Perplexity AI is an AI-powered answer engine combining search with conversational AI to provide cited, real-time answers. Perplexity AI features Pro Search with GPT-4, Claude, file analysis, image generation, and unlimited quick searches starting free with Pro at $20/month.

Key Features:

• AI Answer Engine - Combines search + LLMs for cited answers


• Pro Search - Enhanced accuracy with GPT-4, Claude 3.5 (600/day on Pro)


• Real-Time Web Access - Current information, not training data cutoff


• Source Citations - Every answer linked to sources


• File Upload & Analysis - PDF, documents, spreadsheets (Pro)


• Image Generation - DALL-E 3, Playground v2.5, Stable Diffusion XL


• Unlimited Quick Searches - Standard searches always free


• Thread Organization - Save and organize research


• API Access - Integrate Perplexity into apps


• Mobile Apps - iOS and Android native

Pricing:

Free: Unlimited quick searches, 5 Pro searches/day

Pro: $20/month or $200/year (600 Pro searches/day, file upload, API credits)

API: Pay-per-use starting $0.001/1K tokens

Platforms:

Web App, iOS, Android, API

Alternatives:

You.com, Phind, Bing Chat, Google Bard, Poe

Note: Focus on accuracy and citations. Real-time web access. $200/year Pro plan saves $40. Designed for researchers and information seekers.