Horizon Alpha vs Kimi K2
Horizon Alpha offers 256K tokens context vs 131K tokens, Horizon Alpha is more cost-effective, Horizon Alpha supports vision. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
Horizon Alpha
Kimi K2
Provider
OpenRouter
OpenRouter
Context Window
256K tokens
131K tokens
Max Output Tokens
128K 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
Horizon Alpha
Kimi K2
Text Generation
Vision
Function Calling
File Attachments
Which Model Should You Choose?
Choose Horizon Alpha if:
- • You need a larger context window
- • Cost efficiency is a priority
Choose Kimi K2 if:
- • You prefer open weights