Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents
Specification
most-agreed values
Context
1M
Max output
128K
Released
2026-05-28
Knowledge cutoff
2026-01
Retires
—
Open weights
no
Input
text, image, pdf
Output
text
Price
US dollars per million tokens · most-agreed
Input
$10.00
Output
$50.00
Cache read
$1.00
Cache write
$12.50
Available from 2 hosts
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