Claude Sonnet 3.7 vs Kimi K2
Claude Sonnet 3.7 offers 200K tokens context vs 131K tokens, Kimi K2 is more cost-effective, Claude Sonnet 3.7 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Sonnet 3.7
OpenRouter
200K tokens context • $15.00 / $75.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Sonnet 3.7
Kimi K2
Provider
OpenRouter
OpenRouter
Context Window
200K tokens
131K tokens
Max Output Tokens
128K tokens
33K tokens
Input Pricing (per 1M tokens)
$15.00
$0.55
Output Pricing (per 1M tokens)
$75.00
$2.20
Release Date
Feb 2025
Jul 2025
Capabilities
Capability
Claude Sonnet 3.7
Kimi K2
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Sonnet 3.7 if:
- • You need a larger context window
- • You need advanced reasoning
Choose Kimi K2 if:
- • Cost efficiency is a priority
- • You prefer open weights