model · fact
Claude Haiku 5.5 context window
Claude Haiku 5.5 in its family's lineage →
As of November 7, 2026, Claude Haiku 5.5's context window on the AsOf record is 1 M token context window, dated October 7, 2026, from a primary source (platform.claude.com). The record holds 1 claim on Claude Haiku 5.5's context window, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.
- current context window
- 1 M token context window
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| 1M token context window | 2026-10-07 | valid | 1 source for context window 1M token context window | clm_85DCE698D303 |
Questions this record answers
- What is Claude Haiku 5.5's current context window?