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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 โ€” 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. Checked 2026-08-26 against this manifest.

What you can do

  • research โ€” 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 โ€” 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 โ€” retain the returned job ID and poll it through the supported client flow until complete

Getting started

Try research on the global AI agent platform market with the pro processor, then open primary citations. Representative manifest-schema shape: run_id, content, citation_count [redacted]. Source coverage is not guaranteed; timing varies.

Information

Price
From $0.005
Billing
The final price is shown before running. Failed paid calls do not charge.
Provider
Parallel AI
Parallel AI API Key
Optional: use your own Parallel AI key instead of the platform default ยท Get key

Guides using Deep Research

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.

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