Renumics GmbH vs Three Sigma

Renumics GmbH is a Karlsruhe-based industrial AI company that builds systems for analyzing test, machine, and simulation data. They partner with automotive, aerospace, machinery, and pharma teams to move product development toward data-driven, end-to-end workflows.

Their product Onion is an agentic AI assistant for engineering data analysis. Engineers ask questions in natural language to query logging and fleet data, run plausibility checks, detect swapped channels, and generate interactive visualizations without waiting on custom reports from data specialists.

Renumics also maintains Spotlight, an open source toolkit for exploring unstructured datasets including audio, images, video, time-series, and 3D geometry. Beyond software, the company delivers workshops, data readiness checks, proof-of-concept builds, and full custom AI system deployments.

Three Sigma is a document research assistant that answers questions across the files you upload. Point it at PDFs, Word documents, or PowerPoint decks and ask follow-ups in plain language instead of skimming page by page.

What sets it apart is transparency. When you ask a question, Three Sigma shows how it reached the answer rather than hiding the reasoning behind a black box. You can also query entire folders at once, which helps when a project spans annual reports, spreadsheets, and slide decks.

It is built for people who live in long documents: analysts reviewing filings, researchers pulling facts from reports, and teams that need quick, traceable answers from their own files. A ChatGPT plugin and a solo chat mode extend the same workflow into OpenAI and everyday Q&A.