Cracked AI Engineering

GPT-4o vs GPT-4.1 nano

GPT-4.1 nano offers 1.0M tokens context vs 128K tokens, GPT-4.1 nano is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT-4o

Azure

128K tokens context • $2.50 / $10.00 per 1M tokens

View full specifications →

GPT-4.1 nano

Azure

1.0M tokens context • $0.10 / $0.40 per 1M tokens

View full specifications →

Detailed Comparison

Specification
GPT-4o
GPT-4.1 nano
Provider
Azure
Azure
Context Window
128K tokens
1.0M tokens
Max Output Tokens
16K tokens
33K tokens
Input Pricing (per 1M tokens)
$2.50
$0.10
Output Pricing (per 1M tokens)
$10.00
$0.40
Release Date
May 2024
Apr 2025

Capabilities

Capability
GPT-4o
GPT-4.1 nano
Text Generation
Vision
Function Calling
File Attachments

Which Model Should You Choose?

Choose GPT-4o if:

    Choose GPT-4.1 nano if:

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