product · fact
Claude Sonnet 4.6 context window
As of November 4, 2026, Claude Sonnet 4.6's context window on the AsOf record is 1 M token context window (beta), dated February 17, 2026, from a primary source (anthropic.com). The record holds 1 claim on Claude Sonnet 4.6's context window, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 (beta)
Every dated value
| value | valid from | valid to | status | conf | sources | claim |
|---|---|---|---|---|---|---|
| 1M token context window (beta) | 2026-02-17 | valid | 1 source for context window 1M token context window (beta) | clm_0DE4E8CF1DA4 |
Questions this record answers
- What is Claude Sonnet 4.6's current context window?