These tools competes with
LangChainvsHaystack
The leading LLM app framework versus Composable NLP and LLM pipeline framework
Compare interactively in Explore →Choose LangChain when…
- •You want a broad, flexible LLM orchestration toolkit
- •You need integrations with many tools and data sources
- •You're prototyping or exploring LLM app patterns
Choose Haystack when…
- •You're building search-first or RAG pipelines in Python
- •Deepset's enterprise search DNA fits your use case
- •You need flexible document processing pipelines
Side-by-side comparison
Field
LangChain
Haystack
Category
Pipelines & RAG
Pipelines & RAG
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
deepset Cloud: Custom
GitHub Stars
⭐ 93,000
⭐ 18,000
Health
●85 — Active
●85 — Active
LangChain
Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.
Shared Connections3 tools both integrate with
Only LangChain (26)
OpenHandsCrewAIAutoGenSemantic KernelLangSmithChromaWeaviatepgvectorLiteLLMLangfuse
Only Haystack (1)
LangChain
Explore the full AI landscape
See how LangChain and Haystack fit into the bigger picture — 207 tools, 452 relationships, all mapped.