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GPT 5.1 Chat Timeline - Announcements & Release History | AI Stats

GPT 5.1 Chat

GPT 5.1 Chat

GPT 5.1 Chat

OpenAI

Overview Timeline Benchmarks Providers Quickstart Performance

Model Timeline

11 Dec 2025

Future version

13 Nov 2025

Model Released

Model first made available to the public

13 Nov 2025

Model Announced

Model first introduced to the public

07 Aug 2025

Previous version