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Choosing a service

Kotiko looks up the words you ask for with an AI service you choose, using your own key, or with a model on your own computer. You don't need one: words typed as word = meaning work without any.

Service Cost Your text goes to Guide
OpenRouter (recommended) Free models, with daily limits OpenRouter and the model's company Set up
OpenAI Paid per word, a fraction of a cent OpenAI Set up
Anthropic (beta) Paid per word Anthropic Set up
Google Gemini Free tier with limits, or paid Google Set up
Groq Free tier with limits, or paid Groq Set up
Ollama Free Nowhere: your own computer Set up
LM Studio Free Nowhere: your own computer Set up
Another service Depends on it That service Set up

If you run your own Kotiko server, it can look words up for you instead: choose My Kotiko server.

Whichever you choose, Kotiko sends only the text you typed to add a word, the languages you read, and the names of up to five languages you recently added words in. It never sends the page you were on. The privacy policy has the details.