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ChatGPT 4o Timeline - Announcements & Release History | AI Stats

ChatGPT 4o

ChatGPT 4o

ChatGPT 4o

OpenAI

Overview Timeline Benchmarks Providers Quickstart Performance

Model Timeline

17 Feb 2026

Model Retired

Model no longer available or supported

18 Nov 2025

Model Deprecated

Model no longer supported or maintained

07 Aug 2025

Future version

13 May 2024

Model Released

Model first made available to the public

13 May 2024

Model Announced

Model first introduced to the public