GPT-5 Codex
byOpenAI
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Specifications
Technical details and pricing.
Benchmarks
10 benchmark scores from Artificial Analysis.
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Frequently Asked Questions
What is GPT-5 Codex good for?
Use GPT-5 Codex for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does GPT-5 Codex cost?
Pricing is based on usage. Current rates are $1.25/1M tokens for input and $10.00/1M tokens for output.
Can I try GPT-5 Codex for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does GPT-5 Codex support images or audio?
GPT-5 Codex can understand images.
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Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.