GPT-5.3-Codex
OpenAI's code-focused multimodal model with 400K-token context for software development and engineering tasks.
Design Arena
Design Arena ranks models on real-world front-end and design tasks — websites, UI components, data viz, SVG and more — through head-to-head human votes, scored as an ELO rating.| Category | ELO | Win rate | Rank |
|---|---|---|---|
| Game dev | 1219 | 51.2% | #43 |
| Data viz | 1195 | 50.4% | #51 |
| Website | 1194 | 48.7% | #57 |
| Asciiart | 1193 | 51.2% | #25 |
| UI component | 1183 | 47.3% | #56 |
Pricing
per 1M tokensInput$1.75 /1M
Output$14 /1M
Cache read$0.175 /1M
Web search$0.01
Model Description
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
Author
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