GPT-5 Nano is the cheapest GPT-5-family model — built for classification, extraction, and quick chat at pennies per million tokens. Included in the free tier on Brainy Canvas.
The $29.99/month Premium membership includes 6,400 credits — roughly 80 GPT-5 Nano generations every month. New accounts get 200 free credits to start, about 2 generations with this model.
Add a node
Open a canvas and drop in an Text node from the toolbar.
Pick GPT-5 Nano
Choose GPT-5 Nano from the model list, then connect a Text node with your prompt.
Generate
Run the node. Each generation costs 80 credits ($0.05 in / $0.40 out), billed from your balance.
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