GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
| Provider | openai |
|---|---|
| Input price | $0.200 / 1M tokens |
| Output price | $1.25 / 1M tokens |
| Context window | 400k tokens |
| Max output | 128k tokens |
| Modalities | file, image, text |
| Model ID | openai/gpt-5.4-nano |
A 1,000-token prompt with a 500-token answer on OpenAI: GPT-5.4 Nano costs roughly $0.00082. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.
PromNest stores your prompt library and lets you run any prompt on OpenAI: GPT-5.4 Nano with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.