Haystack vs LlamaIndex
| Tagline | Open-source framework for LLM apps and search | Connect LLMs and agents to your documents and data |
|---|---|---|
| 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 | 76/100 |
| 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 LlamaIndex?
LlamaIndex is a data framework for building retrieval-augmented and agentic applications over your own documents, with parsing and indexing tools.
Not sold on either? See alternatives to Haystack or alternatives to LlamaIndex.
Verdict
Haystack 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 LlamaIndex if you want connect LLMs and agents to your documents and data.
Is Haystack better than LlamaIndex?
On AskableHQ's community and engagement data, Haystack currently performs better, but the right choice depends on your use case.
Which is cheaper, Haystack or LlamaIndex?
Haystack is Open Source; LlamaIndex is Open Source. Check each website for current plans.