Side-by-side comparison · open source, apps and saas
Haystack vs LangChain
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Open Source
Haystack
Create agentic, context engineered AI systems using Haystack’s modular and customizable building blocks, built for real-world, production-ready applications.
Apps and SaaS
LangChain
LangChain provides the engineering platform and open source frameworks developers use to build, test, and deploy reliable AI agents.
Checked facts
Line by line
| Measure | Haystack | LangChain |
|---|---|---|
| Developer plan | Not checked yet | Free tier available |
| Plus plan | Not checked yet | $39.00 per seat a month |
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