OpenAI o3-mini vs Kimi K2 0905
Kimi K2 0905 offers 262K tokens context vs 200K tokens, OpenAI o3-mini is more cost-effective, OpenAI o3-mini includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Kimi K2 0905
Moonshot AI (China)
262K tokens context • $0.60 / $2.50 per 1M tokens
View full specifications →Detailed Comparison
Specification
OpenAI o3-mini
Kimi K2 0905
Provider
GitHub Models
Moonshot AI (China)
Context Window
200K tokens
262K tokens
Max Output Tokens
100K tokens
262K tokens
Input Pricing (per 1M tokens)
Free
$0.60
Output Pricing (per 1M tokens)
Free
$2.50
Release Date
Jan 2025
Sep 2025
Capabilities
Capability
OpenAI o3-mini
Kimi K2 0905
Text Generation
Advanced Reasoning
Function Calling
Which Model Should You Choose?
Choose OpenAI o3-mini if:
- • Cost efficiency is a priority
- • You need advanced reasoning
Choose Kimi K2 0905 if:
- • You need a larger context window
- • You prefer open weights