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...
Specifications
| Provider | OpenAI |
|---|---|
| Context window | 400,000 tokens (400K) |
| Input price | $0.2 / 1M tokens |
| Output price | $1.25 / 1M tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Model ID | openai/gpt-5.4-nano |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.
Frequently asked questions
How much does GPT-5.4 Nano cost?
Indicative pricing (via OpenRouter, updated 2026-08-22) is $0.2 per 1M input tokens and $1.25 per 1M output tokens. A provider's own list price may differ. On Vincony, GPT-5.4 Nano is available on credit-based pricing alongside 800+ other models.
What is GPT-5.4 Nano's context window?
GPT-5.4 Nano supports a context window of up to 400,000 tokens (400K), which is how much text it can consider at once.
Who makes GPT-5.4 Nano?
GPT-5.4 Nano is built by OpenAI. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use GPT-5.4 Nano?
You can use GPT-5.4 Nano directly through OpenAI, or via Vincony, which aggregates 800+ models (including GPT-5.4 Nano) into one interface with side-by-side comparison and credit-based pricing.