GPT-5.2-Codex vs GPT-5.4 Mini
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-Codex vs GPT-5.4 Mini: side by side
| Spec | GPT-5.2-Codex | GPT-5.4 Mini | Winner |
|---|---|---|---|
| Intelligence | 40.1 | 40 | GPT-5.2-Codex |
| Output speed | 139 t/s | 170 t/s | GPT-5.4 Mini |
| Output price | $14.00/1M | $4.50/1M | GPT-5.4 Mini |
| Context | 400K | 400K | Tie |
| Params | — | — | Tie |
| Provider | OpenAI | OpenAI | Tie |
GPT-5.2-Codex
Pros
- +Very large context window for extended inputs
- +Strong coding specialization
- +Seamless integration of text and image data
Cons
- –Restricted to text and image modalities
- –High resource demands at maximum context length
- –No native support for audio or video
GPT-5.4 Mini
Pros
- +Very large context window
- +Native support for files, images, and text
- +Flexible multimodal workflows
Cons
- –Mini size may reduce depth on complex reasoning
- –Performance depends on input quality across modalities
- –Long contexts can increase latency
Frequently asked questions
It depends on your needs. GPT-5.2-Codex and GPT-5.4 Mini are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.