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Tools · Comparison

Alethea vs Ask an AI vs Perplexity Labs

All three are research tools. Here is what separates them.

AletheaAsk an AIPerplexity Labs
What it isALETHIA AI is a research and development studio building at the intersection of two of the most transformative technologies of our time: Generative AI and…Curated, quality-checked AI answers. Ask anything — only answers that pass an independent editorial AI review become permanent, citable pages.Runs a longer research task and returns a report, a spreadsheet or a small app rather than an answer.
CategoryResearchResearchResearch
PricingPaidPaidPaid · Included with Perplexity Pro $20/mo
How it billsNot publishedNot publishedBundled
Free tierNoNoNo
RatingNot yet ratedNot yet ratedNot yet rated
Features
  • Multi-minute research runs
  • Report, spreadsheet and app outputs
  • Charts generated from findings
  • Citations throughout
  • Shareable results
What works
  • Sits in Research, one of the better-covered categories here — easy to compare
  • Sits in Uncategorised, one of the better-covered categories here — easy to compare
  • Produces a usable artefact, not just text
  • Well cited
  • Good at breadth-first research
What does not
  • No free tier — it has to be paid for before it can be tried
  • Does not publish a price on its own site, so the cost is only clear after signing up
  • 44 other tools in this catalogue claim to do the same job
  • 12 tools in the same category have a free tier
  • No free tier — it has to be paid for before it can be tried
  • Does not publish a price on its own site, so the cost is only clear after signing up
  • 93 other tools in this catalogue claim to do the same job
  • 21 tools in the same category have a free tier
  • Requires a Pro subscription
  • Slow by design
  • Depth varies by topic