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Automation guide

How to Automate Document Summarisation with LangChain

Convert long-form documents, reports, and research papers into structured summaries with key takeaways.

The problem

Professionals in legal, finance, research, and consulting receive 50-100 pages of documents they need to act on quickly.

The outcome

Any document summarised with key points, decisions, and questions within 60 seconds. Analysts can read 10x more.

The tool

LangChain — Python/JS framework for building LLM applications.

How it works — step by step

  1. 1

    Document uploaded or received via email/Slack

  2. 2

    AI reads full document and extracts structure

  3. 3

    Summary generated with key points, decisions, and open questions

  4. 4

    Summary delivered in original channel with link to full document

About LangChain

Python/JS framework for building LLM applications. Best for developers building custom AI agents and RAG pipelines.

Strengths

  • Full control
  • RAG pipelines
  • Agent frameworks
  • Vector store integrations

Pricing

Open source. LangSmith observability from $39/month.

Documentation ↗

Related guides

Want this in production?

Altor builds document summarisation automation for US B2B companies.

We don't hand off code and disappear. We connect to your live systems, ship to production in 3 weeks, and stay until the system delivers measurable impact. Any document summarised with key points, decisions, and questions within 60 seconds. Analysts can read 10x more.

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