Model Overview
Anthropic · Active Model
- Long-Context
- API Available
- Production Ready
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
- Developer
- Anthropic
- Release Date
- June 30, 2026
- Context Window
- 1,000,000 tokens≈ 1,333 words
- API Access
- Publicly AvailableIntegrate via official API
- Input Cost
- $2.00per million tokens
- Output Cost
- $10.00per million tokens