product · fact
Claude Sonnet 5.5 predecessor
As of November 4, 2026, Claude Sonnet 5.5's predecessor on the AsOf record is Claude Sonnet 5, dated September 28, 2026, from a primary source (anthropic.com). The record holds 1 claim on Claude Sonnet 5.5's predecessor, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.
- current predecessor
- Claude Sonnet 5
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| Claude Sonnet 5 | 2026-09-28 | valid | 1 source for predecessor Claude Sonnet 5 | clm_BEF063B946C7 |
Questions this record answers
- What is Claude Sonnet 5.5's current predecessor?