Cracked AI Engineering

Claude Sonnet 4 vs Kimi K2 Thinking Turbo

Kimi K2 Thinking Turbo offers 262K tokens context vs 200K tokens, Kimi K2 Thinking Turbo is more cost-effective, Kimi K2 Thinking Turbo includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Claude Sonnet 4

Cortecs

200K tokens context • $3.31 / $16.54 per 1M tokens

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Kimi K2 Thinking Turbo

Moonshot AI (China)

262K tokens context • $1.15 / $8.00 per 1M tokens

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Detailed Comparison

Specification
Claude Sonnet 4
Kimi K2 Thinking Turbo
Provider
Cortecs
Moonshot AI (China)
Context Window
200K tokens
262K tokens
Max Output Tokens
64K tokens
262K tokens
Input Pricing (per 1M tokens)
$3.31
$1.15
Output Pricing (per 1M tokens)
$16.54
$8.00
Release Date
May 2025
Nov 2025

Capabilities

Capability
Claude Sonnet 4
Kimi K2 Thinking Turbo
Text Generation
Vision
Function Calling
Advanced Reasoning

Which Model Should You Choose?

Choose Claude Sonnet 4 if:

    Choose Kimi K2 Thinking Turbo if:

    • • You need a larger context window
    • • Cost efficiency is a priority
    • • You need advanced reasoning
    • • You prefer open weights