Anthropic · announcementIntroducing Claude 3.5 Sonnet

valid_from

2024-06-21

valid_to

null (still holds)

confidence

0.50

superseded_by

null

first seen

2026-10-27

last updated

2026-10-28

Sources

• Introducing Claude 3.5 Sonnetprimary · anthropic.com

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