GLM 4.5 Air (free) vs Kimi K2
GLM 4.5 Air (free) is more cost-effective, GLM 4.5 Air (free) includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
GLM 4.5 Air (free)
Kimi K2
Provider
OpenRouter
OpenRouter
Context Window
128K tokens
131K tokens
Max Output Tokens
96K tokens
33K tokens
Input Pricing (per 1M tokens)
Free
$0.55
Output Pricing (per 1M tokens)
Free
$2.20
Release Date
Jul 2025
Jul 2025
Capabilities
Capability
GLM 4.5 Air (free)
Kimi K2
Text Generation
Advanced Reasoning
Function Calling
Which Model Should You Choose?
Choose GLM 4.5 Air (free) if:
- • Cost efficiency is a priority
- • You need advanced reasoning
Choose Kimi K2 if:
- • You need a larger context window