Claude Opus 4
Claude Opus 4 is a reasoning model created by Anthropic. It is served by Anthropic API.
Self-hostableNo
Reasoning TierExtended
Max Tokens200K in / 32K out
Training Cutoff2025-03
Release Date2025-05-22
Humanity's Last Exam53.1%
SWE-Bench Resolved79.2%
Claude Opus 4 Pricing
$0.00
Input: $0.00·Output: $0.00