GPT-6.1 SOL

Summary from the TLDR Dev newsletter

GPT-6.1 Sol targets near-Astra performance on coding, computer use, and professional work at one-fifth of Astra's standard token prices. It improves on GPT-6 Sol by 6.4 percentage points on DeepSWE 1.1 and is priced at $2 per million input tokens and $10 per million output tokens. The model is available in the API, ChatGPT Work, and Codex, with an Ultrafast tier planned.