perplexity.ai · Research Assistants
Answer engine that searches the web and responds with cited sources, plus deep-research reports and follow up threads.
Perplexity is one of 11 research assistant tools on Intelsi. See all research assistant tools or how we check facts.
// guides
Perplexity vs Gemini in October 2026: cited answer engine vs Google's assistant with Gemini 4 Argon, plan prices, research, privacy and who should pick which.
How to use an AI chatbot in WhatsApp in 2026: Meta AI steps for chats and groups, ChatGPT's EEA only return, and why Copilot and Perplexity left.
Perplexity vs Grok in October 2026: cited web search vs live web and X chat, Free/Pro/Max vs Free through Ultra, privacy toggles, and who should pick which.
ChatGPT vs Perplexity AI in October 2026: cited web search vs GPT-6 chat, Free/Pro/Max vs Go/Plus pricing, privacy toggles, and who should pick which.
Perplexity vs Claude in October 2026: cited web search vs Claude chat workspace, Free/Pro/Max plans on both, privacy toggles, and who should pick which.
Best AI chatbot for small business in 2026: ChatGPT, Claude, Gemini, Copilot and Grok compared on business plans, per seat prices, data controls and fit.
// related
Semantic Scholarsemanticscholar.orgFree scholarly search engine from the Allen Institute for AI with AI generated paper summaries and citation graphs.Research AssistantsFree
Consensusconsensus.appAcademic search engine that answers questions using peer reviewed research and shows how much the evidence agrees.Research AssistantsFreemium
scitescite.aiShows whether later research supports or contrasts a paper's claims using classified citation statements.Research AssistantsPaid
STORMstorm.genie.stanford.eduStanford research system that writes Wikipedia style articles from scratch by simulating multiperspective research conversations.Research AssistantsOpen source★ 31.7k
GPT Researchergptr.devOpen source deep-research agent that plans queries, browses many sources and compiles a cited report.Research AssistantsOpen source★ 30.3k
Gensparkgenspark.aiAI workspace with agents that research, write documents, build slides and make calls on your behalf.Autonomous AgentsFreemium