Interface & Design
AI presentation and doc builder that turns a prompt or outline into a polished deck instantly.
From $15 / 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
Gamma
Gamma runs entirely on cloud infrastructure with no local processing option. The free tier is genuinely generous with AI credits and no hard feature wall, reflecting strong access parity across users. Recommended for teams and individuals creating presentations, proposals, or reports — avoid embedding confidential financial or client data in shared Gamma decks.
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
Gamma
From $15 / 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.