GPT-4.1 Nano

language modelOpenAI

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...

Key facts

Made byOpenAI
Typelanguage model
ReleasedApril 14, 2025
Reads at once1,047,576 tokens
Price (API, per million tokens)$0.1 in · $0.4 out
Input → outputimage, text, file → text

Questions about GPT-4.1 Nano

Who makes GPT-4.1 Nano?

GPT-4.1 Nano is made by OpenAI.

When was GPT-4.1 Nano released?

We first saw GPT-4.1 Nano listed on April 14, 2025.

How much does GPT-4.1 Nano cost?

Through OpenRouter it costs $0.1 per million input tokens and $0.4 per million output tokens. Prices change, so check the provider before you build on it.

How much text can GPT-4.1 Nano read at once?

Up to 1,047,576 tokens, roughly 785.7K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with OpenAI.