GPT-5.2 Pro vs GPT-5.3-Codex
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
GPT-5.2 Pro vs GPT-5.3-Codex: side by side
| Spec | GPT-5.2 Pro | GPT-5.3-Codex | Winner |
|---|---|---|---|
| Intelligence | — | 53.6 | Tie |
| Output speed | — | 101 t/s | Tie |
| Output price | $168.00/1M | $14.00/1M | GPT-5.3-Codex |
| Context | 400K | 400K | Tie |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | OpenAI | Tie |
GPT-5.2 Pro
Pros
- +Very large context window for detailed inputs
- +Seamless handling of image, text, and file modalities
- +Strong integration across multiple input types
- +Suitable for extended multi-turn multimodal tasks
Cons
- –High computational demands for maximum context
- –Potential for reduced precision on very long inputs
- –Limited transparency on internal training data
GPT-5.3-Codex
Pros
- +Specialized for programming workflows
- +Extensive context handling
- +Support for diverse input types
Cons
- –Narrower focus than general-purpose models
- –Performance tied to input quality
Frequently asked questions
It depends on your needs. GPT-5.2 Pro and GPT-5.3-Codex are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.