Anthropic releases Claude 4 Sonnet
The mid-size member of the Claude 4 family, striking a better balance between response speed and reasoning.
CL1 English report
MODEL
Claude 4 Sonnet
- Release date:
- 2025-05-22
- Parameters:
- Unknown
- Architecture:
- Autoregressive Transformer
- Legacy modality:
- Text
- Openness:
- Closed-source
- Organization:
- Anthropic
Official links | Chat | Code Plan | Agent tools | API |
|---|---|---|---|---|
| Global |
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