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Head-to-head comparison

LangGraph vs Haystack

Compare LangGraph and Haystack side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.

Haystack logo
Haystack
agent-frameworks

deepset's composable open-source framework for RAG and agent pipelines.

Pricing
Free plan
Rating
—
Votes
0

Feature comparison

Feature
LangGraph
Haystack
Category
agent-frameworks
agent-frameworks
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support

LangGraph pros and cons

Explicit, debuggable control over agent state and flow
MIT-licensed core, free to self-host
Model-agnostic, not tied to one LLM vendor
Strong support for cycles, checkpointing, and human-in-the-loop
Steeper learning curve than high-level agent builders
Requires comfort with graph and state concepts
Paid platform and observability are separate products

Haystack pros and cons

Composable, typed pipeline model is clear and flexible
Apache-2.0 core, free to self-host with no lock-in
Strong retrieval and search heritage
Broad integrations with model and vector stores
Engineering framework, not a turnkey app
Managed deepset pricing is largely quote-based
2.x rewrite means older 1.x tutorials are outdated

Which one should you choose?

Best overall signal
LangGraph

Selected using Toolglade popularity signals such as views and votes.

Best value signal
LangGraph

Selected using free-plan availability and engagement signals.

Best for

LangGraph

  • stateful multi-agent systems
  • human-in-the-loop workflows
  • production agent control
  • long-running agent tasks
  • Engineering teams building production agents

Haystack

  • production RAG pipelines
  • enterprise search
  • document question answering
  • composable AI systems
  • Teams building production RAG and search

FAQ

Is LangGraph better than Haystack?

It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.

Which tool has a free plan?

LangGraph and Haystack offer a free plan based on current Toolglade data.