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GPT 4.5 Timeline - Announcements & Release History | AI Stats

GPT 4.5

GPT 4.5

GPT 4.5

OpenAI

Overview Timeline Benchmarks Providers Quickstart Performance

Model Timeline

07 Aug 2025

Future version

14 Jul 2025

Model Retired

Model no longer available or supported

14 Apr 2025

Model Deprecated

Model no longer supported or maintained

27 Feb 2025

Model Released

Model first made available to the public

06 Aug 2024

GPT 4o (2024-08-06)

Previous version

27 Feb 2024

Model Announced

Model first introduced to the public