Frameworks

Haystack

Deepset's production-oriented framework for search, RAG, and agent pipelines.

As of 1 September 2026, Haystack ranks 4th of 34 in Frameworks on the Agent Reality Index — scored 63.0 of 100, led by market demand.

#463.0Index / 100

Score breakdown

Market demand72
Developer adoption53
Real usage70
Momentum42
Production readiness78
Community43

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

Real-world demand

17kGoogle searches / mo
5.1kAI / LLM searches / mo
17kProduct-site visits / mo
26kGitHub stars
772kPackage downloads / mo

Demand measured via Product-site traffic · confidence: medium

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Common questions

Haystack — frequently asked questions

What is Haystack?

Deepset's production-oriented framework for search, RAG, and agent pipelines. It is tracked in the Frameworks category of the Agent Reality Index.

What is Haystack's Agent Reality Index ranking?

As of 1 September 2026, Haystack ranks 4th of 34 in Frameworks, with an overall Agent Reality Index score of 63.0 of 100.

How is Haystack 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 Haystack open source?

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

How popular is Haystack?

Measured 1 September 2026, Haystack draws about 17k Google searches a month, around 5.1k AI and LLM searches, roughly 26k GitHub stars, about 772k package downloads a month. Demand confidence is rated medium.

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