Last updated: 10/22/2026Last verified: 2026-10-15

Deep Review

Deep Review

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Google Research AI document reviewer that checks technical arguments, mathematical reasoning, related literature, and cross-section consistency in papers and complex documents. Includes two free reviews per week; additional reviews use your own Gemini API key at standard model token rates.

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<p>Google Research AI document reviewer that checks technical arguments, mathematical reasoning, related literature, and cross-section consistency in papers and complex documents. Includes two free reviews per week; additional reviews use your own Gemini API key at standard model token rates.</p><ul><li>Review PDFs and pasted text for technical errors, weak arguments, and missing context</li><li>Check logical consistency, mathematical statements, and related literature across document sections</li><li>Segment documents and combine parallel agent reviews into grounded feedback for human evaluation</li><li>Two free reviews per week, with additional reviews billed through your own Gemini API key</li></ul>

Details

Platform

WebAPI

Features

  • Review PDFs and pasted text for technical errors, weak arguments, and missing context
  • Check logical consistency, mathematical statements, and related literature across document sections
  • Segment documents and combine parallel agent reviews into grounded feedback for human evaluation
  • Two free reviews per week, with additional reviews billed through your own Gemini API key

Languages

en

Best for

Researchers stress-testing manuscripts before conference submissionEngineers reviewing technical proposals and design-document assumptionsKnowledge workers checking arguments and internal consistency in complex documents

Known limitations

  • Requires Google Account sign-in to submit documents and view results
  • Free access is limited to two reviews per week; extra reviews require a Gemini API key and variable model usage charges
  • Uploaded documents are retained for up to one year for display in the product; assess document sensitivity before uploading
  • AI feedback supports human review rather than replacing expert judgment or the official conference peer-review process

Alternatives

NotebookLM — Source-grounded research and synthesis rather than dedicated technical critique
Claude — General-purpose document analysis and iterative writing in a conversational assistant
Perplexity — Cited web research and source discovery rather than manuscript-level technical review

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