model
Anthropic Claude 2 and Sonnet 3 models
Anthropic’s model lifecycle documentation records the retirement of Claude 2, Claude 2.1, and Claude Sonnet 3 models with replacement guidance.
Current state
Anthropic Claude 2 and Sonnet 3 models
Claude 2, Claude 2.1, and Claude Sonnet 3 models were retired on Anthropic-operated platforms according to Anthropic’s model deprecations documentation.
Last known URL: https://platform.claude.com/docs/en/about-claude/model-deprecations
Key facts
- Operator
- Anthropic
- Status
- model discontinued
- Entity type
- model
- Country
- United States
- Launched
- 2023
- Ended / changed
- 2025-07-21
- URL status
- live verified
- Last reviewed
- 2026-06-08
Timeline
Dated lifecycle events
- 2025-07-21Claude 2 and Sonnet 3 models retiredmodel_retired
Anthropic’s deprecation history states that Claude 2, Claude 2.1, and Claude Sonnet 3 models were retired on July 21, 2025.
Evidence
Source links supporting this record
Anthropic · official_docs · Accessed 2026-06-08
Supports: model_retired, current_state, replacement_guidance
Related records
Correction path
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