Pricing, context window and lifecycle for anthropic/claude-sonnet-4.5, tracked from what the vendor publishes.
| Input | $3.00 |
| Output | $15.00 |
| Cache read | $0.300 |
| Cache write | $3.75 |
| Model ID | anthropic/claude-sonnet-4.5 |
| Vendor | Anthropic |
| Context window | 1,000,000 tokens |
| Knowledge cutoff | 2025-01-31 |
| End of life | none published |
include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p