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OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano is shutting down

In 147 days✓ Confirmed by the official source (OpenAI)

When does OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano shut down? OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano shuts down on 1 Apr 2027 (147 days left).

OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano shuts down on 2027-04-01, 147 days from today.

Statusannounced
Shutdown date2027-04-01
Days left147
Announced bydevelopers.openai.com
Alternatives listed1
Last verified

Quick answers

When does OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano shut down?

2027-04-01

How do I export my data from OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano?

No export path is documented yet - check the vendor announcement.

What replaces OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano?

gpt-6-sol for gpt-5.1 and gpt-5.3-codex; gpt-6-luna for gpt-5.4-nano (OpenAI's stated replacements)

What stops working

OpenAI's deprecations page lists gpt-5.1, gpt-5.3-codex and gpt-5.4-nano with a shutdown date of 2027-04-01 (announced 2026-10-01).

Data at risk

unverified

How to export

No export path is documented yet - check the vendor announcement. Export checklist

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"OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano shutdown deadline 2027-04-01." Bikoosh Shutdown Watch, verified 2026-11-05. https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models

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Cite this
OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano is shutting down - https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models
<a href="https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models">OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano is shutting down</a>
[OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano is shutting down](https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models)
OpenAI API: gpt-5.1, gpt-5.3-codex, gpt-5.4-nano is shutting down. Bikoosh. Retrieved 2026-11-05, from https://bikoosh.com/shutdowns/openai-gpt-5-1-5-3-codex-5-4-nano-api-models