Is cohere-rerank-v4.0-fast deprecated?

Q: Is cohere-rerank-v4.0-fast deprecated?

Not yet, but retirement is scheduled. Sunset scheduled for 2027-09-13, reported by a third-party catalog. The identifier still resolves today.

RETIRING IN 317 DAYS

Sunset scheduled for 2027-09-13, reported by a third-party catalog. The identifier still resolves today.

state=dying sunset=2027-09-13 days_remaining=317 severity=high sources=litellm evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=single-source divergent_fields=none checked=2026-10-31 05:09Z

azure/cohere-rerank-v4.0-fast

Vendor: azure. 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	azure_ai/cohere-rerank-v4.0-fast	32,768	32,768	$0	$0	2027-09-13

Change history

Severity	Change	What	Detected
medium	deprecated	azure_ai/cohere-rerank-v4.0-fast: deprecation announced for 2027-09-13 — in 320 days	2026-10-28
medium	deprecated	azure_ai/cohere-rerank-v4.0-fast: retires 2027-09-13 (in 320 days)	2026-10-28