Vanta vs OneTrust (2026): ISO 42001 Coverage, Pricing, and Verdict
Head to head
| Dimension | Vanta | OneTrust |
|---|---|---|
| Starting price | ~€6,000/yr | Enterprise-only |
| ISO 42001 support | ◐ Partial | ✓ Full |
| EU AI Act support | ✓ Full | ✓ Full |
| Frameworks | 6 | 9 |
| Audit support model | Auditor partner network | Auditor partner network |
| Free trial | No | No |
| Implementation time | 10–16 weeks | 10–16 weeks |
| Score | 8.4/10 | 8.1/10 |
ISO 42001 coverage
Vanta. ISO 42001 controls available as an add-on framework. Mapping is generated against the published Annex A controls; some clauses require manual evidence.
OneTrust. ISO 42001 supported as part of the broader AI Governance module. Strong fit for enterprises with existing OneTrust deployments.
EU AI Act coverage
Vanta. EU AI Act control framework released in 2025. Maps obligations for providers and deployers of high-risk systems.
OneTrust. Dedicated EU AI Act module covering provider, deployer, and GPAI obligations. Most complete coverage on the market.
Pricing
Vanta. Starting at ~€6,000/yr. Single framework, up to 50 employees.
OneTrust. Starting at Enterprise-only. Module licence, AI risk assessment workflow.
Implementation
Vanta. A typical first ISO 42001 implementation runs 12 to 16 weeks from kickoff to audit-ready, assuming a dedicated internal owner. Vanta provides templated policies, control owner assignments, and an audit-ready evidence room. Customers report meaningful time savings on evidence collection compared to spreadsheet-based approaches.
OneTrust. OneTrust implementations typically run 6 to 12 months for first-time deployments. Organisations that already use OneTrust can extend in 8 to 16 weeks.
Verdict
Vanta wins for SMB and mid-market teams that need ISO 42001 and EU AI Act coverage without a six-month implementation. OneTrust wins for enterprises over 1,000 employees that already run its privacy or TPRM modules and want the most complete AI governance coverage on the market.
Our recommendation: Vanta for the primary use case discussed above. The other tool remains a strong choice in the segments listed in its full review.