Cracked AI Engineering

Sonar vs Kimi K2 Instruct

Sonar supports vision, Kimi K2 Instruct has open weights. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Sonar

Vercel AI Gateway

127K tokens context • $1.00 / $1.00 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
Sonar
Kimi K2 Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
127K tokens
131K tokens
Max Output Tokens
8K tokens
16K tokens
Input Pricing (per 1M tokens)
$1.00
$1.00
Output Pricing (per 1M tokens)
$1.00
$3.00
Release Date
Feb 2025
Jul 2025

Capabilities

Capability
Sonar
Kimi K2 Instruct
Text Generation
Vision
Function Calling

Which Model Should You Choose?

Choose Sonar if:

    Choose Kimi K2 Instruct if:

    • • You need a larger context window
    • • You prefer open weights