When was GPT-5.4 nano deprecated?

On October 1, 2026 (as gpt-5.4-nano), from a primary source (platform.openai.com) (status valid, confidence 0.95).

product · fact

GPT-5.4 nano deprecation

As of November 4, 2026, the AsOf record says GPT-5.4 nano was deprecated on October 1, 2026 (as gpt-5.4-nano), from a primary source (platform.openai.com). The record holds 1 claim on GPT-5.4 nano's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

current deprecation: gpt-5.4-nano2026-10-01 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible

value	valid from	valid to	status	conf	sources	claim
gpt-5.4-nano to present · conf 0.95 · 1 src for deprecation gpt-5.4-nano	2026-10-01	present	valid	0.95	1 source for deprecation gpt-5.4-nano	clm_5833C2C65752

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When was GPT-5.4 nano deprecated?: On October 1, 2026 (as gpt-5.4-nano), from a primary source (platform.openai.com) (status valid, confidence 0.95).

Answered from the rows above only, as of November 4, 2026. The record has no opinions.

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Other facts about GPT-5.4 nano

GPT-5.4 nano release date