Compare models
Prices, specs and price history side by side. Data as of 2026-07-31
| Spec | Claude Sonnet 4.5Anthropic | Claude Sonnet 5Anthropic |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context window | 1M | 1M |
| Max output | 64K | 128K |
| Modalities | text, image, file → text | text, image, file → text |
| Open source | No | No |
| License | - | - |
| Released | - | - |
| Status | active | active |
| Input$ / 1M | 3 | 2cheapest |
| Output$ / 1M | 15 | 10cheapest |
| Cached$ / 1M | 0.3 | 0.2cheapest |
| Channel | openrouter | openrouter |
Price history
Overlaid price history. Solid = verified by us, dashed = estimated (archive).
Claude Sonnet 4.5Claude Sonnet 5verified by usestimated (archive)