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Basis vs Perplexity
Side-by-side comparison of features, pricing, and ratings
Pricing
Contact Sales
Freemium
Plans
—
$0/mo
$20/mo
Popularity
4.5k views
5.4k views
Skill Level
Beginner-friendly
Beginner-friendly
API Available
Platforms
Web
WebMobile
Categories
🔬 Research & Education
🔬 Research & Education
Features
Universal reasoning engine research
Challenge-driven project framework
Modular AI system architecture
Open research publication
Fellowship program
Pact: trustworthy multi-agent coordination language
ExoPredicator: abstract world models for robot planning
Agent-built unverified compiler (JS to WASM)
AutumnBench: world model learning benchmark
Community and partnership programs
Real-time web search with cited answers
Follow-up questions in threaded conversations
Clean, ad-free interface
Inline source footnotes for every answer
Collections for organizing saved threads
File upload for analysis (images, PDFs, text)
Continuous conversation memory per thread
Multiple AI models (GPT-4, Claude, etc.) in Pro
Unlimited Copilot queries in Pro
API access for developers
Browser extensions for Chrome, Firefox, Edge
Mobile apps for iOS and Android
Integrations
Chrome extension
Firefox extension
Edge extension
iOS app
Android app
Web browser
API (REST)