Anthropic: Claude Sonnet 4.5
anthropic/claude-sonnet-4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Modalities
TextImageFile
In / out price
₩5,265 / ₩26,325
1M
Context
1M
Released
Sep 30, 2025
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩5,265 / 1M |
| Output (completion) | ₩26,325 / 1M |
| Cache read | ₩527 / 1M |
| Cache write | ₩6,581 / 1M |
1,000 input tokens plus 1,000 output tokens costs about ₩31.59.