Anthropic releases Claude Sonnet 4.5
Anthropic released Claude Sonnet 4.5 with gains in coding, complex agents, computer use, reasoning, and math.
CL1 English report
MODEL
Claude Sonnet 4.5
- Release date:
- 2025-09-29
- Parameters:
- Unknown
- Architecture:
- Autoregressive Transformer
- Legacy modality:
- Text
- Openness:
- Closed-source
Related English reports
English reports linked to this entity will appear here as their translations are published.
AI-generated · reviewedImpact 58/100