claude-sonnet-5 retirement date and replacement
Claude API · Model · not sooner than Jun 30, 2027
Dates
Checked Sep 25, 2026 on Anthropic's page| Not sooner than | Jun 30, 2027 (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-sonnet-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-opus-4-8Claude APIModel8mo or laterMay 28, 2027
- claude-fable-5Claude APIModel8mo or laterJun 9, 2027
- claude-mythos-5Claude APIModel8mo or laterJun 9, 2027
- claude-opus-5Claude APIModel10mo or laterJul 24, 2027