Deep Research

Top-level catalog category

Overview

Products that perform multi-step research across multiple sources and synthesize findings with citations for a user or agent.

Products

Parallel by Parallel

Parallel provides AI integration tools such as CLI, SDK, and MCP servers compatible with AI assistants. The Parallel Search MCP Server provides web search and content extraction to …

Deep Research Search-Grounded LLM API

Tier B 70/100

Tavily by Tavily

Search API that returns web results optimized for LLMs and AI agents.

Deep Research Search Search-Grounded LLM API

Tier B 70/100 Free plan available

You.com by You.com

You.com provides web intelligence APIs. The Web Search API returns ranked web and news results with snippets by default, optional highlights, and optional full-page extraction. It provides source …

AI Answer Engine / Search Deep Research Search-Grounded LLM API

Tier B 58/100 Free plan available

Perplexity by Perplexity

Search and research assistant that answers questions using web sources and citations.

AI Answer Engine / Search Deep Research

Tier B 55/100