Claude · context_window200K tokens

valid_from

2023-11-21

valid_to

null (still holds)

confidence

0.70

superseded_by

null

first seen

2026-10-27

last updated

2026-10-28

Sources

• Introducing Claude 2.1primary · anthropic.com

Supersedes

• 100K tokens (up from 9K)2023-05-11 to 2023-11-21 · clm_D41773B677B0

/claim/clm_073FE2E065DF.md/v1/claims/clm_073FE2E065DFtimelinesubmit a correction