n4nAI

Topic

Deep Research & Agentic Search

13 posts on deep research & agentic search — part of ai agents & automation on the n4n AI blog.

AI agents & automationAnalysis

Why deep research agents hallucinate citations

Engineering analysis of why deep research agents invent sources: architectural mismatches between generation and retrieval, and how to enforce verifiable citations.

4 min read
AI agents & automationGuide

When to use a deep research agent instead of a chatbot

Practical guide for engineers on when use deep research agent vs chatbot: task depth, grounding, latency, and an actionable upgrade path with code.

4 min read
AI agents & automationComparison

Tavily vs Exa vs Bing Search API for agentic research

A pragmatic engineering comparison of Tavily, Exa, and Bing Search API for agentic research: capabilities, cost, latency, ergonomics, and limits.

6 min read
AI agents & automationComparison

Parallel search vs sequential search in research agents

A head-to-head comparison of parallel vs sequential search agents across cost, latency, and ergonomics, with a verdict for engineering use cases.

5 min read
AI agents & automationHow-to

How to rank and filter search results for research agents

Practical steps to rank and filter search results for research agents using embeddings, LLM scoring, and deterministic rules—with runnable Python code.

4 min read
AI agents & automationAnalysis

How long should a deep research agent run before answering

Analyze how to bound deep research agent run time with adaptive stop conditions instead of fixed timeouts, balancing latency, cost, and answer quality.

5 min read
AI agents & automationTutorial

Designing a multi-step research loop with Claude Opus 4.5

Build a multi-step research loop with Claude Opus 4.5 using the Anthropic SDK. Hands-on tutorial with planner, tool-use researcher, and synthesis.

2 min read
AI agents & automationDefinition

What is a deep research AI agent, and how does it work?

An AI deep research agent autonomously plans, retrieves, and synthesizes to answer complex queries. This explainer covers how it works.

4 min read
AI agents & automationComparison

OpenAI Deep Research vs Gemini Deep Research vs Perplexity

Head-to-head comparison of OpenAI Deep Research, Gemini Deep Research, and Perplexity across capabilities, cost, latency, ergonomics, and limits for engineers.

5 min read
AI agents & automationHow-to

How to build a deep research agent with search and citations

Practical guide to build deep research agent with web search and citations: query decomposition, parallel retrieval, and OpenAI-compatible LLMs.

2 min read
AI agents & automationTutorial

Building a citation verification step into research agents

Build citation verification research agents that fetch and validate sources. Hands-on Python tutorial with OpenAI-compatible LLM calls and HTML parsing.

3 min read
AI agents & automationComparison

Agentic search vs traditional RAG: what's the difference

A practitioner's head-to-head comparison of agentic search vs RAG across capabilities, cost, latency, ergonomics, and limits, with a verdict for engineers.

4 min read
AI agents & automationListicle

7 techniques for deeper, more accurate agentic search

Practical techniques to build deeper accurate agentic search systems that retrieve, verify, and synthesize information with higher precision and recall.

3 min read