What is Capability?
What a model can do reliably enough to build on, measured on your own tasks rather than a demo. Capabilities are uneven, so a model can excel at one task and stumble on a neighboring one.
demo 1 of 1 · real crates 36 of 40
In AI product work, a capability is…
Write it in your own words in the app.
In real work
Before scoping contract review, the PM ran 40 real contracts through the model to see whether clause extraction was a dependable capability or a lucky demo.
In the illustration
The hoist lifts the polished demo weight once with ease. Then the conveyor feeds 40 real crates of mixed sizes; it lifts 36 and stalls on 4. The capability is 36 of 40, not the demo.
Test one capability in your model: run these 30 real contracts through clause extraction, mark each result right or wrong, and tell me where it fails before we put it on the roadmap.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.
Learn the next term tomorrow.
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