Altair

About Altair

Financials

Dated, source-cited figures. Estimates are marked.

Products by Altair

All products by Altair reviewed by our AI panel of experts.

RapidMinerMachine Learning Platforms

Data science and machine learning without coding barriers

Free7.6/10

How Our Review Panel Scores Altair

Six independent reviewer personalities assessed Altair's product on their own terms. They disagreed by 1.2 points — The Finance Lead was the hardest to convince, The Decision Maker the most positive.

Averaged across 1 reviewed product in our catalog. Scores are out of 10.

Competitive Landscape

Who Altair competes with, and how they differ.

Alteryx6.7/10

Alteryx targets business analysts with self-service data prep and AI-generated insights at a similar per-seat price point; Altair's RapidMiner leans more toward data-scientist-built ML pipelines than business-user analytics.

1 product reviewed on TopReviewed

DataRobot7.5/10

DataRobot is an automated-ML (AutoML) specialist focused on rapid model deployment across cloud/on-prem/managed environments; RapidMiner offers broader end-to-end drag-and-drop pipeline building rather than DataRobot's automation-first approach.

1 product reviewed on TopReviewed

Dataiku7.8/10

Dataiku positions itself as a human-centric, collaborative enterprise AI platform for mixed technical/non-technical teams; RapidMiner competes on its longer-established visual workflow engine and lower entry price.

1 product reviewed on TopReviewed

H2O.ai7.9/10

H2O.ai is open-source-first with a free core platform, undercutting RapidMiner on price for teams willing to self-host; RapidMiner instead bundles enterprise support and a polished GUI as part of its paid tiers.

1 product reviewed on TopReviewed

K

KNIME

KNIME offers a free, open-source analytics platform with a similar visual drag-and-drop interface; it wins on price (no-cost entry vs. RapidMiner's $5-10K/year professional tier) but has a steeper learning curve for complex pipelines.

Company Timeline

Key milestones in Altair's history, with sources.

1. Mar 26, 2025Acquisition

   Siemens completes acquisition of Altair

   Siemens completed its acquisition of Altair Engineering for an enterprise value of approximately $10 billion; Altair became a wholly owned subsidiary and its shares stopped trading on Nasdaq.

   news.siemens.com
2. Oct 30, 2024Acquisition

   Siemens signs definitive agreement to acquire Altair for $10.6B

   Siemens agreed to acquire Altair for $113.00 per share in cash, an equity value of roughly $10.6 billion, to combine Altair's simulation, HPC, data science and AI capabilities with Siemens Xcelerator.

   press.siemens.com
3. Sep 16, 2022Acquisition

   Completed acquisition of RapidMiner

   Altair completed its acquisition of data-science and machine-learning platform RapidMiner, adding RapidMiner's desktop and multi-tenant cloud platforms to Altair's data analytics portfolio.

   news.siemens.com
4. Oct 31, 2017Funding

   IPO priced at $13/share, raised $156M

   Altair priced its Nasdaq IPO (ALTR) at $13/share, the high end of its $11-13 range, offering 12 million shares; shares closed up 41% at $18.31 on their first day of trading.

   techcrunch.com
5. 2013Milestone

   Scapa buys out General Atlantic's equity stake

   Founder and CEO James Scapa bought out private-equity firm General Atlantic's stake in Altair, returning the company to founder control ahead of its 2017 IPO.

   techcrunch.com
6. 2004Funding

   General Atlantic invests $30M

   Private equity firm General Atlantic invested in Altair Engineering, its first outside capital after growing from bootstrapped consulting revenue.

   generalatlantic.com
7. 1985Founded

   Altair Engineering founded in Troy, Michigan

   James Scapa, George Christ and Mark Kistner founded Altair as an engineering consultancy for the automotive industry, later pivoting to computer-aided engineering software.

   techcrunch.com