GPT-5 Chat 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, GPT-5 Chat includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
GPT-5 Chat
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)
$1.25
$0.10
Output Pricing (per 1M tokens)
$10.00
$0.40
Release Date
Aug 2025
Apr 2025
Capabilities
Capability
GPT-5 Chat
GPT-4.1 nano
Text Generation
Vision
Advanced Reasoning
File Attachments
Function Calling
Which Model Should You Choose?
Choose GPT-5 Chat if:
- • You need advanced reasoning
Choose GPT-4.1 nano if:
- • You need a larger context window
- • Cost efficiency is a priority