Anthropic language-model release in the Claude 4 generation, positioned for advanced reasoning, coding, and agentic work.
Pricing
Official site · Sep 24, 2026, 1:09 PM
Input / 1M
$15.00
Output / 1M
$75.00
Cached input / 1M
$1.50
Official table lists 5-minute cache writes at $18.75/MTok, 1-hour cache writes at $30/MTok, and cache hits and refreshes at $1.50/MTok. Availability is marked retired except on Google Cloud.
Anthropic's official pricing page currently lists Claude Opus 4 as retired except on Google Cloud, with base pricing of $15 per million input tokens and $75 per million output tokens.
Model Intelligence
Context window
200,000 tokens
Arena ranking
17
Benchmarkable
Yes
Model level
release
Intelligence Index
16.6
Math Index
36.3
MMLU Pro
0.86
GPQA
0.7
HLE
0.06
LiveCodeBench
0.54
MATH-500
0.94
AIME
0.56
AIME 2025
0.36
IFBench
0.43
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