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OpenAI · First-party API · LLM

gpt-5.4-nano-2026-03-17

Shutdown scheduledShuts down on Apr 1, 2027159 days left

Provider-recommended replacement: gpt-6-luna

OpenAI will shut down gpt-5.4-nano-2026-03-17 on Apr 1, 2027 (159 days from now). The replacement OpenAI recommends is gpt-6-luna. 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-luna
Announced
Oct 1, 2026
First seen by ModelClock
Oct 24, 2026

What the provider published

developers.openai.com ↗

| Apr 1, 2027 | gpt-5.4-nano | gpt-5.4-nano-2026-03-17 | gpt-6-luna |

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