This date has passed. If it just broke for you, what to do is below.
gpt-4-0314 is shut down
- Announced
- 26 Sept 2025
- Effective
- passed 26 Mar 2026
- Source
- the vendor’s own page · last checked 23 Sept 2026
What breaks
Any request naming this model returns an error from the shutdown date. Pinned model names in code or config are what break, not the SDK.
What to do
Move to gpt-5, or gpt-4.1 for latency-sensitive work that does not need reasoning.
Advice confirmed 23 Sept 2026
What the vendor said
On 26 September 2025 OpenAI deprecated a set of older model snapshots with declining usage. Access to gpt-4-0314 was shut down on 26 March 2026.
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