https://derekwang2002.github.io/ai-intelligence/en/projects/openai-api-model-lifecycle/ Material changes in AI models, agents, engineering and infrastructure, with primary sources and recommendations. en Mon, 02 Nov 2026 16:56:00 GMT https://derekwang2002.github.io/ai-intelligence/en/events/ev-20261014-02/ ev-20261014-02-announced Wed, 14 Oct 2026 15:57:53 GMT New ADOPT <p>OpenAI says customers were notified on October 14 that named GPT-4o, GPT-4o mini and GPT-4.1 API snapshots, including fine-tuned variants, will be removed on January 14, 2027. The affected snapshots remain callable now; this is a scheduled shutdown, not an immediate removal. OpenAI recommends gpt-6-luna as the replacement.</p><p><strong>Why read: </strong>Named GPT-4o and GPT-4.1 snapshots still callable in production now have a fixed shutdown date, requiring exact model-ID and fine-tune migration tests.</p><p>Recommendation: ADOPT</p><p>Sources: <a href="https://developers.openai.com/api/docs/deprecations">OpenAI API deprecations</a></p>