AnthropicGA
Claude Sonnet 5.5
Context
1M
Max output
128K
Input /1M
$2.00
Output /1M
$10.00
Capabilities
- Text and image input; text output
- 1M-token context and 128K maximum output
- Adaptive thinking; default effort is high
- Cache reads cost $0.10 per million tokens (0.05x base input) from 7 October 2026; the launch rate was $0.20