isitdeprecated.com
collectors 5/5 ok last sync state ok models 2,537 events 7,802

RETIRING IN 13 DAYS

Sunset scheduled for 2026-09-29, reported by a third-party catalog. The identifier still resolves today.

state=dying sunset=2026-09-29 days_remaining=13 severity=critical 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-sonnet-4-5

Vendor: anthropic. Tracked by 1 of 5 sources.

What each source reports

SourceIDContext Max outIn $/Mtok Out $/MtokSunset
litellmazure_ai/claude-sonnet-4-5200,00064,000$3$152026-09-29
 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.

Change history

SeverityChangeWhat Detected
highdeprecatedclaude-sonnet-4-5: deprecation announced for 2026-09-29 — in 39 days2026-08-21
highdeprecatedazure_ai/claude-sonnet-4-5: deprecation announced for 2026-10-19 — in 59 days2026-08-21
highdeprecatedvertex_ai/claude-sonnet-4-5: deprecation announced for 2026-09-29 — in 39 days2026-08-21
highdeprecatedvertex_ai/claude-sonnet-4-5@20250929: deprecation announced for 2026-09-29 — in 39 days2026-08-21
highdeprecatedclaude-sonnet-4-5: retires 2026-09-29 (in 39 days)2026-08-21
highdeprecatedvertex_ai/claude-sonnet-4-5: retires 2026-09-29 (in 39 days)2026-08-21
highdeprecatedvertex_ai/claude-sonnet-4-5@20250929: retires 2026-09-29 (in 39 days)2026-08-21
highdeprecatedazure_ai/claude-sonnet-4-5: retires 2026-10-19 (in 59 days)2026-08-21
lowmodifiedclaude-sonnet-4-5: capabilities gained native_structured_output2026-07-14
lowaddednew model snowflake/claude-sonnet-4-5 (200,000 ctx)2026-06-04