product · fact
Claude Opus 4.1 deprecation
As of November 4, 2026, the AsOf record says Claude Opus 4.1 was deprecated on June 5, 2026 (as claude-opus-4-1-20250805), from a primary source (platform.claude.com). The record holds 1 claim on Claude Opus 4.1's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.
- current deprecation
- claude-opus-4-1-20250805
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| claude-opus-4-1-20250805 | 2026-06-05 | valid | 1 source for deprecation claude-opus-4-1-20250805 | clm_C4A9E812D526 |
Questions this record answers
- When was Claude Opus 4.1 deprecated?