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AI ASSISTANT

LEXS

Ask a question, get an answer -- with a link to where it came from. No made-up facts, just real info from your own files.

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chat.r3 — project-hub
What are the fire rating requirements for the lobby partition?
The lobby partition requires a 2-hour fire rating per the approved fire strategy document 1. The material spec calls for Type-X gypsum board, double-layered 2. Smoke seals are required at all penetrations 3.
Sources
1 Fire-Strategy-Report-v4.pdf
2 Material-Spec-Partitions.docx
3 MEP-Penetration-Schedule.xlsx
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WHAT IT IS

An AI That Knows Your Files

LEXS reads all your documents -- standards, specs, emails, meeting notes -- and answers questions with a link to the source. You can check every answer in one click.


THE PROBLEM

Info Buried in Files

Hours Searching

Teams waste a fifth of their week digging through folders and emails looking for answers.

AI Makes Things Up

Regular AI tools make up facts. Architects can't risk wrong specs ending up in construction docs.

Only One Person Knows

Senior staff hold all the knowledge. When they're out, everyone's stuck.


CORE WORKFLOWS

From Question to Sourced Answer

Step 01
Ask
Type your question in natural language, just like messaging a colleague.
Step 02
Retrieve
LEXS searches all your files -- by meaning and by keywords.
Step 03
Answer
AI builds an answer based on the documents it found.
Step 04
Source
Every part of the answer links to the document it came from. Click and see.

KEY FEATURES

Built to Be Trusted

Source Links

Every sentence in the answer has a number. Click it and jump straight to the paragraph in the document.

Document View

Side panel shows the exact section in the document the answer came from, highlighted and marked.

All Your Files

Load PDFs, Word, Excel, emails, and Slack chats. Everything in the office becomes searchable.

Chat History

All questions and answers are saved per project. Search what's been asked before.

Knows Your Office

LEXS understands your project structure, team roles, and how you name things -- so answers are more accurate.

Multiple AI Models

Choose between GPT-4, Claude, or Gemini per question. Each model is better at different things.

Clear Boundaries

The admin sets what the AI can and can't answer. No off-topic responses, no made-up info.


USE CASES

How Teams Use LEXS

Spec Lookup
Find a material spec, fire rating, or code requirement in seconds -- even across thousands of documents.
New Hire
New team members get instant answers about office standards, templates, and project history -- from day one.
Client Meeting Prep
Before a client meeting, pull facts and figures from the project file in seconds.
Quality Check
Compare drawings against approved specs. LEXS flags mismatches and shows where it found the info.