Sunsetsby Glyphclaude-mythos-5-2 retirement date and replacement
Claude API · Model · not sooner than Nov 9, 2027Unverified
Dates
Checked Nov 10, 2026 on Anthropic's page| Not sooner than | Nov 9, 2027 (not sooner than)The earliest date the vendor gives for a current model; the real date is announced later. |
|---|---|
| Replacement | None named |
| What it is | claude-mythos-5-2 stops answering on Claude API no sooner than Nov 9, 2027. |
| Source | platform.claude.com/docs/en/about-claude/model-deprecations |
Changes
AnnouncedUnverified
Anthropic lists claude-mythos-5-2 on Claude API to retire no sooner than Nov 9, 2027.
Nov 10Source
Around the same time on Claude API
AnthropicClaude APIModelUnverified
claude-sonnet-5-5
Stops answering on Claude API no sooner than Sep 28, 2027.
not sooner thanSep 28, 2027
not sooner thanOct 7, 2027
not sooner thanNov 9, 2027