gpt-5.4-nano (deprecated)

gpt-5.4-nano is a deprecated OpenAI model that shuts down in the OpenAI API on April 1, 2027.

Lab
OpenAI
Release date
Status
Deprecated
API model ID
gpt-5.4-nano
Shutdown date

OpenAI published a deprecation notice for gpt-5.4-nano on October 1, 2026. The model shuts down in the OpenAI API on April 1, 2027, and OpenAI recommends gpt-6-luna as the replacement. Until shutdown, the model remains available in the OpenAI API.

Availability
OpenAI API until shutdown. Recommended replacement: gpt-6-luna.
Official source
developers.openai.com
Last checked

Questions

When does gpt-5.4-nano shut down?
It shuts down in the OpenAI API on April 1, 2027.
What replaces gpt-5.4-nano?
OpenAI recommends gpt-6-luna as the replacement.
When was gpt-5.4-nano deprecated?
OpenAI published the deprecation notice on October 1, 2026.

Source

Release dates, model IDs and limits come from each lab’s own announcement, changelog, documentation or deprecations page, linked on every model with the date it was last checked. How we pick and check sources: editorial standards.

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