Anthropic: Claude Opus 4.1

Anthropic: Claude Opus 4.1

anthropic · Released Aug 5, 2025 Professional
Intelligence #33 / 556
76.9 Our Score
Speed #232 / 257
37.1 tokens / sec
Input #543 / 557
$15.00 per 1M tokens
Output #547 / 557
$75.00 per 1M tokens
Context #183 / 557
200,000 tokens

Analysis Summary

Anthropic: Claude Opus 4.1 sits in the Professional tier on our leaderboard, ranked #33 of 556 published models on overall intelligence. At $15.00 input and $75.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.

Editorial notes

Claude Opus 4.1 from Anthropic combines strong reasoning, vision, tool use, and excellent instruction-following with a 200K context window, though premium pricing limits its value score for cost-sensitive deployments.

Assessed May 14, 2026

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence7.3Technical6.8Value5Content8
Intelligence 7.3/10
Technical 6.8/10
Content 8/10
Value 5/10

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains..

Capabilities

Tool Use Function Calling Vision

Performance Indices

Source: Artificial Analysis

42 Intelligence Index
36.5 Coding Index
52.9 Agentic Index
80.3 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 80.9% Graduate-level scientific reasoning
HLE 11.9% Humanity's Last Exam
MMLU Pro 88% Multi-task language understanding
AIME 2025 80.3% Competition mathematics (2025)
SciCode 40.9% Scientific computing

Technical

LiveCodeBench 65.4% Live coding evaluation
TerminalBench Hard 34.3% Agentic terminal tasks
τ²-Bench 71.4% Conversational agent benchmark

Content

IFBench 55.4% Instruction following
LCR 66.3% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Anthropic: Claude Opus 4.1 stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID anthropic/claude-opus-4.1
Provideranthropic
Release Date August 5, 2025
Context Length200,000 tokens
Max Completion32,000 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $15.00 $0.015000
Output $75.00 $0.075000

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

1,714ms
Best Latency (TTFT)
17 tok/s
Best Throughput
0/4
Active Endpoints
Available via: Google, Anthropic, Amazon Bedrock

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