GPT-5.4 Nano
language modelOpenAI
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...
Key facts
| Made by | OpenAI |
|---|---|
| Type | language model |
| Released | March 17, 2026 |
| Reads at once | 400,000 tokens |
| Price (API, per million tokens) | $0.2 in · $1.25 out |
| Input → output | file, image, text → text |
Questions about GPT-5.4 Nano
Who makes GPT-5.4 Nano?
GPT-5.4 Nano is made by OpenAI.
When was GPT-5.4 Nano released?
We first saw GPT-5.4 Nano listed on March 17, 2026.
How much does GPT-5.4 Nano cost?
Through OpenRouter it costs $0.2 per million input tokens and $1.25 per million output tokens. Prices change, so check the provider before you build on it.
How much text can GPT-5.4 Nano read at once?
Up to 400,000 tokens, roughly 300K words.
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