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    <h1>Sigmund is an AI research assistant</h1>

    <p>Designed to answer questions about OpenSesame</p>
    <p>Helps with data analysis and literature search</p>
    <p>Conversations are encrypted and will not be used to train AI</p>
    <p>Powered by the latest models from OpenAI, Anthropic, and Mistral</p>    

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    <small>Use your account from forum.cogsci.nl</small>
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    <i class="fab fa-google"></i> Sign in with Google<br>
    <small>Use your Google account</small>
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<small>

Install the [Sigmund Copilot extention](https://osdoc.cogsci.nl/4.0/manual/sigmund/) for OpenSesame

Read [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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