GPT-5.1-Codex-Mini vs GPT-5.2 Pro
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-5.1-Codex-Mini vs GPT-5.2 Pro: side by side
| Spec | GPT-5.1-Codex-Mini | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Intelligence | 38.6 | — | Tie |
| Output speed | 215 t/s | — | Tie |
| Output price | $2.00/1M | $168.00/1M | GPT-5.1-Codex-Mini |
| Context | 400K | 400K | Tie |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | OpenAI | Tie |
GPT-5.1-Codex-Mini
Pros
- +Very large context window
- +Strong coding specialization
- +Native image + text support
- +Suitable for extended technical workflows
Cons
- –Mini variant may have reduced depth on complex reasoning
- –Limited to image and text modalities
- –Trade-off between context size and response speed
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
Frequently asked questions
It depends on your needs. GPT-5.1-Codex-Mini and GPT-5.2 Pro are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.