Claude Opus 4 vs Kimi K2 Instruct
Claude Opus 4 offers 200K tokens context vs 131K tokens, Kimi K2 Instruct is more cost-effective, Claude Opus 4 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Opus 4
Vercel AI Gateway
200K tokens context • $15.00 / $75.00 per 1M tokens
View full specifications →Kimi K2 Instruct
Vercel AI Gateway
131K tokens context • $1.00 / $3.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Opus 4
Kimi K2 Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
200K tokens
131K tokens
Max Output Tokens
32K tokens
16K tokens
Input Pricing (per 1M tokens)
$15.00
$1.00
Output Pricing (per 1M tokens)
$75.00
$3.00
Release Date
May 2025
Jul 2025
Capabilities
Capability
Claude Opus 4
Kimi K2 Instruct
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Opus 4 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