AsOf

Claude Sonnet 4.6 · context window1M token context window (beta)

validasserted
Valid from
2026-02-17
Valid until
still holds
Published
2026-02-17
Recorded by AsOf
2026-11-04
Checked
2026-11-04 · its source page states the value and the date
Confidence
0.95

Sources

“Sonnet 4.6 also features a 1M token context window in beta.”— what the page says, read 2026-11-04