Comparison 2026
Legalithm vs OneTrust, focused EU AI Act vs enterprise suite (2026)
OneTrust is an enterprise privacy, GRC, and trust suite, GDPR, consent, DSAR, and an AI governance module, sold to large organizations. Legalithm covers the EU AI Act and the adjacent web-compliance widgets (cookie consent, AI transparency), free to start and built for developers rather than a procurement cycle.
| Legalithm | OneTrust | |
|---|---|---|
| Focus | EU AI Act + web compliance (cookie & AI transparency) | Enterprise privacy, GRC & trust (GDPR, consent, AI governance) |
| Pricing | Free to start | Enterprise, sales-led |
| How you use it | Dev CLI + MCP, embeddable widgets, web app | Dashboard + modules |
| EU AI Act depth | Core product, cited to EUR-Lex | A module in a large suite |
| Approach | Deterministic rules engine, no LLM | Enterprise platform |
| Origin | EU-built | US-based |
When OneTrust
Choose OneTrust if you are an enterprise standardizing privacy, consent, and GRC across many teams and want one large vendor for all of it.
When Legalithm
Choose Legalithm if you want the EU AI Act handled specifically, without an enterprise contract, in your dev workflow and embeddable on your site.
This comparison reflects each vendor’s public positioning as of 2026. Verify current features and pricing with the vendor.