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> Managing this rapid growth while meeting the ever-increasing data demands of critical product and analytics use cases, especially our recent Notion AI features, meant building and scaling Notion’s data lake.

Are they using this new data lake to train new AI models on?

Or has Notion signed a deal with another LLM provider to provide customer data as a source for training data?



(I work at Notion, but not on the data platform team)

We do not and will never sell customer data to anyone. We do not train AI models on customer data. As we state in our privacy policy for AI features (https://www.notion.so/notion/Notion-AI-Supplementary-Terms-f...):

> Notion does not use your Customer Data or permit others to use your Customer Data to train the machine learning models used to provide Notion AI Writing Suite or Notion AI Q&A [added: our AI features]. Your use of Notion AI Writing Suite or Notion AI Q&A does not grant Notion any right or license to your Customer Data to train our machine learning models.

We do use various data infrastructure, including Postgres and the data lake, to index customer content both with traditional search infrastructure like Elasticsearch, as well as AI-based embedding search like Pinecone. We do this so you can search your own content when you're using Notion.

We wrote this article to explain how Notion's AI features works with customer data: https://www.notion.so/help/notion-ai-security-practices


It’s not a direct answer but from what Notion tell us about their own business:

* The team are based in the US, specifically California, and Notion Labs, Inc is a Delaware corporation.

* Their investment comes from Venture Capital and individual wealth. The investors are listed on Notion’s about page and are open about how they themselves became rich through VC funded tech companies.

There is a very open sense of panic in tech right now to climb to the top of the AI pile and not get crushed underneath. I would be amazed if there were any companies not enthralled by — and either already embracing or planning to embrace — the data-mining AI gold rush.

Notion is a great product but one would be naive to use it while also harboring concerns about data privacy.




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