product · fact
Claude Sonnet 4 retirement
As of November 4, 2026, the AsOf record says Claude Sonnet 4 was retired on June 15, 2026 (as claude-sonnet-4-20250514), from a primary source (platform.claude.com). The record holds 1 claim on Claude Sonnet 4's retirement, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.
- current retirement
- claude-sonnet-4-20250514
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| claude-sonnet-4-20250514 | 2026-06-15 | valid | 1 source for retirement claude-sonnet-4-20250514 | clm_A77C1EA3626C |
Questions this record answers
- When was Claude Sonnet 4 retired?