CIM uses AI to read your drawings and specs and surface findings. It's powerful, but it's not magic. Reading this once will save you from the most common trust issues.

**What it's good at**

* **Reading text on drawings and specs.** Title blocks, notes, schedules, callouts. High accuracy.

* **Comparing two documents for consistency.** Architectural vs structural column grids, drawings vs spec, revision A vs revision B.

* **Finding things that *aren't* there.** Missing notes, absent details, undocumented assumptions.

* **Volume work.** Reading 400 sheets in an hour and surfacing the 30 that need a human.

**What it's not (yet) good at**

* **Counting.** Car spaces, GPOs, doors, fixtures. Don't trust quantities. Use it as a starting point and recount.

* **Measurements.** Corridor widths, room areas, setback distances. Same rule — verify on the drawing.

* **Implicit cross-document inference.** If the answer requires combining info from three documents the AI wasn't told to look at, it'll often miss it.

* **Knowing what *should* be on a drawing.** It can compare what's there to what you told it to check for, but it doesn't have construction intuition.

**Expect false positives.** Roughly 1 in 4 findings will be wrong. This is normal and we tell every customer upfront. The right mental model: *the AI is doing the first pass, you're doing the judgement call*. Always click the citation to verify before you action a finding.

**The single most common failure mode:** the AI looked at the wrong drawing.