Open Deep Research (OSS) Open-source agent that scopes topics, investigates the web, and writes cited research reports. 0370 Web Research Agents# agent# citations# deep research
ChatGPT Deep Research Agentic multi-step web research in ChatGPT that reads, reasons, and delivers cited, structured reports. 0340 Web Research Agents# citations# deep research# multi-step agent
Genei Research assistant that reads multiple links, summarizes, and organizes notes with citations. 0310 Web Research Agents# citations# notes# research assistant
Tavily (Search API for Agents) Agent-first real-time web search and extraction API powering deep research workflows and RAG. 0310 Web Research Agents# agent search API# RAG# real-time
SciSpace AI Research Agent Literature-focused agent to search 280M+ papers, run deep reviews, and draft evidence-based outputs. 0310 Web Research Agents# academic search# citations# deep review
Exa (Search & Research API) Meaning-based search, crawling, and deep research endpoints designed for AI agents and apps. 0290 Web Research Agents# agents# crawl API# deep research
ResearchRabbit Discovery agent for academic webs of papers and authors, surfacing connections and emerging work. 0290 Web Research Agents# academic search# graphs# literature discovery
HARPA AI Browser agent/extension that automates searches, reads pages, and compiles research with sources. 0280 Web Research Agents# automation# browser agent# citations
Brave Leo Built-in private AI assistant that researches the live web and returns concise, cited answers. 0280 Web Research Agents# browser# citations# private AI
Arc Search — Browse for me Mobile agentic browsing that auto-queries, follows links, and produces readable source-backed summaries. 0280 Web Research Agents# agent browser# Browse for me# iOS
Monica AI Cross-model sidebar assistant to summarize pages, query the live web, and compile findings. 0270 Web Research Agents# extensions# sidebar# summarization
Scite Assistant Research assistant that finds, explains, and verifies claims with Smart Citations across scientific literature. 0270 Web Research Agents# evidence# literature# Smart Citations
Firecrawl (Deep Research API) Web search/crawl/scrape API plus deep-research pipelines that gather and synthesize across sites. 0260 Web Research Agents# agents# crawl# deep research API
Consensus AI research engine that extracts answers from peer-reviewed papers and explains evidence succinctly. 0260 Web Research Agents# academic search# citations# evidence
xAI Grok Real-time research assistant with live web/X data access and tool use for timely answers. 0260 Web Research Agents# citations# real-time search# web research