Safest AI tools for lawyers

AI tools used by lawyers, ranked by SafeScore: how well each vendor documents data privacy, training opt-outs, security audits and AI governance. Use it as a first screen before you share client or company data.

Updated October 17, 2026 · scores come from each vendor’s public policies

1. 1 ClaudeAnthropic’s assistant for writing, analysis and code Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 98
2. 2 OneTrustPrivacy and AI governance platform Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 97
3. 3 HarveyGenerative AI platform for legal work Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 95
4. 4 DeepLNatural-sounding AI translation Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 89

More AI safety lists

Safest AI tools for business (2026)AI tools that don’t train on your dataGDPR-compliant AI toolsAI tools with SOC 2 or ISO 27001HIPAA-compliant AI toolsMost private AI chatbots Safest AI tools for accountantsSafest AI tools for consultantsSafest AI tools for doctorsSafest AI tools for small businessSafest AI tools for HR professionalsSafest AI tools for marketersSafest AI tools for teachers

Choosing an AI tool for your team?

Use our free AI vendor questionnaire and AI tool approval process, then record each decision in an AI risk register.

Vendor questionnaireAll templates

Rankings summarise public information and aren’t legal advice or an audit. How SafeScore works.