GPT-5.2 vs GPT-5 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 vs GPT-5 Codex: side by side
| Spec | GPT-5.2 | GPT-5 Codex | Winner |
|---|---|---|---|
| Intelligence | 46.6 | 44.6 | GPT-5.2 |
| Output speed | — | 150 t/s | Tie |
| Output price | $14.00/1M | $10.00/1M | GPT-5 Codex |
| Context | 400K | 400K | Tie |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | OpenAI | Tie |
GPT-5.2
Pros
- +Extensive context window
- +Support for files, images, and text
- +Unified multimodal processing
- +Scalable document-level analysis
Cons
- –High resource use with maximum context
- –No native audio or video modalities
- –Risk of diluted focus in very long inputs
GPT-5 Codex
Pros
- +Handles extremely large inputs effectively
- +Strong coding specialization
- +Unified text and image reasoning
Cons
- –High resource demands with maximum context
- –Limited to text and static images
- –Potential coherence loss in very long outputs
Frequently asked questions
It depends on your needs. GPT-5.2 and GPT-5 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.