GPT-4.1 Nano vs GPT-5 Nano
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-4.1 Nano vs GPT-5 Nano: side by side
| Spec | GPT-4.1 Nano | GPT-5 Nano | Winner |
|---|---|---|---|
| Intelligence | 13 | 26.8 | GPT-5 Nano |
| Output speed | 172 t/s | 170 t/s | GPT-4.1 Nano |
| Output price | $0.40/1M | $0.40/1M | Tie |
| Context | 1048K | 400K | GPT-4.1 Nano |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | OpenAI | Tie |
GPT-4.1 Nano
Pros
- +Extremely large context window
- +Native support for images, text, and files
- +OpenAI multimodal architecture
Cons
- –Nano size may reduce depth on complex tasks
- –Performance trade-offs for efficiency
GPT-5 Nano
Pros
- +Handles very large contexts efficiently
- +Supports text, image, and file inputs
- +Lightweight design for faster responses
- +Practical for extended document tasks
Cons
- –Lower capability depth than full-scale models
- –May struggle with highly complex reasoning
- –Trade-off in advanced task performance
Frequently asked questions
It depends on your needs. GPT-4.1 Nano and GPT-5 Nano are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.