product · fact
Claude Mythos Preview deprecation
As of November 4, 2026, the AsOf record says Claude Mythos Preview was deprecated on June 9, 2026 (as claude-mythos-preview), from a primary source (platform.claude.com). The record holds 1 claim on Claude Mythos Preview's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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-mythos-preview
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| claude-mythos-preview | 2026-06-09 | valid | 1 source for deprecation claude-mythos-preview | clm_C2876AD1EB33 |
Questions this record answers
- When was Claude Mythos Preview deprecated?