o4-mini vs Kimi K2 Instruct
o4-mini offers 200K tokens context vs 131K tokens, o4-mini includes advanced reasoning, o4-mini supports vision. 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
o4-mini
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)
$1.10
$1.00
Output Pricing (per 1M tokens)
$4.40
$3.00
Release Date
Apr 2025
Jul 2025
Capabilities
Capability
o4-mini
Kimi K2 Instruct
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose o4-mini 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