Claude Opus 4.5 (latest) API Pricing and Cost Calculator
Flagship Claude model for deep reasoning, coding, and long-horizon agents
- Input / 1M tokens
- $5.00
- Cached input / 1M tokens
- $0.500
- Output / 1M tokens
- $25.00
- Context window
- 200K
Flagship Claude model for deep reasoning, coding, and long-horizon agents