Safest AI tools for developers

AI tools used by developers, 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 Le Chat by MistralMistral AI’s fast, privacy-minded assistant Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 93
4. 4 ElevenLabsLifelike AI voices, dubbing and sound effects Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001Yes 91
5. 5 ReplitBuild and deploy apps with an AI agent Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001Yes 85
6. 6 CursorThe AI-first code editor Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 84
7. 7 YCYou.comAI search and research agents Trains on your dataNo (by default)GDPR / DPAYesSOC 2 / ISO 27001Yes 78
8. 8 Stable DiffusionOpen image models from Stability AI Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001In progress 66
9. 9 PoeOne app for many AI models Trains on your dataDepends on planGDPR / DPAYesSOC 2 / ISO 27001No 62
10. 10 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.