ModelsOctober 15, 2026

OpenAI to retire select GPT-4o and GPT-4.1 model snapshots from its API

OpenAI has notified developers that specific snapshots of GPT-4o, GPT-4o mini, GPT-4.1, and GPT-4.1 mini are scheduled for removal from its API. The affected model snapshots have been added to the official deprecation registry with planned shutdown dates starting on 14 January. Teams relying on pinned releases must audit their architectures and prepare migration paths.

Why it matters

Pinned model snapshots protect production workloads from unexpected behavioural drift. Scheduled deprecations compel enterprise teams to re-evaluate output evaluations and transition dependencies before endpoints go dark.

Key points

OpenAI scheduled deprecations for targeted snapshots across GPT-4o and GPT-4.1 model families.
Affected model endpoints will be removed on 14 January according to developer notifications.
Enterprise developers must plan snapshot transitions to prevent breaking changes in live applications.

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