Claude Sonnet 4 · retiredclaude-sonnet-4-20250514

validasserted

Valid from: 2026-06-15
Valid until: still holds
Published: no source on record carries a date
Recorded by AsOf: 2026-11-04
Checked: 2026-11-04 · its source page states the value and the date
Confidence: 0.95

Sources

“claude-sonnet-4-20250514 Retired April 14, 2026 June 15, 2026”— what the page says, read 2026-11-04

https://platform.claude.com/docs/en/about-claude/model-deprecationsprimary · platform.claude.com

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