isitdeprecated.com
collectors 1/5 ok (openrouter, litellm, gemini, anthropic) last sync state DEGRADED models 2,985 events 19,470

RETIRING IN 159 DAYS

Sunset scheduled for 2027-04-08, reported by a third-party catalog. The identifier still resolves today.

state=dying sunset=2027-04-08 days_remaining=159 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

amazon/gov.anthropic.claude-sonnet-4-5-20250929

Vendor: amazon. Tracked by 1 of 5 sources.

What each source reports

SourceIDContext Max outIn $/Mtok Out $/MtokSunset
litellmus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0200,00064,000$3.6$182027-04-08
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
mediumdeprecatedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: deprecation announced for 2027-04-08 — in 162 days2026-10-28
mediumdeprecatedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: retires 2027-04-08 (in 162 days)2026-10-28
lowmodifiedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: capabilities gained tool_search2026-08-12
lowmodifiedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: capabilities gained parallel_tool_use_config2026-07-02
lowrepricedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: input_price_per_mtok $3.30/Mtok to $3.60/Mtok2026-06-02
lowrepricedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: output_price_per_mtok $16.50/Mtok to $18.00/Mtok2026-06-02
lowrepricedus-gov.anthropic.claude-sonnet-4-5-20250929-v1:0: cache_read_price_per_mtok $0.33/Mtok to $0.36/Mtok2026-06-02