Anthropic's Claude Opus 4.5 language model release.
Pricing
Official site · Jun 17, 2026, 10:08 AM
Input / 1M
$15.00
Output / 1M
$75.00
Cached input / 1M
$1.50
Anthropic also publishes prompt-caching pricing separately; only the base token rates and the cached-input rate are recorded here.
Anthropic's official public pricing for Claude Opus 4.5 is listed on its pricing/docs pages as a text model priced at USD 15 per 1M input tokens and USD 75 per 1M output tokens. The model is treated here as text-only per the request.
Model Intelligence
Arena ranking
29
Benchmarkable
Yes
Model level
release
Intelligence Index
29.3
Math Index
37
MMLU Pro
0.86
GPQA
0.73
HLE
0.07
LiveCodeBench
0.59
SciCode
0.43
AIME 2025
0.37
IFBench
0.43
LCR
0.51
TerminalBench Hard
0.29
TAU2
0.7
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