claude-opus-4-5-20251101 retirement date and replacement
Claude API · Model · not sooner than Nov 24, 2026
Dates
Checked Sep 25, 2026 on Anthropic's page| Not sooner than | Nov 24, 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 | models.fru.dev/models/claude-opus-4-5 |
| Notice | Tentative: not sooner than this date |
| Source | platform.claude.com/docs/en/about-claude/model-deprecations |
Around the same time on Claude API
Anthropic- claude-haiku-4-5-20251001Claude APIModel20d or laterOct 15