Revit: what it does, and how AI takes the counting and checking off your plate

What does Revit actually do?

Revit is Autodesk's software for building information modelling, often called BIM. Instead of drawing each plan by hand, the designer builds one model of the building. Plans, sections, elevations and schedules all come out of that same model.

Change a wall in the model and every sheet that shows that wall changes too. That is the big promise. The drawings stay in step with each other because they share one source.

Each part of the model carries data. A door knows its size, its fire rating and which room it sits in. That is why a Revit model can answer questions that a flat drawing cannot.

How widely is Revit used?

Autodesk does not publish a Revit user count. It does report revenue by product family. Its building and construction family, which includes Revit, brought in about $2.94 billion in the year to January 2025, up 14% on the year before.

Revit's product family by the numbers

2.94BUS dollars of Autodesk building and construction revenue, fiscal 2025

14%Growth in that product family over the year before

Across all its products, Autodesk reported about 7.79 million subscriptions for the same year. That is a company total, not Revit seats, so treat it as a sense of scale only.

For a contractor the number that matters is closer to home. If your architects and engineers send Revit models, your team needs a way to read them, even if nobody in your office draws in Revit.

Where does Revit slow a team down?

Revit is powerful, and that power has a cost. Seats are expensive for a small firm, the learning curve is steep, and big models can get slow to open and save.

Most of the lost time sits around the model, not inside it. An estimator wants a door count, so someone with Revit skills stops what they are doing to run a schedule. A new version arrives and nobody is sure what changed. A sub asks a question and the answer is on sheet A-402, if you can find it.

None of those jobs need a designer. They need someone patient who can read the model and write down what they find.

Your Revit person should be designing, not running door counts for the estimator.

How can an AI Employee help with Revit?

An AI Employee can be set up to read the model or its exports and pull out what your team asks for. Counts of doors, fixtures or rooms come back with the level and sheet they came from, so a person can check them fast.

Revit

When a new version lands, it can compare it with the last one and draft a list of what moved, what was added and what was removed. That list is a starting point for review, not the final word.

It can also answer the everyday questions. What is the ceiling height in room 214? Which doors are fire rated? The answer points back to the sheet so nobody has to take it on faith. You can try the free revision compare tool on two of your own sheets today.

How would we set it up?

Revit has a well documented way for developers to add their own tools, and models can also be exported to open formats. We pick the route that fits how your files arrive.

Start with one job your team repeats every week. A checked door count or a change list on one project is a better first test than every model on every job.

1. Pick one repeat job, such as counting doors or listing changes between versions.
2. Gather a past model and the answer your team already checked.
3. Confirm how the model can be read, inside Revit or from an export.
4. Set the rule that gaps get flagged, never guessed.
5. Have the person who owns the job review the output before it is used.

Do we need more Revit seats?

Look at who builds the model and who only reads it. Designers need Revit. Estimators and project managers who mainly look things up may not need a seat if an AI Employee can answer their questions from the model.

For some drawing work, an AI Employee can also work in Bonsai, the free BIM tool, where the file format allows. We test that first, because a smaller licence bill only helps if the drawings still meet the job.

Your designers stay in charge of the model. The AI Employee does the looking up. See what it does for builders.