// PASSPORT
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Claude 1.0
Anthropic · Language model · Registered 2023-03-14
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
2023-03-14 (official_announcement)
Developer confirmed
2026-06-27
Gate
PROVENANCE COMPLETE
Status
Withdrawn
PROVENANCE
Claimed developer
Anthropic
Confirmed developer
Anthropic
Delta
1201 days · match confirmed
EU COMPLIANCE
AI Act
GPAI ⓘ
PASSPORT FIELDS
Model type
Language
Parameters
Undisclosed
Context window
Unknown
Open source
No
Weights available
No
License
—
Recommended replacement
→ Claude Haiku 4.5 Anthropic's declared migration target (model deprecations).
PROVENANCE TIMELINE
2024-09-04
Deprecated