AI Disruption

AI Disruption

Kimi K3.1 Pro Released

Kimi K3.1 Pro is here: a 3-trillion-parameter flagship with a 1M context window, top open-source scores, and strong 3D, coding, and finance performance.

Meng Li's avatar
Meng Li
Oct 25, 2026
∙ Paid

Just Now, Kimi Officially Releases Its New Flagship Model, K3.1 Pro

At a time when large models are racing on speed and price, Kimi has brought the competition back to the performance ceiling.

A couple of days ago, a mystery model called Kibitz on the model arena had already drawn attention. Social media feeds were full of striking examples generated with it. The famous pelican riding a bicycle has evolved from a one-line prompt into riding through different environments, with an adjustable pedaling cadence. Many netizens felt the results were comparable to frontier closed-source models like GPT-6 Astra and Opus.

Image

Now Kibitz’s true identity has been revealed: it is Kimi K3.1 Pro. Its blind-test results on the arena were published at the same time.

User's avatar

Continue reading this post for free, courtesy of Meng Li.

Or purchase a paid subscription.
© 2026 Meng Li · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture