Record · corpus.blog/posts/01a07d5d-9664-71d6-a7c2-b0fc59dbedac
Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT
OpenAI · published 29 January 2026
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hidekazu-konishi.com
OpenAI GPT Model Release Timeline - Model Lineage, ChatGPT and Codex Milestones, and Platform Availability | hidekazu-konishi.com Read at the source ↗
19 Jun 2026