Cypher Alpha (free) vs Kimi K2
Cypher Alpha (free) offers 1.0M tokens context vs 131K tokens, Cypher Alpha (free) is more cost-effective, Kimi K2 has open weights. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
Cypher Alpha (free)
Kimi K2
Provider
OpenRouter
OpenRouter
Context Window
1.0M tokens
131K tokens
Max Output Tokens
1.0M 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
Cypher Alpha (free)
Kimi K2
Text Generation
Function Calling
Which Model Should You Choose?
Choose Cypher Alpha (free) if:
- • You need a larger context window
- • Cost efficiency is a priority
Choose Kimi K2 if:
- • You prefer open weights