Perplexity AI
AI UtilityReal-time web search integration with precise inline source citations for every claim, Multiple AI model options including GPT-4o, Claude 3.5 Sonnet, and proprietary models, Specialized focus modes to restrict searches to academic literature, social forums, or computational engines, Interactive Collections feature to organize, share, and collaborate on research threads, Pro Search mode that asks clarifying questions to break down complex multi-step research queries
