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DeepInquiry vs Perplexity
Provides AI answers with cited sources but not a verified fact corpus with cryptographic signatures.
Which to pick
Pick DeepInquiry if you want…
- Verified fact corpus for AI applications
Pick Perplexity if you want…
- Cited AI answers with source links
- Cited AI answer engine
- A free tool
Side by side
- What it is
- DeepInquiry:DeepInquiry provides an API of AI-verified, cryptographically signed facts with sources and confidence scores.
- Perplexity:Perplexity is a free AI-powered answer engine that returns fast, cited answers from trusted sources.
- Best for
- DeepInquiry:Verified fact corpus for AI applications
- Perplexity:Cited AI answers with source links
- Who it’s for
- DeepInquiry:Developers building RAG, AI agents, or any app that needs trustworthy factual data.
- Perplexity:Developers, researchers, and anyone needing quick, reliable information.
- Pricing
- DeepInquiry:Freemium
- Perplexity:Free
- Plans
- DeepInquiry:Free $0 · Starter $59 per month · Growth $219 per month · Scale $719 per month
- Perplexity:—
- Works with
- DeepInquiry:JavaScript, Python
- Perplexity:—
DeepInquiry features
- Verified facts. Every claim is cross-checked, cited, dated and tier-scored before being returned.
- Cryptographic signatures. Each fact includes a CiteSig Ed25519 signature for independent verification.
- Source independence scoring. Facts are graded by how distinct their source groups are across websites and owners.
- Tiered verification. Facts are labeled Gold, Silver or Bronze based on source diversity and quality.
- Rate-limit tiers. Free (30 req/min) up to Scale (1 000 req/min) plans to match traffic needs.
- Audit mode & private endpoints. Enterprise plan adds audit mode, SLA, private endpoints and dedicated Slack support.
Perplexity features
- Cited Answers. Provides answers with references to the original sources.
- Real-time Search. Retrieves up-to-date information from the web instantly.
- Computer Search Mode. Enables AI-driven searches across the internet.
- Work Projects. Allows users to create and manage AI-assisted projects.
- Project Hand-off. Delivers polished, reliable deliverables around the clock.
DeepInquiry vs Perplexity FAQ
Is DeepInquiry or Perplexity free?+
DeepInquiry has a free plan; paid plans start at $59/month (Starter). Perplexity is free.
Which is cheaper, DeepInquiry or Perplexity?+
Perplexity is free, so it costs less. DeepInquiry starts at $59/month (Starter).
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.