Claude Sonnet 4.5

Model

by Anthropic

Vendor:Anthropic
Model Size:Unknown
Context Window:200,000 tokens
Max Output:64,000 tokens

Specifications

Model Size

Unknown

Total Context

200.0K

Max Output

64.0K

Pricing

Input $3/M

Output $15/M

Cache $0.3/M

Performance Benchmarks

components.product.sweBench

70.6%

components.product.sweBenchDesc

components.product.terminalBench

42.0%

components.product.terminalBenchDesc

components.product.mmmu

77.8%

components.product.mmmuDesc

components.product.liveCodeBench

46.9%

components.product.liveCodeBenchDesc

Claude Sonnet 4.5 - AI Coding Model | Specs & Pricing 2025 - AI Coding Stack