Cracked AI Engineering

Kimi K2 Instruct vs Kimi K2 0905

Kimi K2 0905 offers 262K tokens context vs 128K tokens, Kimi K2 Instruct includes advanced reasoning, Kimi K2 0905 has open weights. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Kimi K2 Instruct

Nvidia

128K tokens context • Free

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Kimi K2 0905

Nvidia

262K tokens context • Free

View full specifications →

Detailed Comparison

Specification
Kimi K2 Instruct
Kimi K2 0905
Provider
Nvidia
Nvidia
Context Window
128K tokens
262K tokens
Max Output Tokens
8K tokens
262K tokens
Input Pricing (per 1M tokens)
Free
Free
Output Pricing (per 1M tokens)
Free
Free
Release Date
Jan 2025
Sep 2025

Capabilities

Capability
Kimi K2 Instruct
Kimi K2 0905
Text Generation
Function Calling
Advanced Reasoning

Which Model Should You Choose?

Choose Kimi K2 Instruct if:

  • • You need advanced reasoning

Choose Kimi K2 0905 if:

  • • You need a larger context window
  • • You prefer open weights