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

GlobalUSD

Input $3.00 / 1M tokens

Output $15.00 / 1M tokens

Cache read $0.30 / 1M tokens

Performance Benchmarks

SWE-bench

70.6%

Real-world software engineering tasks

Terminal Bench

42.0%

Command-line interface proficiency

MMMU

77.8%

Multimodal understanding

LiveCodeBench

46.9%

Live coding performance