DeepSeek R1 vs MoonshotAI: Kimi K2 0905
Compare DeepSeek R1 by DeepSeek against MoonshotAI: Kimi K2 0905 by Moonshot AI, context windows of 128K vs 262K, tested across 54 shared challenges. Updated April 2026.
Which is better, DeepSeek R1 or MoonshotAI: Kimi K2 0905?
DeepSeek R1 and MoonshotAI: Kimi K2 0905 are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $0.6/M for MoonshotAI: Kimi K2 0905. Context windows: 128K vs 262K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek R1 and MoonshotAI: Kimi K2 0905
DeepSeek R1 is made by deepseek while MoonshotAI: Kimi K2 0905 is from moonshotai. DeepSeek R1 has a 128K token context window compared to MoonshotAI: Kimi K2 0905's 262K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $0.6/M for MoonshotAI: Kimi K2 0905.
No community votes yet. On paper, MoonshotAI: Kimi K2 0905 has the edge — bigger model tier, newer, bigger context window.
Style Comparison
DeepSeek R1 uses 4.9x more transitions
vs
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
The right persona beats the bigger model. Sometimes.
52 system prompts. 156 generations. One small model, on purpose.
+1.49
composite-score lift from empty prompt to best persona
52
personas
156
responses
3
blind judges
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
