Anthropic
HighVerified
Model lifecycle · Not announced
claude-mythos-preview marked deprecated
Anthropic's model status page marks claude-mythos-preview as deprecated and points developers to claude-mythos-5.
Public preview · Automatic monitoring and email alerts are not enabled
Build snapshot for UTC 2026-09-03, not live metrics. JavaScript recalculates date states for the current UTC day; sources are not reverified.
API platform & regional scope
Anthropic Claude API · Direct developer platform; eligibility and regional restrictions are account-specific.
Not AWS Bedrock or Vertex AI.
Bounded manual catalog. Original event checks retained from 2026-09-01; not reverified in this expansion.
Unconfirmed regions are not assumed to be global. Automatic monitoring is OFF. Source checks
Anthropic
Anthropic API change watch
Claude API model retirement schedules, request parameter changes and migration guidance.
Tracked events2Normalized records
Upcoming0With stated dates
Upcoming critical0Shutdown risk
Verification date rangeSep 1, 2026 (UTC)Public docs · not build date
Timeline
Anthropic events
Initial coverage is intentionally narrow and source-verified. It is not a complete archive.
No deadline statedNot announced
Anthropic
HighVerified
Request parameters · Not announced
Sampling parameters deprecated on Claude Opus 4.7 and later
Anthropic documents the following behavior on the affected models: Omit parameters; non-default values return HTTP 400.