Anthropic releases Claude Sonnet 5.5 for coding and professional tasks
Sonnet 5.5 updates Sonnet 5, with faster output and improved coding and office work at the same base API token prices.
CL1 English report
MODEL
Claude Sonnet 5.5
- Release date:
- 2026-09-28
- Parameters:
- Undisclosed
- Input/output:
- Text + Image → Text
- Interaction:
- Standard request
- Openness:
- Closed-source
- Organization:
- Anthropic
Official links | Chat | Code Plan | Agent tools | API |
|---|---|---|---|---|
| Global |
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