7 agents indexed and ranked
by Perplexity AI
AI-powered answer engine with real-time web citations. Sonar API for developers. $21B valuation, $200M ARR as of early 2026. Pro Search with multi-step reasoning.
by Google
Google's AI research assistant. Upload any source and get cited answers, audio podcast overviews, study guides, and mindmaps. Powered by Gemini 2.5 Pro.
by OpenAI
OpenAI's autonomous research agent built on o3. Browses the web, reads documents, and produces comprehensive 20-50 page reports in 5-30 minutes. ChatGPT Pro.