claude-haiku-4-5-20251001 retirement date and replacement

Name: claude-haiku-4-5-20251001 retires (Claude API)
Start: 2026-10-15
End: 2026-10-15

Claude API · Model · not sooner than Oct 15, 2026

Dates

Checked Nov 9, 2026 on Anthropic's page

Not sooner than	Oct 15, 2026 (not sooner than)The earliest date the vendor gives for a current model; the real date is announced later.
Replacement	None named
Model page	claude-haiku-4-5 on Models
What it is	claude-haiku-4-5-20251001 stopped answering on Claude API.
Source	platform.claude.com/docs/en/about-claude/model-deprecations

Claude APIModel

Stopped answering on Claude API.

not sooner thanSep 29

Claude APIModel

Stops answering on Claude API no sooner than Nov 24, 2026.

not sooner thanNov 24