by Moonshot AI

MoonshotAI: Kimi K3.

multimodal open weights datacenter 2780B params 1M ctx
Cheapest input
$0.192/M
on OpenRouter
Cheapest output
$14.25/M
on DeepInfra
Smallest GPU
8× AMD MI325
$25.36/hr
Description

About MoonshotAI: Kimi K3.

Kimi K3 is an open-weight multimodal agentic model from Moonshot AI with 2.8 trillion parameters in total and 104 billion active, using a mixture-of-experts design that routes each token to 16 of 896 experts. It understands text, images and video and has a 1-million-token context window. Moonshot aims it at long coding sessions, research and knowledge work. Weights are released under the Kimi K3 licence, not a standard open-source one.

Context window

How much it can remember.

1M tokens ≈ 786,432 English words
4K 32K 128K 1M
Capabilities

What it can do.

· Vision input
· Audio input
· Video input
· Function calling
· Tool use
· JSON mode
✓ Streaming
· Fine-tuning