Claude Opus 4.1

Text Generation
Anthropic · claude-opus-4-1-20250805

Previous Opus generation with deep reasoning and agentic workflows

Context Window

200,000

tokens

Max Output

8,192

tokens

Input Pricing

$15.00

per million tokens

Output Pricing

$75.00

per million tokens

Core Capabilities

Vision Support
Function Calling
Streaming

Additional Capabilities

Agentic

Deep reasoning for long-horizon agentic workflows

Function Calling

Tool use and function calling

Vision

Advanced image analysis and understanding

Benchmark Scores

Benchmark Score Ranking Date Scored Notes
LMSYS_Elo 1285.00 #2 August 10, 2025
MMLU 90.20 - August 05, 2025
SWE-bench_Verified 45.50 #4 August 05, 2025
TAU-bench_Airline 78.90 #1 August 05, 2025 Tool-use for airline booking tasks
Released: August 05, 2025