Developed by Anthropic, Claude Sonnet 4.5 is a premier large language model that excels in multi-step reasoning, complex coding, computer use, and specialized domains such as finance.
| Option / usage | Provider list price | Our reference price |
|---|---|---|
| Standard · Input | $3 | $1.26 |
| Standard · Output | $15 | $6.3 |
| Standard · Cache read | $0.3 | $0.126 |
| Standard · Cache write (5m) | $3.75 | $1.575 |
| Standard · Cache write (1h) | $6 | $2.52 |
Global standard API
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Provider pricing source · 2026-10-03