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Nine tools, one way of working.

Each one does a narrow job properly. They share an account, an API, and the same rule about your data.

The assistant on this site, one real run

Recorded September 2, 2026; the counts are from that run

Can HangRui Index run with a local model? Does our data leave the building?
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Can HangRui Index run with a local model? Does our data leave the building?

Yes. HangRui Index can run with a local model on your own hardware, so the documents never leave your environment 1. If you use an outside API instead, only the few selected pieces are sent — never the whole document 1.

How it answered

  1. Retrieve5/37The site is cut into pieces and every one is scored against your question. Only the highest scoring few are put in the prompt; the model never sees the rest.
  2. Answer1/5The model may answer from those pieces and nothing else. What it knows from anywhere else does not count here.
  3. Verify1/1Every citation it wrote is matched back against what was actually sent. A number it invented is left as plain text instead of becoming a link.
  • Answered from
  • [1]HangRui Index100%
  • [2]Who else touches your data68%
  • [3]HangRui Pages65%

Every number in the answer links to the page that sentence came from.

Ask one yourself
01

Knowledge

HangRui Index

Your documents, your machine, answers with sources.

Cut your company's documents into an index, connect a model, and get answers that say which page they came from. The model can be one running on your own hardware, so the documents never leave your environment.

True of all nine.

Your work stays yours

You own what you generate, commercial use included. We do not train on your content.

One account, one bill

Move between tools without a second subscription or a second login.

An API for each

Everything the interface can do is available over HTTP, with the same rate limits.

Export and leave

Projects export in open formats. Nothing you make is trapped in our file format.

Have something in mind?

Tell us what you are building and we will tell you honestly whether we are the right studio for it.