Kimi K2.5 vs Claude 4.5 Sonnet (thinking)

Detailed comparison of capabilities, features, and performance.

Kimi K2.5

Kimi K2.5

Moonshot
VS
Claude 4.5 Sonnet (thinking)

Claude 4.5 Sonnet (thinking)

Anthropic
Feature Kimi K2.5 Claude 4.5 Sonnet (thinking)
AI Lab Moonshot Anthropic
Context Size 256,000 tokens 1,000,000 tokens
Max Output Size 32,768 tokens 64,000 tokens
Frontier Model No Yes
Vision Support Yes Yes
Description Kimi K2.5 is Moonshot AI's flagship agentic model and a new SOTA open model. It unifies vision and text, thinking and non-thinking modes, and single-agent and multi-agent execution into one model. Mixture-of-Experts with 1 trillion parameters. The latest Claude 4.5 Sonnet model from Anthropic with maximum reasoning enabled, 200k reasoning tokens in 1M context.

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