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Set up AI features
kudowrite uses OpenRouter to connect to free AI writing models. You'll need a free API key to use Rewrite, Expand, and Generate.
Open openrouter.ai/keys →
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Create a free key in OpenRouter
Do these steps on the OpenRouter tab you just opened — not here.
- Click Create Key in the top-right corner in OpenRouter
- Give it any name — e.g. kudowrite
- Copy the key — it starts with
sk-or-v1-
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Paste your key
Stored only in your browser — never sent anywhere except openrouter.ai.