GPT-5-Codex vs Qwen3 Coder
GPT-5-Codex offers 400K tokens context vs 262K tokens, Qwen3 Coder is more cost-effective, GPT-5-Codex includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
GPT-5-Codex
Qwen3 Coder
Provider
OpenCode Zen
OpenCode Zen
Context Window
400K tokens
262K tokens
Max Output Tokens
128K tokens
66K tokens
Input Pricing (per 1M tokens)
$1.25
$0.45
Output Pricing (per 1M tokens)
$10.00
$1.80
Release Date
Aug 2025
Jul 2025
Capabilities
Capability
GPT-5-Codex
Qwen3 Coder
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose GPT-5-Codex if:
- • You need a larger context window
- • You need advanced reasoning
Choose Qwen3 Coder if:
- • Cost efficiency is a priority
- • You prefer open weights