Library / SDK
Guardrails & Structure
Outlines
1Guaranteed 2structured 3generation 4from 5language 6models.
the six Ws · specification
W1
Who
Open-source project from dottxt.
W2
What
Constrains generation to match schemas, grammars, or regex.
W3
Where
A Python library around local or hosted models.
W4
When
When output must strictly follow a format.
W5
Why
Guarantees valid structure at generation time.
W6
With
A supported model backend.
alternatives