Leo AI

Leo AI is a web-based, chat-based AI copilot for professional mechanical engineers and engineering teams that provides verified technical guidance, calculations, and design support.

Key capabilities include:

• Verified engineering Q&A with citations from 1M+ trusted sources (standards, textbooks, datasheets) and optional grounding in PLM and organizational knowledge
• Engineering calculations such as stress analysis, material selection, and unit conversions, with formula selection and referenced sources (no spreadsheets required)
• Natural language part search to find standard components from catalogs, PLM systems, or inventory, plus access to vendor parts
• Generative concept-to-CAD workflows, including concept images, 3D models, editable CAD parts (with feature trees), and technical datasheets from a text description

Pricing: Freemium with paid tiers including Pro ($15/user/month; some sources list $39/month), Business ($150/month or upon request), and Enterprise (upon request).

Notable for its proprietary Large Mechanical Model (LMM) trained on millions of CAD files and for emphasizing engineering-grade answers with citations, plus enterprise commitments such as SOC 2 and GDPR compliance and “zero training on your data.”