GPT-5-Codex vs GPT-4.1 nano
Looking for a powerful AI model for your projects? GPT-5 Codex offers a massive context window of 400,000 tokens and advanced reasoning capabilities, making it perfect for developers needing cutting-edge AI solutions. While GPT-4.1 nano boasts a larger context size of over 1 million tokens, its lower pricing of $0.1/M input and $0.4/M output tokens makes it a cost-effective choice for projects requiring natural language processing and vision tasks. Choose GPT-5 Codex for advanced reasoning applications and GPT-4.1 nano for cost-effective projects with larger text inputs.
Quick Overview
Detailed Comparison
Specification
GPT-5-Codex
GPT-4.1 nano
Provider
AIHubMix
AIHubMix
Context Window
400K tokens
1.0M tokens
Max Output Tokens
128K tokens
33K tokens
Input Pricing (per 1M tokens)
N/A
$0.10
Output Pricing (per 1M tokens)
N/A
$0.40
Release Date
Sep 2025
Apr 2025
Capabilities
Capability
GPT-5-Codex
GPT-4.1 nano
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose GPT-5-Codex if:
- • You need advanced reasoning
Choose GPT-4.1 nano if:
- • You need a larger context window