Claude Sonnet 4.5 vs Kimi K2 0711
Claude Sonnet 4.5 includes advanced reasoning, Claude Sonnet 4.5 supports vision, Kimi K2 0711 has open weights. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Sonnet 4.5
GitHub Copilot
128K tokens context • Pricing not available
View full specifications →Kimi K2 0711
Moonshot AI (China)
131K tokens context • $0.60 / $2.50 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Sonnet 4.5
Kimi K2 0711
Provider
GitHub Copilot
Moonshot AI (China)
Context Window
128K tokens
131K tokens
Max Output Tokens
16K tokens
16K tokens
Input Pricing (per 1M tokens)
N/A
$0.60
Output Pricing (per 1M tokens)
N/A
$2.50
Release Date
Sep 2025
Jul 2025
Capabilities
Capability
Claude Sonnet 4.5
Kimi K2 0711
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Sonnet 4.5 if:
- • You need advanced reasoning
Choose Kimi K2 0711 if:
- • You need a larger context window
- • You prefer open weights