The Claude Sonnet 5 API is an agentic, multimodal interface delivering near-Opus performance with native computer use and self-verification capabilities. It features granular "Effort Levels," allowing engineering teams to precisely balance API deployment costs against task reasoning complexity.
| Option / channel | Input | Output |
|---|---|---|
| Official | $2 | $10 |
| Cloud vendor | $0.84 | $4.2 |
