Kimi K2 vs Claude Opus 4.1
Kimi K2 offers 262K tokens context vs 200K tokens, Kimi K2 is more cost-effective, Claude Opus 4.1 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Opus 4.1
OpenCode Zen
200K tokens context • $15.00 / $75.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Kimi K2
Claude Opus 4.1
Provider
OpenCode Zen
OpenCode Zen
Context Window
262K tokens
200K tokens
Max Output Tokens
262K tokens
32K tokens
Input Pricing (per 1M tokens)
$0.60
$15.00
Output Pricing (per 1M tokens)
$2.50
$75.00
Release Date
Sep 2025
Aug 2025
Capabilities
Capability
Kimi K2
Claude Opus 4.1
Text Generation
Function Calling
Vision
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Kimi K2 if:
- • You need a larger context window
- • Cost efficiency is a priority
- • You prefer open weights
Choose Claude Opus 4.1 if:
- • You need advanced reasoning