Guidance

Constrained-generation library that steers model output with grammars and templates instead of free text.

As of 1 October 2026, Guidance ranks 30th of 34 in Frameworks on the Agent Reality Index — scored 35.9 of 100, led by market demand.

#3035.9Index / 100

Score breakdown

Market demand19
Developer adoption30
Real usage66
Momentum31
Production readiness42
Community52

Why this rank: the index weights market demand most heavily — how much Guidance is actually searched for and asked about inside AI tools.

Real-world demand

20Google searches / mo
—AI / LLM searches / mo
22kGitHub stars

Demand measured via Disambiguated brand search · confidence: low — name collides with common terms, so demand is a conservative estimate.

Guidance — frequently asked questions

What is Guidance?

Constrained-generation library that steers model output with grammars and templates instead of free text. It is tracked in the Frameworks category of the Agent Reality Index.

What is Guidance's Agent Reality Index ranking?

As of 1 October 2026, Guidance ranks 30th of 34 in Frameworks, with an overall Agent Reality Index score of 35.9 of 100.

How is Guidance scored?

The index blends six real-world signals — market demand (weighted most heavily), developer adoption, real usage, momentum, production-readiness, and community — into a 0–100 score, rather than relying on GitHub stars or vendor opinion.

Is Guidance open source?

Guidance is open source; its code is publicly available on GitHub.

How popular is Guidance?

Measured 1 October 2026, Guidance draws about 20 Google searches a month, roughly 22k GitHub stars. Demand confidence is rated low.

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