Haystack vs Langflow
| Tagline | Open-source framework for LLM apps and search | Visual builder for AI agents and RAG workflows |
|---|---|---|
| Category | AI Agents | AI Agents |
| Pricing | Open Source | Open Source |
| Upvotes | 0 | 0 |
| Comments | 0 | 0 |
| Page views | 0 | 0 |
| Click-through to site | 0.0% | 0.0% |
| Readiness Score | 81/100 | 86/100 |
| Launched | Oct 5, 2026 | Oct 5, 2026 |
| Maker | — | — |
What is Haystack?
Haystack by deepset is a Python framework for building RAG pipelines, agents and search systems with modular components.
What is Langflow?
Langflow is a low-code, open-source tool for designing and deploying AI agents and retrieval workflows with a drag-and-drop canvas.
Not sold on either? See alternatives to Haystack or alternatives to Langflow.
Verdict
Langflow leads on 1 of the measurable metrics above (votes, engagement, click-through and readiness). Choose Haystack if you want open-source framework for LLM apps and search; choose Langflow if you want visual builder for AI agents and RAG workflows.
Is Haystack better than Langflow?
On AskableHQ's community and engagement data, Langflow currently performs better, but the right choice depends on your use case.
Which is cheaper, Haystack or Langflow?
Haystack is Open Source; Langflow is Open Source. Check each website for current plans.