Perplexity
8.2#1 in ai research assistantsFrom $20 a monthFree planAndroidiOSWebAPI
VisitPerplexity vs SciSpace
What both publish
| Fact | Perplexity | SciSpace |
|---|---|---|
| API availability | API usage is not included with Enterprise Pro or Enterprise Max and requires separate credits. | SciSpace's main navigation exposes an API entry alongside Enterprise and Pricing. |
| Company identity | The pricing page identifies Perplexity as AI for the curious and shows a 2026 copyright. | The official site footer identifies the legal entity as PubGenius Inc. |
| Support | Max subscribers receive priority support with dedicated infrastructure and faster response times. | Official pages publish [email protected] as the support contact. |
Perplexity plans
- FreeFree
- Pro$20 a month
- Max$200 a month
- Education ProPriced on request
- Education Pro—
- Enterprise Pro$40 a month
SciSpace plans
- BasicFree
- Team$12 a month
- Premium$12 a month
- Researcher$20 a month
- Advanced$70 a month
- Researcher annual$96 a year
Pick Perplexity if…
Perplexity suits people who want cited answers from web, file, and connected-app searches. Its higher-tier plans are designed for professionals, writers, strategists, researchers, and other power users.
Pick SciSpace if…
SciSpace suits students, researchers, and writers who need tools for finding papers, reviewing PDFs, or drafting scientific writing. Its browser extension and iOS app offer additional ways to work with literature.