o3 vs Kimi K2 Instruct
o3 offers 200K tokens context vs 131K tokens, Kimi K2 Instruct is more cost-effective, o3 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Kimi K2 Instruct
Vercel AI Gateway
131K tokens context • $1.00 / $3.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
o3
Kimi K2 Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
200K tokens
131K tokens
Max Output Tokens
100K tokens
16K tokens
Input Pricing (per 1M tokens)
$2.00
$1.00
Output Pricing (per 1M tokens)
$8.00
$3.00
Release Date
Apr 2025
Jul 2025
Capabilities
Capability
o3
Kimi K2 Instruct
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose o3 if:
- • You need a larger context window
- • You need advanced reasoning
Choose Kimi K2 Instruct if:
- • Cost efficiency is a priority
- • You prefer open weights