Is grok-3-mini-fast deprecated?

Q: Is grok-3-mini-fast deprecated?

No — still supported. Listed by litellm. No retirement date announced. Neither the provider's API nor its documentation has been checked for this model.

NOT DEPRECATED

Listed by litellm. No retirement date announced. Neither the provider's API nor its documentation has been checked for this model.

state=alive sunset=none days_remaining=n/a severity=low sources=litellm evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=single-source divergent_fields=none checked=2026-09-30 15:40Z

xai/grok-3-mini-fast

Vendor: xai. Tracked by 1 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
litellm	vercel_ai_gateway/xai/grok-3-mini-fast	131,072	131,072	$0.6	$4	—

Change history

Severity	Change	What	Detected
medium	removed	[one catalog only — litellm still list it] xai/grok-3-mini-fast is no longer listed by this source — calls to it are expected to fail	2026-09-23
medium	repriced	xai/grok-3-mini-fast: input_price_per_mtok $0.60/Mtok to $1.25/Mtok	2026-08-30
medium	repriced	xai/grok-3-mini-fast: cache_read_price_per_mtok $0.15/Mtok to $0.20/Mtok	2026-08-30
info	deprecated	xai/grok-3-mini-fast: deprecation announced for 2026-02-28 (date already passed)	2026-08-30
info	repriced	xai/grok-3-mini-fast: output_price_per_mtok $4.00/Mtok to $2.50/Mtok	2026-08-30
info	deprecated	xai/grok-3-mini-fast: retires 2026-02-28 (183 days ago)	2026-08-30