GPT-5 Chat (latest) vs GPT-4.1 nano
GPT-4.1 nano offers 1.0M tokens context vs 400K tokens, GPT-4.1 nano is more cost-effective, GPT-5 Chat (latest) includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
GPT-5 Chat (latest)
OpenAI
400K tokens context • $1.25 / $10.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
GPT-5 Chat (latest)
GPT-4.1 nano
Provider
OpenAI
OpenAI
Context Window
400K tokens
1.0M tokens
Max Output Tokens
128K 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 (latest)
GPT-4.1 nano
Text Generation
Vision
Advanced Reasoning
File Attachments
Function Calling
Which Model Should You Choose?
Choose GPT-5 Chat (latest) if:
- • You need advanced reasoning
Choose GPT-4.1 nano if:
- • You need a larger context window
- • Cost efficiency is a priority