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Anthropic
Claude Sonnet 4.5
Balanced
Pricing
Input / 1M tokens$3.00
Output / 1M tokens$15.00
Batch in / out$1.50 / $7.50· 50% off
Cache read$0.300· 90% off
Cache write$3.75
Specs
Context window1M
Max output64K
Speed tier
Knowledge cutoffJul 2025
Free tierNo
Hosted byFirst-party
API ID
claude-sonnet-4-5-20251022Capabilities
Verified2026-04-21
Source Anthropic pricing
Coding-focused, 1M ctx
Price history
No changes recorded yet. We start tracking from the moment a model lands in the catalog.