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Head to head · 2026

ChatDOC vs Sourcely

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

ChatDOC

Chat with PDFs where every answer cites the passage it came from, backed by its own…

3.9Free

Visit ChatDOC (opens ChatDOC in a new tab)

Sourcely

Paste a whole essay draft, get back citation-worthy sources matched to specific passages

4.2$17/mo

Visit Sourcely (opens Sourcely in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: ChatDOC does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Sourcely

    3.9 against 4.2

  • Same job?

    Yes

    Both are Research tools

Side by side

Compared onChatDOCSourcely
Our rating3.94.2Better
Starts atFree$17/mo
Free planYesYes
CategoryResearchResearch
PlansFreeFrom $17/mo
Key features
  • Answers cite the source passage in the document
  • Standalone PDF parser available as an API
  • ChatPaper for academic reading
  • Chrome and Edge extensions
  • Unlimited pages, files and folders on paid tiers
  • Paste a full essay or draft to match passages with citation-worthy sources
  • Citation generation across 700+ citation styles
  • Database of 200+ million research papers
  • Free tier with a 300-character limit
  • Built by the team also behind Yomu AI
Pros
  • Visible citations make answers checkable rather than merely plausible
  • Separate parser API signals effort went into the hard foundation
  • Handles document collections, not one file at a time
  • Passage-matching input approach is genuinely different from keyword search
  • Extremely broad citation-style support
  • Useful specifically during the later, citation-adding phase of writing
Cons
  • A citation proves provenance, not correct interpretation
  • Complex tables and scans remain hard for any parser
  • Unlimited usage sits behind the paid tiers
  • Free tier's 300-character limit is restrictive for anything beyond a short excerpt
  • Full essays and more features require a paid plan
  • Less suited to early-stage topic discovery than passage-level citation matching
CompanyChatDOCSourcely, founded 2023

Prices come from each vendor's pricing page, last checked 20260901. Check the vendor before you buy.

FAQ

Questions people ask

Is ChatDOC better than Sourcely?

In our reviews ChatDOC scores 3.9 and Sourcely scores 4.2. The better pick depends on the job. ChatDOC: Chat with PDFs where every answer cites the passage it came from, backed by its own document parser and API. Sourcely: Paste a whole essay draft, get back citation-worthy sources matched to specific passages.

Which is cheaper, ChatDOC or Sourcely?

ChatDOC: free. Sourcely: from $17/mo.

Do ChatDOC and Sourcely have free plans?

Yes, both have a free plan.

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