6 Astra on several internal evaluations. The release is already available in ChatGPT Work, Codex and the API, while a GPT-6.1 Sol Ultrafast mode is slated to follow with faster token generation in Codex.