They announced it on Twitter yesterday: https://x.com/OpenAIDevs/status/1986861734619947305 https://x.com/OpenAIDevs/status/1986861734619947305 and https://x.co

They announced it on Twitter yesterday: https://x.com/OpenAIDevs/status/1986861734619947305 https://x.com/OpenAIDevs/status/1986861734619947305 and https://x.com/OpenAIDevs/status/1986861736041853368 https://x.com/OpenAIDevs/status/1986861736041853368 > GPT-5-Codex-Mini allows roughly 4x more usage than GPT-5-Codex, at a slight capability tradeoff due to the more compact model. > Available in the CLI and IDE extension when you sign in with ChatGPT, with API support coming soon.