When was GPT-4.5 retired?

On July 14, 2025 (as gpt-4.5-preview), from a primary source (platform.openai.com) (status valid, confidence 0.95).

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GPT-4.5 retirement

As of November 4, 2026, the AsOf record says GPT-4.5 was retired on July 14, 2025 (as gpt-4.5-preview), from a primary source (platform.openai.com). The record holds 1 claim on GPT-4.5's retirement, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

current retirement: gpt-4.5-preview2025-07-14 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible

value	valid from	valid to	status	conf	sources	claim
gpt-4.5-preview to present · conf 0.95 · 1 src for retirement gpt-4.5-preview	2025-07-14	present	valid	0.95	1 source for retirement gpt-4.5-preview	clm_E536C3F7329F

Questions this record answers

When was GPT-4.5 retired?: On July 14, 2025 (as gpt-4.5-preview), 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-4.5

GPT-4.5 deprecation