AI search engine that answers questions from peer-reviewed scientific papers.

Perplexity
AI Research & StudyPerplexity is an AI answer engine that searches the web in real time and responds with cited sources. It offers focus modes including Academic, Deep Research for longer reports, Labs for building reports and dashboards, Spaces for organizing research, and the Comet AI browser. It is used by students, researchers and professionals as an alternative to traditional search.
Perplexity pricing
Free plan; Pro $20/mo (~$200/yr); Max $200/mo
Last checked September 2026 · Confirm on perplexity.ai
What Perplexity does
- Answers with numbered citations to web sources
- Academic focus mode for scholarly sources
- Deep Research reports from dozens of sources
- Labs for generating reports, spreadsheets and simple web apps
- Spaces for organizing threads and files, with sharing
- Comet AI browser and Chrome extension
Pros
- Citations make answers easy to verify
- Free plan is useful for everyday search
- Choice of models from several providers on paid plans
- Available on nearly every platform, including its own browser
Cons
- Can cite low-quality or misread sources, so links still need checking
- Academic mode is less rigorous than dedicated paper databases like Consensus or Elicit
- No built-in citation formatting or long-form writing editor
- File uploads in Spaces require a paid plan
Who Perplexity is for
Look elsewhere if: Researchers doing systematic reviews that need structured paper screening should use Elicit or Consensus instead.
Enterprise readiness
Enterprise Pro and Enterprise Max add SSO/SCIM, configurable retention and a no-training commitment covering third-party model providers.
- Business / enterprise plan
- Yes
- SSO (SAML / OIDC)
- Enterprise plan
- SCIM user provisioning
- Enterprise plan
- SOC 2
- Type II
- ISO 27001
- —
- HIPAA (BAA available)
- —
- GDPR DPA
- —
- Data residency options
- —
- No training on your data
- Yes
- Audit logs
- —
- Admin controls
- Yes
- Deployment
- Cloud
From the vendor's own security documentation (trust center). "—" = not confirmed. Verify during your security review. Compare all tools.
| Research & Study feature checklist | |
|---|---|
| Answers with citations | Yes |
| Searches academic papers | Yes |
| Upload & chat with PDFs | Yes |
| AI content detection | No |
| Rewrites / humanizes text | No |
| Citation formatting | No |
| Browser extension | Yes |
| Writing editor | No |
Perplexity compared
- Perplexity vs Consensus
- Perplexity vs Monica
- Perplexity vs Merlin AI
- Perplexity vs Jenni AI
- Perplexity vs Originality.ai
- Perplexity vs StealthGPT
- Perplexity vs Undetectable AI
- Perplexity vs Elicit
- Perplexity vs Scite
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