Is gpt-4.5-preview deprecated?

Q: Is gpt-4.5-preview deprecated?

Yes — deprecated. Retired 2025-07-14 — 443 days ago. Requests to this identifier are expected to fail. The provider names gpt-4.1 as the replacement.

DEPRECATED

Retired 2025-07-14 — 443 days ago. Requests to this identifier are expected to fail. The provider names gpt-4.1 as the replacement.

state=dead sunset=2025-07-14 days_remaining=-443 severity=critical sources=docs,litellm evidence_tier=documentation confirmed_by_endpoint=false documented_by_provider=docs replacement=gpt-4.1 corroborated=yes divergent_fields=none checked=2026-09-30 15:40Z

openai/gpt-4.5-preview

Vendor: openai. Tracked by 2 of 5 sources.

What each source reports

**endpoint** = the provider's own machine-readable API, the strongest evidence. **provider docs** = the provider's own documentation, read by a model — first-party content, inferred reading. Unlabelled rows are third-party catalogs. Where sources disagree both values are shown rather than silently reconciled.
Source	ID	Context	Max out	In $/Mtok	Out $/Mtok	Sunset
docs	gpt-4.5-preview	—	—	—	—	2025-07-14
litellm	azure/gpt-4.5-preview	128,000	16,384	$75	$150	2025-07-14

Change history

Severity	Change	What	Detected
low	added	new model gpt-4.5-preview	2026-09-25
info	deprecated	azure/gpt-4.5-preview: deprecation announced for 2025-07-14 (date already passed)	2026-09-25
info	deprecated	azure/gpt-4.5-preview: retires 2025-07-14 (438 days ago)	2026-09-25
medium	removed	[one catalog only — litellm still list it] gpt-4.5-preview is no longer listed by this source — calls to it are expected to fail	2026-09-24
info	deprecated	gpt-4.5-preview: deprecation announced for 2025-04-14 (date already passed)	2026-08-05
info	deprecated	gpt-4.5-preview: retires 2025-07-14 (383 days ago)	2026-08-01
low	added	new model gpt-4.5-preview	2026-08-01