Claude Opus 4.1

Model

by Anthropic

Vendor:Anthropic
Model Size:Unknown
pages.modelDetail.contextWindow:200,000 tokens
Max Output:32,000 tokens

Specifications

Model Size

Unknown

Total Context

200.0K

Max Output

32.0K

Pricing

Input $15/M

Output $75/M

Cache $1.5/M

Performance Benchmarks

components.product.benchmarks.sweBench

74.4%

Real-world software engineering tasks

components.product.benchmarks.terminalBench

63.1%

Command-line interface proficiency

components.product.benchmarks.mmmu

77.1%

Multimodal understanding

components.product.benchmarks.webDevArena

147.9%

Web development challenges

components.product.benchmarks.liveCodeBench

46.9%

Live coding performance

Claude Opus 4.1 - AI Coding Model | Specs & Pricing 2025 - AI Coding Stack