Cracked AI Engineering

KAT-Coder-Pro-V1 vs Grok 4 Fast None Reasoning

Grok 4 Fast None Reasoning offers 2.0M tokens context vs 256K tokens, KAT-Coder-Pro-V1 includes advanced reasoning, Grok 4 Fast None Reasoning supports vision. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

KAT-Coder-Pro-V1

ZenMux

256K tokens context • $0.60 / $2.40 per 1M tokens

View full specifications →

Grok 4 Fast None Reasoning

ZenMux

2.0M tokens context • $0.20 / $0.50 per 1M tokens

View full specifications →

Detailed Comparison

Specification
KAT-Coder-Pro-V1
Grok 4 Fast None Reasoning
Provider
ZenMux
ZenMux
Context Window
256K tokens
2.0M tokens
Max Output Tokens
32K tokens
30K tokens
Input Pricing (per 1M tokens)
$0.60
$0.20
Output Pricing (per 1M tokens)
$2.40
$0.50
Release Date
Oct 2025
Sep 2025

Capabilities

Capability
KAT-Coder-Pro-V1
Grok 4 Fast None Reasoning
Text Generation
Function Calling
Advanced Reasoning
Vision
File Attachments

Which Model Should You Choose?

Choose KAT-Coder-Pro-V1 if:

  • • You need advanced reasoning

Choose Grok 4 Fast None Reasoning if:

  • • You need a larger context window
  • • Cost efficiency is a priority