// PASSPORT
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Claude Sonnet 3
Anthropic · Multimodal model · Registered 2024-02-29
IDENTITY
Developer
Anthropic
Confirmed by
Confirmed first-party from Anthropic's model deprecations (platform.claude.com/docs/en/about-claude/model-deprecations) and release notes, 27 June 2026.
First registered
2024-02-29 (official_announcement)
Developer confirmed
2026-06-27
Gate
PROVENANCE COMPLETE
Status
Withdrawn
PROVENANCE
Claimed developer
Anthropic
Confirmed developer
Anthropic
Delta
849 days · match confirmed
EU COMPLIANCE
AI Act
GPAI
PASSPORT FIELDS
Model type
Multimodal
Parameters
Undisclosed
Context window
Unknown
Open source
No
Weights available
No
License
Superseded by
PROVENANCE TIMELINE
2025-01-21
Deprecated