Price Per TokenPrice Per Token
Moonshotai
Moonshotai
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Xai
Xai

Kimi K2 0905 (exacto) vs Grok Code Fast 1

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Kimi K2 0905 (exacto) wins:

  • Larger context window
  • Higher intelligence benchmark
  • Better at coding
  • Better at math

Grok Code Fast 1 wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Faster response time
  • Has reasoning mode
Price Advantage
Grok Code Fast 1
Benchmark Advantage
Kimi K2 0905 (exacto)
Context Window
Kimi K2 0905 (exacto)
Speed
Grok Code Fast 1

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureKimi K2 0905 (exacto)Grok Code Fast 1
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyKimi K2 0905 (exacto)Grok Code Fast 1
LicenseOpen SourceProprietary
AuthorMoonshotaiXai
ReleasedSep 2025Aug 2025

Kimi K2 0905 (exacto) Modalities

Input
text
Output
text

Grok Code Fast 1 Modalities

Input
text
Output
text

Frequently Asked Questions

Grok Code Fast 1 has cheaper input pricing at $0.20/M tokens. Grok Code Fast 1 has cheaper output pricing at $1.50/M tokens.
Kimi K2 0905 (exacto) scores higher on coding benchmarks with a score of 25.9, compared to Grok Code Fast 1's score of 23.7.
Kimi K2 0905 (exacto) has a 262,144 token context window, while Grok Code Fast 1 has a 256,000 token context window.
Kimi K2 0905 (exacto) does not support vision. Grok Code Fast 1 does not support vision.