Safest AI tools for students

AI tools used by students, 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 GeminiGoogle’s AI assistant connected to your Google apps Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 98
3. 3 Microsoft CopilotMicrosoft’s everyday AI companion Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 98
4. 4 NotebookLMGoogle’s AI research notebook for your sources Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 95
5. 5 Le Chat by MistralMistral AI’s fast, privacy-minded assistant Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 93
6. 6 GrammarlyWriting assistant for clear, correct text everywhere Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 92
7. 7 Notion AIAI inside your Notion workspace Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 92
8. 8 ReplitBuild and deploy apps with an AI agent Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001Yes 85
9. 9 Otter.aiAI meeting notes and transcription Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001Yes 82
10. 10 PerplexityAnswer engine with cited sources Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 80
11. 11 Meta AIMeta’s assistant in WhatsApp, Instagram and the web Trains on your dataYesGDPR / DPAYesSOC 2 / ISO 27001In progress 72
12. 12 PoeOne app for many AI models Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001No 62
13. 13 QuillBotParaphrasing, grammar and summarising tools Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001In progress 59
14. 14 SpeechifyListen to any text read aloud Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001In progress 55
15. 15 DeepSeekFree chat with DeepSeek’s reasoning models Trains on your dataYesGDPR / DPANoSOC 2 / ISO 27001No 38

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