Communication & Synthesis
AI meeting assistant that joins calls to transcribe, summarise, and extract action items.
From $10 / mo
Visit WebsiteResearch & Analysis
AI-powered answer engine that gives cited, real-time answers instead of a list of links.
From $20 / mo
Visit Website4-P Sovereignty Matrix
Lumen Trust Notes
Fireflies.ai
Meeting audio and transcripts are processed and stored in Fireflies' cloud (Privacy Low). A usable free tier supports High parity, and the core mission—reducing note-taking burden—earns High purpose. Provenance Low for closed AI pipelines. Obtain participant consent where required and avoid privileged or regulated conversations without reviewing Fireflies' DPA and retention settings.
Perplexity AI
Perplexity processes all queries on cloud infrastructure with no local option, keeping sovereignty low. Its transparent citation model and a genuinely useful free tier represent both an ethical commitment to honest information and broad access parity. Strongly recommended for research, fact-checking, and staying current — treat it as a research assistant, not a replacement for primary source verification.
Pricing
Fireflies.ai
From $10 / month
Perplexity AI
From $20 / month
Disclaimer
Scores are based on publicly available information and Lumen's auditing criteria at the time of assessment. They may not reflect recent changes.
This comparison is not a legal or security audit. Read our full disclaimer.