Moonshot's biggest open model is a fair pick for long coding and research work, though by its own tests it trails the best closed models.

Kenning's take

What it does

Kimi K3 is Moonshot AI's largest model, with 2.8 trillion parameters, a 1 million token context window, and native understanding of text, images and video. Moonshot pitches it at long coding sessions, visual coding and research reports, and admits it still trails the strongest closed models on its own tests. It runs on Kimi.com, the Kimi apps, Kimi Work and Kimi Code, on the API, and as weights on Hugging Face under the Kimi K3 License.

• 2.8 trillion parameters, 16 of 896 experts active
• 1 million token context
• Native text, image and video understanding
• Long-horizon coding and visual coding
• Powers Kimi Work from version 3.1.0

Who it suits. Developers and knowledge workers who want a frontier-scale open model for coding and research.

Key facts

Category

AI models

Part of

Kimi

Made by

Moonshot AI

Based in

China

Released

16 July 2026

How to get it

on Kimi.com, the Kimi mobile apps, Kimi Work and Kimi Code, through the Kimi API (kimi-k3), and as open weights on Hugging Face

Works on

Web, iOS, Android, Windows, macOS, API, self-hosted

API price

$3 per million input tokens ($0.30 cached), $15 per million output

Pricing

Plan	Price	Billed
Andante	49 CNY	month
Moderato	99 CNY	month
Allegretto	199 CNY	month
Allegro	699 CNY	month

source

Reviews and write-ups

• Let's Data Science 2026-07-20

FAQ

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.