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

RETIRING IN 147 DAYS

Sunset scheduled for 2027-02-10, reported by a third-party catalog. The identifier still resolves today. Sources disagree on: max_output_tokens.

state=dying sunset=2027-02-10 days_remaining=147 severity=high sources=anthropic,litellm evidence_tier=endpoint confirmed_by_endpoint=anthropic documented_by_provider=false replacement=none corroborated=yes divergent_fields=max_output_tokens checked=2026-09-16 03:02Z

anthropic/claude-sonnet-4-6

Vendor: anthropic. Tracked by 2 of 5 sources.

What each source reports

SourceIDContext Max outIn $/Mtok Out $/MtokSunset
anthropic nativeclaude-sonnet-4-61,000,000128,000———
litellmazure_ai/claude-sonnet-4-61,000,00064,000$3$152027-02-10
 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
lowaddednew model deepinfra/anthropic/claude-sonnet-4-6 (1,000,000 ctx)2026-08-28
infomodified[source artifact — 9 providers changed identically on the same day] claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] azure_ai/claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] anthropic.claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] au.anthropic.claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] eu.anthropic.claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] global.anthropic.claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] jp.anthropic.claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] us.anthropic.claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] snowflake/claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
infomodified[source artifact — 9 providers changed identically on the same day] vertex_ai/claude-sonnet-4-6: capabilities gained legacy_thinking2026-08-26
mediumdeprecatedclaude-sonnet-4-6: deprecation announced for 2027-02-17 — in 180 days2026-08-21
mediumdeprecatedazure_ai/claude-sonnet-4-6: deprecation announced for 2027-02-10 — in 173 days2026-08-21
lowmodifiedclaude-sonnet-4-6: max_output_tokens raised 64,000 to 128,0002026-08-21
mediumdeprecatedazure_ai/claude-sonnet-4-6: retires 2027-02-10 (in 173 days)2026-08-21
mediumdeprecatedclaude-sonnet-4-6: retires 2027-02-17 (in 180 days)2026-08-21
lowmodifiedanthropic.claude-sonnet-4-6: capabilities gained tool_search2026-08-12
lowmodifiedau.anthropic.claude-sonnet-4-6: capabilities gained tool_search2026-08-12
lowmodifiedeu.anthropic.claude-sonnet-4-6: capabilities gained tool_search2026-08-12
lowmodifiedglobal.anthropic.claude-sonnet-4-6: capabilities gained tool_search2026-08-12
lowmodifiedjp.anthropic.claude-sonnet-4-6: capabilities gained tool_search2026-08-12
lowmodifiedus.anthropic.claude-sonnet-4-6: capabilities gained tool_search2026-08-12
lowmodifiedclaude-sonnet-4-6: capabilities gained native_structured_output2026-07-14
lowmodifiedanthropic.claude-sonnet-4-6: capabilities gained parallel_tool_use_config2026-07-02
lowmodifiedau.anthropic.claude-sonnet-4-6: capabilities gained parallel_tool_use_config2026-07-02
lowmodifiedeu.anthropic.claude-sonnet-4-6: capabilities gained parallel_tool_use_config2026-07-02
lowmodifiedglobal.anthropic.claude-sonnet-4-6: capabilities gained parallel_tool_use_config2026-07-02
lowmodifiedjp.anthropic.claude-sonnet-4-6: capabilities gained parallel_tool_use_config2026-07-02
lowmodifiedus.anthropic.claude-sonnet-4-6: capabilities gained parallel_tool_use_config2026-07-02
lowmodifiedsnowflake/claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-28
infomodified[source artifact — 7 providers changed identically on the same day] azure_ai/claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] anthropic.claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] au.anthropic.claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] eu.anthropic.claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] global.anthropic.claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] jp.anthropic.claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] us.anthropic.claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
infomodified[source artifact — 7 providers changed identically on the same day] vertex_ai/claude-sonnet-4-6: capabilities gained adaptive_thinking2026-06-27
lowaddednew model snowflake/claude-sonnet-4-6 (200,000 ctx)2026-06-04
infomodified[source artifact — 5 providers changed identically on the same day] claude-sonnet-4-6: capabilities lost minimal_reasoning_effort2026-05-29