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Contract & policy comparison

Compare versions, obligations, deadlines, and exceptions clause by clause to help reviewers locate changes and issues requiring judgment.

What to prepare

Inputs

Documents to compare, version dates, clauses of interest, and review criteria.

What to produce

Deliverables

Clause-by-clause differences, source locations, obligations and deadlines, and review questions.

Step-by-step workflow

Break the work into verifiable stages, then choose models and supporting tools.

  1. 01

    Recover document structure

    Parse text, tables, and scans, preserving clause numbers and links to appendices.

  2. 02

    Align version differences

    Compare additions, deletions, and edits, retaining original wording rather than summaries alone.

  3. 03

    Extract key constraints

    Organize responsible parties, triggers, deadlines, exceptions, and cross-referenced clauses.

  4. 04

    Hand over for professional review

    Deliver questions with evidence locations. Responsible professionals make substantive and final decisions.

Required model capabilities

Combine models for the actual stages. The directory includes candidates matching one or more of these capabilities.

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Supporting tools

PDF / OCRDocument version comparisonClause index

Selection & delivery checks

  • Compare long-text comprehension, cross-clause reasoning, and scanned-document understanding.
  • Verify cited laws and effective dates against official texts.
  • Automated comparison supports review and does not replace professional judgment.

An example request

Read scanned contracts, compare two versions, and list clause changes, obligations, and deadlines with source pages and questions for professional review.
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