GPT-5 Chat vs GPT-4
GPT-5 Chat offers 128K tokens context vs 8K tokens, GPT-5 Chat 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
Provider
Azure
Azure
Context Window
128K tokens
8K tokens
Max Output Tokens
16K tokens
8K tokens
Input Pricing (per 1M tokens)
$1.25
$60.00
Output Pricing (per 1M tokens)
$10.00
$120.00
Release Date
Aug 2025
Mar 2023
Capabilities
Capability
GPT-5 Chat
GPT-4
Text Generation
Vision
Advanced Reasoning
File Attachments
Function Calling
Which Model Should You Choose?
Choose GPT-5 Chat if:
- • You need a larger context window
- • Cost efficiency is a priority
- • You need advanced reasoning