SFAI / MODEL PROFILE
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...
- Developer
- anthropic
- Input modalities
- text, image, file
- Output modalities
- text
- Context tokens
- 1,000,000
- Latest price observation
- 2026-09-28
- Lowest paired standard token quote
- $3.00 input / $15.00 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Automatic routingopenrouter | $3.00 | $15.00 | 1M tokenspriced · USD | openrouter2026-09-28 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.