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

RETIRING IN 102 DAYS

Sunset scheduled for 2027-02-10, published in the provider's own documentation. The identifier still resolves today.

state=dying sunset=2027-02-10 days_remaining=102 severity=high sources=anthropic,docs,litellm evidence_tier=endpoint confirmed_by_endpoint=anthropic documented_by_provider=docs replacement=none corroborated=yes divergent_fields=none checked=2026-10-31 05:09Z

anthropic/claude-sonnet-4-6

Vendor: anthropic. Tracked by 3 of 5 sources.

What each source reports

SourceIDContext Max outIn $/Mtok Out $/MtokSunset
anthropic nativeclaude-sonnet-4-61,000,000128,000———
docsclaude-sonnet-4-6————2027-02-17
litellmazure_ai/claude-sonnet-4-61,000,000128,000$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 kyma/claude-sonnet-4-6 (1,000,000 ctx)2026-10-29
lowaddednew model bedrock/claude_platform/claude-sonnet-4-6 (1,000,000 ctx)2026-10-24
lowaddednew model claude-sonnet-4-62026-10-21
infomodified[source artifact — 7 providers changed identically on the same day] claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] azure_ai/claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] apac.anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] au.anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] eu.anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] global.anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] jp.anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] us.anthropic.claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
infomodified[source artifact — 7 providers changed identically on the same day] vertex_ai/claude-sonnet-4-6: capabilities lost assistant_prefill2026-10-16
lowmodifiedclaude-sonnet-4-6: capabilities gained web_search2026-10-08
lowmodifiedclaude-sonnet-4-6: capabilities gained server_tools2026-10-06
lowmodifiedazure_ai/claude-sonnet-4-6: max_output_tokens raised 64,000 to 128,0002026-09-28
inforepricedanthropic.claude-sonnet-4-6: input_price_per_mtok $3.30/Mtok to $3.00/Mtok2026-09-24
inforepricedanthropic.claude-sonnet-4-6: output_price_per_mtok $16.50/Mtok to $15.00/Mtok2026-09-24
inforepricedanthropic.claude-sonnet-4-6: cache_read_price_per_mtok $0.33/Mtok to $0.30/Mtok2026-09-24
lowrepricedanthropic.claude-sonnet-4-6: input_price_per_mtok $3.00/Mtok to $3.30/Mtok2026-09-24
lowrepricedanthropic.claude-sonnet-4-6: output_price_per_mtok $15.00/Mtok to $16.50/Mtok2026-09-24
lowrepricedanthropic.claude-sonnet-4-6: cache_read_price_per_mtok $0.30/Mtok to $0.33/Mtok2026-09-24
lowaddednew model apac.anthropic.claude-sonnet-4-6 (1,000,000 ctx)2026-09-24
lowmodifiedclaude-sonnet-4-6: capabilities gained anthropic_compaction2026-09-22
lowmodifiedclaude-sonnet-4-6: capabilities gained thinking_cache_preservation2026-09-20
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