Document/source grounding

The assistant can answer from documents or sources you give it and show where an answer came from, rather than relying only on what the model learned in training.

What it is

Document or source grounding means the AI answers using material you provide, such as PDFs, web pages, spreadsheets or a shared knowledge base, instead of relying only on what the model learned during training. A support agent, for example, could answer from your own help pages, and an assistant could summarise a contract you upload. Anthropic API, Botpress, ChatGPT, Claude, Dust, Gemini, Lindy, Microsoft Copilot Studio, NotebookLM, Perplexity, Relevance AI, Swoep and Zapier Agents are listed with this feature.

Why it matters

General models know a lot, but they know nothing about your prices, policies, clients or internal processes, and they sometimes produce confident answers that are wrong. Grounding the answer in your own documents reduces that risk and makes answers specific to your business. You need it for customer support, internal question and answer tools and research on private files. For brainstorming or drafting from scratch, it is unnecessary.

What to check

  • Ask how many documents, which file types and how much total content can be added.
  • Test with questions whose answers you know are in your files, and with some that are not, to see whether the tool admits it does not know.
  • Check whether answers point back to the passage they came from so you can verify them.
  • Find out how updated files are refreshed and who can see the uploaded material.

Tools with Document/source grounding

  • ChatGPT logo
    Tool
    Answers questions, writes, researches, analyses and codes via web and desktop apps with built-in search and grounding.

    AI agents

    From $8/moFree plan
  • Botpress logo
    Tool
    Builds AI agents that automate customer support conversations using a visual interface and knowledge base.

    AI agents

    From $150/mo yearlyFree plan
  • Dust logo
    Tool
    Builds custom AI agents grounded in your company data and all connected business tools.

    AI agents

    From €24/mo yearlyFree plan
  • Relevance AI logo
    Tool
    Builds and deploys AI agents and multi-agent workflows for automating business tasks at scale.

    AI agents

    From $19/mo yearly
  • Claude logo
    Tool
    Answers questions, writes, researches, analyses and codes via web and desktop apps with built-in search and grounding.

    AI agents

    From $16.67/mo yearlyFree planAffiliate link
  • Zapier Agents logo
    Tool
    Create AI agents that carry out business tasks across thousands of connected applications automatically.

    AI agents

    From $33.33/mo yearlyFree plan
  • Gemini logo
    Tool
    Google's AI model API for developers building applications with text, code, image and video generation.

    AI agents

    Free plan
  • Microsoft Copilot Studio logo
    Tool
    Build and deploy AI agents for Teams, SharePoint, and custom websites using a low-code designer.

    AI agents

    From $200/mo
  • Lindy logo
    Tool
    Builds AI agents that automate recurring work across email, calendar, CRM and Slack without code.

    AI agents

    From $29.99/mo
  • Swoep logo
    Tool
    One platform over ERP, CRM and 5000+ systems: Chat with your data, Dashboards, Agents, Apps (build your own app by conversation), a data warehouse on your ERP, and the 3D Universe/Multiverse view. Self-service seats are waitlist-only; Pro includes onboarding and consultancy. Source: https://www.swoep.ai/ (read 2026-09-29).

    AI agents

    From €170/mo yearly

In AI agents ranking order; the number is each tool's place. Some of this is collected from public sources and not yet checked by us.

Also in other categories

Tools filed under other categories that have Document/source grounding.