Is claude-opus-4-8@default deprecated?

Q: Is claude-opus-4-8@default deprecated?

Not yet, but retirement is scheduled. Sunset scheduled for 2027-05-28, reported by a third-party catalog. The identifier still resolves today.

RETIRING IN 254 DAYS

Sunset scheduled for 2027-05-28, reported by a third-party catalog. The identifier still resolves today.

state=dying sunset=2027-05-28 days_remaining=254 severity=high sources=litellm evidence_tier=catalog confirmed_by_endpoint=false documented_by_provider=false replacement=none corroborated=single-source divergent_fields=none checked=2026-09-16 03:02Z

anthropic/claude-opus-4-8@default

Vendor: anthropic. 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	vertex_ai/claude-opus-4-8@default	1,000,000	128,000	$5	$25	2027-05-28

Change history

Severity	Change	What	Detected
medium	deprecated	vertex_ai/claude-opus-4-8@default: deprecation announced for 2027-05-28 — in 280 days	2026-08-21
medium	deprecated	vertex_ai/claude-opus-4-8@default: retires 2027-05-28 (in 280 days)	2026-08-21
low	modified	vertex_ai/claude-opus-4-8@default: capabilities gained mid_conversation_system	2026-07-20
info	modified	[source artifact — 3 providers changed identically on the same day] vertex_ai/claude-opus-4-8@default: capabilities gained adaptive_thinking	2026-06-05
low	added	new model vertex_ai/claude-opus-4-8@default (1,000,000 ctx)	2026-05-29