Gemini 3.1 Pro Preview Custom Tools vs GPT-4.1 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.
Gemini 3.1 Pro Preview Custom Tools vs GPT-4.1 Mini: side by side
| Spec | Gemini 3.1 Pro Preview Custom Tools | GPT-4.1 Mini | Winner |
|---|---|---|---|
| Intelligence | — | 22.9 | Tie |
| Output speed | — | 98 t/s | Tie |
| Output price | $12.00/1M | $1.60/1M | GPT-4.1 Mini |
| Context | 1049K | 1048K | Gemini 3.1 Pro Preview Custom Tools |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | Tie |
Gemini 3.1 Pro Preview Custom Tools
Pros
- +Strong cross-modal coherence on mixed inputs
- +Effective use of very large context windows
- +Flexible extension via custom tools
Cons
- –Preview status may include occasional instability
- –Large contexts can increase latency and cost
- –Tool setup requires additional configuration
GPT-4.1 Mini
Pros
- +Handles over one million tokens of context
- +Processes images, text, and files together
- +Suitable for large document workflows
- +Broad general-purpose capabilities from OpenAI lineage
Cons
- –Mini variant may trade depth for efficiency
- –No audio or video modality support
- –Large context can increase response latency
Frequently asked questions
It depends on your needs. Gemini 3.1 Pro Preview Custom Tools and GPT-4.1 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.