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Deep Research

AI research reports with citations

Deep Research turns any question into a cited research report by searching and synthesizing multiple web sources in parallel. Cross-references findings, assigns confidence scores, and returns structured intelligence with field-level citations.

Standard web search returns links — you still have to read and synthesize everything yourself. Deep Research does the reading for you. It explores multiple sources, identifies where they agree and disagree, and produces a structured report you can act on. Multiple depth tiers let you trade speed against thoroughness: a quick scan takes under a minute, a full analyst-grade deep dive runs for up to 25 minutes and covers far more ground.

What you can do

  • research — run a deep research job on any topic; choose a processor tier from lite (fast summary) to ultra (analyst-grade deep dive with full cross-referencing)

Who it's for

Analysts, researchers, journalists, consultants, and anyone who needs a thorough answer backed by sources rather than a quick summary. Also useful for due diligence, market research, competitive intelligence, and fact-checking.

How to use it

  1. Use research with a specific, detailed question — more detail gives better results
  2. Choose a processor: pro is the default and handles most research tasks well; ultra for the deepest coverage
  3. Add -fast to any tier name (e.g. pro-fast) for faster results at the cost of some depth
  4. Set output_mode to "text" for a readable markdown report, or "auto" for structured JSON with citations
  5. The tool runs asynchronously — it returns a job ID; poll with get_job_result until complete
Deep Research

Run deep research on any topic. Automatically explores multiple web sources, cross-references findings, and returns structured intelligence with citations. Choose a processor tier to control depth vs speed.

Returns: Structured research findings with field-level citations, confidence scores, and source excerpts. Content is either structured JSON (auto mode) or a markdown report (text mode).
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v0.032026-04-17
  • source_domains and exclude_domains now enforce a 10-domain maximum with a clear error message
v0.022026-03-22
  • Added subtitle, expanded description, and agent instructions
v0.012026-03-20
  • Initial release

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What you can do with Deep Research

Research Market Entry Strategy

Conduct deep research into a new market to understand the competitive landscape, regulatory environment, and go-to-market considerations.

  1. Ask Claude: "Research the market entry strategy for [product/service] in [market/region] using the deep-research tool"
  2. Claude conducts comprehensive research covering competitors, regulations, and market dynamics
  3. Ask: "What are the top 3 risks and top 3 opportunities for entering this market?"
  4. Claude synthesizes the research into actionable strategic recommendations

Investigate Technology Trends

Research emerging technologies, adoption patterns, and industry shifts to inform product and investment decisions.

  1. Ask Claude: "Research the current state and trajectory of [technology] using deep-research"
  2. Claude delivers a comprehensive analysis covering adoption, maturity, key players, and use cases
  3. Ask: "Where is this technology on the adoption curve and what are the risks of adopting it now?"
  4. Claude provides a risk-adjusted recommendation for timing your technology adoption

Research Regulatory Compliance Requirements

Investigate regulatory requirements for your industry or product to understand compliance obligations and risks.

  1. Ask Claude: "Research the regulatory compliance requirements for [industry/product] in [jurisdiction] using deep-research"
  2. Claude delivers a structured analysis of applicable regulations and compliance obligations
  3. Ask: "What are the most common compliance failures and how do we avoid them?"
  4. Claude identifies enforcement trends and provides specific compliance recommendations
Browse all 8 Deep Researchguides →

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Frequently Asked Questions

How deep can the research go?

You can choose from `lite`, `base`, `core`, `pro`, or `ultra`, depending on how much depth you need.

Does it cite its sources?

Yes. The report includes citations and confidence scores so you can verify the findings.

Can I limit the sources it searches?

Yes. Use `source_domains` when you want to constrain the research to specific websites.

Is the result a report or structured data?

Either. Use `output_mode: "auto"` for structured JSON with citations or `output_mode: "text"` for a markdown report.