Cracked AI Engineering

GPT-4.1 nano vs Kimi K2 Instruct

GPT-4.1 nano offers 1.0M tokens context vs 131K tokens, GPT-4.1 nano is more cost-effective, GPT-4.1 nano supports vision. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT-4.1 nano

Vercel AI Gateway

1.0M tokens context • $0.10 / $0.40 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
GPT-4.1 nano
Kimi K2 Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
1.0M tokens
131K tokens
Max Output Tokens
33K tokens
16K tokens
Input Pricing (per 1M tokens)
$0.10
$1.00
Output Pricing (per 1M tokens)
$0.40
$3.00
Release Date
Apr 2025
Jul 2025

Capabilities

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

Which Model Should You Choose?

Choose GPT-4.1 nano if:

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

Choose Kimi K2 Instruct if:

  • • You prefer open weights