Cracked AI Engineering

GPT-4.1 Mini vs Kimi K2

GPT-4.1 Mini offers 1.0M tokens context vs 131K tokens, GPT-4.1 Mini supports vision, Kimi K2 has open weights. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT-4.1 Mini

OpenRouter

1.0M tokens context • $0.40 / $1.60 per 1M tokens

View full specifications →

Kimi K2

OpenRouter

131K tokens context • $0.55 / $2.20 per 1M tokens

View full specifications →

Detailed Comparison

Specification
GPT-4.1 Mini
Kimi K2
Provider
OpenRouter
OpenRouter
Context Window
1.0M tokens
131K tokens
Max Output Tokens
33K tokens
33K tokens
Input Pricing (per 1M tokens)
$0.40
$0.55
Output Pricing (per 1M tokens)
$1.60
$2.20
Release Date
Apr 2025
Jul 2025

Capabilities

Capability
GPT-4.1 Mini
Kimi K2
Text Generation
Vision
Function Calling
File Attachments

Which Model Should You Choose?

Choose GPT-4.1 Mini if:

  • • You need a larger context window
  • • Cost efficiency is a priority

Choose Kimi K2 if:

  • • You prefer open weights