LangChain

As of 15 June 2026, LangChain ranks 1st of 25 in Frameworks on the Agent Reality Index — scored 77.0 of 100, led by market demand.

#1 77.0 Index / 100

Score breakdown

Market demand 74
Developer adoption 88
Real usage 90
Momentum 64
Production readiness 63
Community 68

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

Real-world demand

61kGoogle searches / mo
1.5kAI / LLM searches / mo
180kGitHub stars
318081kPackage downloads / mo

Demand measured via Brand search volume · confidence: high

LangChain — frequently asked questions

What is LangChain's Agent Reality Index ranking?

As of 15 June 2026, LangChain ranks 1st of 25 in Frameworks, with an overall Agent Reality Index score of 77.0 of 100.

How is LangChain 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 LangChain open source?

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

How popular is LangChain?

Measured 15 June 2026, LangChain draws about 61k Google searches a month, around 1.5k AI and LLM searches, roughly 180k GitHub stars, about 318081k package downloads a month. Demand confidence is rated high.

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