OpenAI

OpenAI's API is paid per request; each word costs a fraction of a cent. It's separate from a ChatGPT subscription.

Get a key

1. Open OpenAI's API keys page and sign in.
2. Add a payment method or credit if your account has none.
3. Select Create new secret key, name it "Kotiko", and copy it. It starts with sk-.

Paste it into Kotiko

1. Open Kotiko's Settings (from the toolbar popup), then Word lookups.
2. Under Look words up with, choose OpenAI.
3. Paste the key into OpenAI key and select Save key.
4. Select Test. "It works" means Kotiko can look words up.

Your key stays in this browser, where web pages can't read it. It's never copied to other devices or into backups. Kotiko sends it only to OpenAI, at https://api.openai.com/v1.

Kotiko picks a small, inexpensive model (gpt-4.1-mini, else gpt-4o-mini). You can type another model's name in Word lookups.

OpenAI's pricing · OpenAI's privacy policy