Claude Opus 4.1
Anthropic’s largest flagship model.
139
Epoch Capabilities Index
RANK:
ECI is a composite metric based on over 42 benchmarks. Learn more.
Search epoch.ai
Anthropic’s largest flagship model.
Have a question? Noticed something wrong? Let us know.
If you would like a reply, please include your name and email address.
Your comment will be reviewed. We may not be able to respond to every submission.
There’s been an error in submitting your feedback. Please try again later.