Kimi K2 vs Claude 4.5 Sonnet

Detailed comparison of capabilities, features, and performance.

Kimi K2

Kimi K2

Moonshot
VS
Claude 4.5 Sonnet

Claude 4.5 Sonnet

Anthropic
Feature Kimi K2 Claude 4.5 Sonnet
AI Lab Moonshot Anthropic
Context Size 256,000 tokens 1,000,000 tokens
Max Output Size 16,384 tokens 64,000 tokens
Frontier Model No Yes
Vision Support No Yes
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. The latest Claude 4.5 Sonnet model from Anthropic with a 1M token context window.

Try both models in your workspace

Access both Kimi K2 and Claude 4.5 Sonnet in a single workspace without managing multiple API keys.

Create your workspace