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Pleias

Data infrastructure and synthetic training data tooling for enterprises and institutions building AI models

Paris, FranceFounded 2023pleias.aiWebsite technologies

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Highlights

  • Young companyFounded 2023
  • Hiring1 open role
  • New on EvolcAdded 2026-11-02

About Pleias

Pleias builds data infrastructure for enterprise agentic AI. Its products are Stratum, which turns siloed documents into structured, compliant data for AI workflows with a built-in PII privacy firewall and on-premise deployment; Synth, which generates synthetic training data for AI agents and also runs on-premise; and Common Corpus, an open dataset of rights-cleared, provenance-based text for LLMs.

Customers include enterprises and institutions with strict data constraints. One named case is a 600-million-parameter model trained for the Paris transport operator RATP to detect safety signals in user messages, which the website says is in production on Scaleway infrastructure. Partners listed include Nvidia, Mozilla, the Wikimedia Foundation and Scaleway.

Pleias was founded in 2023 and is based in Paris. Its team includes AI scientists and engineers, and the careers page lists an open business development role in sales covering Europe.

Product: Stratum (AI-native enterprise data tooling), Synth (synthetic data generation) and Common Corpus (open rights-cleared LLM dataset)

Jobs at Pleias (1)

Pleias is hiring for one role in sales, based in Amsterdam, Berlin and Brussels.

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Website technologies

Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.

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