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Anthropic
Claude Sonnet 4.5
anthropic/claude-sonnet-4.5
Current Pricing
Calculate CostInput ($/1M)
$3.00
Output ($/1M)
$15.00
Cache Read ($/1M)
$0.3000
Cache Write ($/1M)
$3.75
Web Search ($/call)
$0.0100
Last updated: Jul 14, 2026 · Source: openrouter_api
Specifications
Context Window
1M
Max Output
64K
Release Date
Sep 29, 2025
Modalities
textimagefile
Function Calling
Streaming
Batch
Structured Output