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Claude

ClaudeHOT

Anthropic's chat product for long documents, rewriting and code

Overseas service Free quota APIFree tierInternationalAPI available
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Long documents are a common use: paste a full report, contract or paper and ask questions section by section, in Chinese or English. Rewrites give fine control over tone and structure, and code explanation and refactoring are useful. Projects keep shared material and fixed instructions together so several conversations share one background. Clause locations and data still need spot checks; do not accept content involving professional judgment at face value.

What it does

  • Long-context input for document-level Q and A
  • Rewriting and restructuring with fine tone control
  • Code explanation, generation and refactoring
  • Projects hold shared material and fixed instructions
  • Name and revisit conversations to continue a topic

Who it is for

  • A long contract or paper needs question-based lookup
  • The same background material is reused across tasks
  • A draft is correct but reads poorly and needs paragraph-level rewriting
  • You want colleagues to reuse your questioning approach

How to get started

  1. Create a Project and put background material and output rules inside
  2. Ask only the current question instead of pasting the same text again
  3. Have it cite the passage, then compare two passages with the original

Related keywords

Compiled by U2 Toolbox after checking the official site. Last updated 2026-10-22. Spotted an error or a tool we should add? Leave a note in the journal or follow the instructions on the directory home page.

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