Cracked AI Engineering

Kimi Dev 72b (free) vs Kimi K2 Instruct 0905

Kimi K2 Instruct 0905 offers 262K tokens context vs 131K tokens, Kimi Dev 72b (free) is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Kimi Dev 72b (free)

OpenRouter

131K tokens context • Free

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Kimi K2 Instruct 0905

OpenRouter

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

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Detailed Comparison

Specification
Kimi Dev 72b (free)
Kimi K2 Instruct 0905
Provider
OpenRouter
OpenRouter
Context Window
131K tokens
262K tokens
Max Output Tokens
131K tokens
16K tokens
Input Pricing (per 1M tokens)
Free
$0.60
Output Pricing (per 1M tokens)
Free
$2.50
Release Date
Jun 2025
Sep 2025

Capabilities

Capability
Kimi Dev 72b (free)
Kimi K2 Instruct 0905
Text Generation
Function Calling

Which Model Should You Choose?

Choose Kimi Dev 72b (free) if:

  • • Cost efficiency is a priority

Choose Kimi K2 Instruct 0905 if:

  • • You need a larger context window