A Claude model release from Anthropic in the Opus tier of the Claude 4 generation, intended for advanced language tasks.
Pricing
Official site · May 9, 2026, 1:07 PM
Input / 1M
$15.00
Output / 1M
$75.00
Cached input / 1M
$18.75
Prompt caching is priced separately in the official docs: 5-minute cache writes are $18.75/MTok, 1-hour cache writes are $30/MTok, and cache hits are $1.50/MTok.
Anthropic's official public docs list the model as Claude Opus 4 (not '4.0'). The first-party pricing table gives Opus 4 pricing at $15 per million input tokens and $75 per million output tokens; the launch post confirms the same pricing for Claude Opus 4.
Model Intelligence
Arena ranking
18
Benchmarkable
Yes
Model level
release
Intelligence Index
18
Coding Index
19.5
MMLU Pro
0.7
GPQA
0.49
HLE
0.03
LiveCodeBench
0.28
SciCode
0.23
MATH-500
0.64
AIME
0.03
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