Cracked AI Engineering

Grok Code Fast 1 vs Kimi K2 0905

Grok Code Fast 1 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Grok Code Fast 1

ZenMux

256K tokens context • $0.20 / $1.50 per 1M tokens

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Kimi K2 0905

ZenMux

262K tokens context • $0.60 / $2.50 per 1M tokens

View full specifications →

Detailed Comparison

Specification
Grok Code Fast 1
Kimi K2 0905
Provider
ZenMux
ZenMux
Context Window
256K tokens
262K tokens
Max Output Tokens
10K tokens
16K tokens
Input Pricing (per 1M tokens)
$0.20
$0.60
Output Pricing (per 1M tokens)
$1.50
$2.50
Release Date
Aug 2025
Sep 2025

Capabilities

Capability
Grok Code Fast 1
Kimi K2 0905
Text Generation
Function Calling
Advanced Reasoning

Which Model Should You Choose?

Choose Grok Code Fast 1 if:

  • • Cost efficiency is a priority
  • • You need advanced reasoning

Choose Kimi K2 0905 if:

  • • You need a larger context window