AIchitect
StacksGraphBuilderCompare
123 tools · 10 stacks
GitHub

AI tools are all over the place. This is the full landscape — 123 tools across 12 categories, mapped and connected. Ready to narrow it down? Build your stack →

Stack Layers
What are you building and how is it defined?
How do you write and ship code?
How does your AI think and act?
Which models and infrastructure power it?
How do you build, observe, and extend it?
React Flow mini map
Press enter or space to select a node.You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
These tools competes with
LangChain
vs
Haystack

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
Field
LangChain
Haystack
Category
Pipelines & RAG
Pipelines & RAG
Type
OSS
OSS
Free Tier
✓ Yes
✓ Yes
Plans
—
deepset Cloud: Custom
Stars
⭐ 93,000
⭐ 18,000

LangChain

Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.

Haystack

deepset's open-source framework for building production NLP and LLM pipelines. Strong focus on RAG, search, and document AI use cases.

LangChain Website ↗GitHub ↗
Haystack Website ↗GitHub ↗

Shared Connections (3)

LlamaIndexQdrantPinecone

Only LangChain (21)

OpenHandsCrewAIAutoGenLangGraphSemantic KernelLangSmithChromaWeaviate

Only Haystack (1)

LangChain
See full comparison in Explore →