GPT-5 Nano vs GPT-4.1 nano
GPT-4.1 nano offers 1.0M tokens context vs 272K tokens, GPT-5 Nano includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
GPT-5 Nano
GPT-4.1 nano
Provider
Azure
Azure
Context Window
272K tokens
1.0M tokens
Max Output Tokens
128K tokens
33K tokens
Input Pricing (per 1M tokens)
$0.05
$0.10
Output Pricing (per 1M tokens)
$0.40
$0.40
Release Date
Aug 2025
Apr 2025
Capabilities
Capability
GPT-5 Nano
GPT-4.1 nano
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose GPT-5 Nano if:
- • Cost efficiency is a priority
- • You need advanced reasoning
Choose GPT-4.1 nano if:
- • You need a larger context window