## Sigmund: your friendly, privacy-minded AI assistant!

&#128150; Your subscription<br>supports open source
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- A state-of-the-art general-purpose chatbot
- Better at answering questions about [OpenSesame](https://osdoc.cogsci.nl/) and [DataMatrix](https://pydatamatrix.eu) than any other chatbot
- Use your favorite language model! Select OpenAI GPT4, Anthropic Claude 3, or Mistral Large
- Messages and attachments are encrypted so that no-one can listen in on your conversation
- Basic Python and R execution abilities
- Search for scientific articles through Google Scholar
- Upload and download attachments
- Read more about [what Sigmund can do](/about) and [our terms of service](/terms)

Sigmund requires a subscription (€9 /month). You can subscribe after signing in. A variety of international payment methods are available. Subscribing is easy and secure.

If you need a custom subscription, such as an invoiced subscription for multiple individuals or a longer period, contact [professional@cogsci.nl](mailto:professional@cogsci.nl).

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