Will's Blog: OpenAI releases GPT-5.1 in the API, featuring a "no-reasoning" mode and extended prompt caching with up to 24-hour retention to generate faster responses (OpenAI)

13 November 2025

OpenAI releases GPT-5.1 in the API, featuring a "no-reasoning" mode and extended prompt caching with up to 24-hour retention to generate faster responses (OpenAI)

OpenAI:
OpenAI releases GPT-5.1 in the API, featuring a “no-reasoning” mode and extended prompt caching with up to 24-hour retention to generate faster responses — Today we're releasing GPT‑5.1 in the API platform, the next model in the GPT‑5 series that balances intelligence …

Posted from: this blog via Microsoft Power Automate.