Kimi K2 vs o3-mini

Detailed comparison of capabilities, features, and performance.

Kimi K2

Kimi K2

Moonshot
VS
o3-mini

o3-mini

OpenAI
Feature Kimi K2 o3-mini
AI Lab Moonshot OpenAI
Context Size 256,000 tokens 200,000 tokens
Max Output Size 16,384 tokens 100,000 tokens
Frontier Model No Yes
Vision Support No No
Description Kimi K2 (0905) is a state-of-the-art mixture-of-experts (MoE) language model with 32 billion activated parameters and 1 trillion total parameters. Hosted in the USA. o3-mini is a fast cost-efficient reasoning model tailored to coding math and science use cases

Try both models in your workspace

Access both Kimi K2 and o3-mini in a single workspace without managing multiple API keys.

Create your workspace