Claude 4 Opus

Closed

Claude 4 Opus is an AI model from Anthropic.

Publisher: Anthropic
Family: Claude
Context: 200K
Input
Output
License: proprietary
Released: 22 May 2025

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Attribution

Benchmark scores: AA SWE-bench prime-hub Vals AI

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Context

200K

Input

$15

/1M tok

Output

$75

/1M tok

Blended

$30

#453/ 458/1M · 3:1

Speed

0

#239/ 458tok/s

Price & speed via Artificial Analysis · ranked across tracked models

Reported on 15 evals across 9 domains - best 94.1% on MATH-500 · #32 of 178

Reported eval scores

15

Humanity's Last Exam (HLE)5.9

SWE-bench Verified73.2

LiveCodeBench54.2

AIME 2024: Problems from the American Invitational Mathematics Examination56.3

GPQA Diamond70.1

Terminal-Bench (Hard)31.1

τ²-bench (Tau²-bench)73.4

MortgageTax58.6

AIME 2025: Problems from the American Invitational Mathematics Examination36.3

Medqa Followup0