Safest AI tools for consultants

AI tools used by consultants, 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 ChatGPTOpenAI’s general-purpose AI assistant Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 98
2. 2 ClaudeAnthropic’s assistant for writing, analysis and code Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 98
3. 3 NotebookLMGoogle’s AI research notebook for your sources Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 95
4. 4 Notion AIAI inside your Notion workspace Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 92
5. 5 Fireflies.aiAI notetaker for calls Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 89
6. 6 DeepLNatural-sounding AI translation Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 89
7. 7 Otter.aiAI meeting notes and transcription Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001Yes 82
8. 8 GammaAI presentations, documents and web pages Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 81
9. 9 PerplexityAnswer engine with cited sources Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 80

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