ModelClockBETA
OpenAI · First-party API · LLM

gpt-5.1-2025-11-13

Shutdown scheduledShuts down on Apr 1, 2027159 days left

Provider-recommended replacement: gpt-6-sol

OpenAI will shut down gpt-5.1-2025-11-13 on Apr 1, 2027 (159 days from now). The replacement OpenAI recommends is gpt-6-sol. Source: developers.openai.com · Last checked Oct 24, 2026

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Notice

Shutdown scheduled159 days left

Shuts down on Apr 1, 2027

OpenAI lists Apr 1, 2027 as the shutdown date. Listed model identifier.

Hosting route
First-party API
Affected scope
Listed model identifier
Replacement
gpt-6-sol
Announced
Oct 1, 2026
First seen by ModelClock
Oct 24, 2026

What the provider published

developers.openai.com ↗

| Apr 1, 2027 | gpt-5.1 | gpt-5.1-2025-11-13 | gpt-6-sol |

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gpt-5.1-2025-11-13 shutdown date

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