Small GPT-5 model
GPT-5 Nano is a small model in the GPT-5 line.
Ask and write
Smallest and fastest GPT-5 model optimized for low-cost text generation and lightweight tasks.
Opens the Agent studio with GPT-5 Nano ready to use. You will need a free account to run it.


What it makes
Ask and write
Answers questions and writes text in a conversation.
What you need
What you get
A written reply
GPT-5 Nano is a small model in the GPT-5 line. Enter a message and the model returns text. It is made for lightweight text tasks.
The Prompt box (the hint reads Enter Your Message) is the one field you fill in. Write your request there as plain text. The answer comes back as text.
GPT-5 Chat and GPT-5 Mini use the same box and return text too. GPT-5 Nano costs about 2500 credits per run.
Same job: ask and write. Compare before you choose.
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GPT-5 Nano is a small model in the GPT-5 line.
It is made for lightweight text generation.
It answers your message with text.
Select GPT-5 Nano from the text generation models.
Type it into the Prompt box.
Send the request and read the reply.
Describe your photo or post and ask for a short caption.
Describe what you need and ask for a short note.
Type a question and read the answer.
Quick answers to help you get the most out of GPT-5 Nano in FunAI Studio.