Cracked AI Engineering

Claude Sonnet 3.7 vs Kimi K2 Instruct

Claude Sonnet 3.7 offers 200K tokens context vs 131K tokens, Kimi K2 Instruct is more cost-effective, Claude Sonnet 3.7 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Claude Sonnet 3.7

Vercel AI Gateway

200K tokens context • $3.00 / $15.00 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 Sonnet 3.7
Kimi K2 Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
200K tokens
131K tokens
Max Output Tokens
64K tokens
16K tokens
Input Pricing (per 1M tokens)
$3.00
$1.00
Output Pricing (per 1M tokens)
$15.00
$3.00
Release Date
Feb 2025
Jul 2025

Capabilities

Capability
Claude Sonnet 3.7
Kimi K2 Instruct
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments

Which Model Should You Choose?

Choose Claude Sonnet 3.7 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