Anthropic · announcementModel deprecation update for Claude Opus 3

valid_from

2026-02-25

valid_to

null (still holds)

confidence

0.50

superseded_by

null

first seen

2026-10-27

last updated

2026-10-28

Sources

• Model deprecation update for Claude Opus 3primary · anthropic.com

/claim/clm_861468EC23D6.md/v1/claims/clm_861468EC23D6timelinesubmit a correction