Claude Sonnet 4.6
Anthropic · Multimodal model · Registered 2026-02-05
IDENTITY
Confirmed by
Official Anthropic announcement
First registered
2026-02-05 (official announcement)
Developer confirmed
2026-02-05
PROVENANCE
Claimed developer
Anthropic
Confirmed developer
Anthropic
Delta
0 days · match confirmed
EU COMPLIANCE
AI Act
registered — Anthropic signed full EU Code of Practice
PASSPORT FIELDS
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200k tokens
PROVENANCE TIMELINE
2026-02-05
Claude Sonnet 4.6 released alongside Claude Opus 4.6
2023-04-01
First recorded in AI news