Haystack vs LlamaIndex
Side-by-side comparison of features, pricing, and ratings
Haystack or LlamaIndex: which should you choose?
| Dimension | Haystack | LlamaIndex |
|---|---|---|
| Pricing | Free plan · paid plans on request | Free · from $500/mo |
| Best for | Engineering teams that need transparent, auditable RAG pipelines in production, Developers building agents with standardized tool calling and loop control | Engineering teams parsing invoices, filings, and due-diligence packets with dense tables and scans, RAG builders whose corpus mixes charts, handwriting, and multi-page tables |
| Standout features | Composable RAG pipelines from retrievers, generators, memory, and tools · Agent hooks to intercept and control the agent loop (3.0) · First-class skills for reusable agent capabilities (3.0) | Agentic OCR with layout-aware parsing of complex documents · OCRia-1 4B-parameter document parsing model for tables and charts · Agentic Understanding converts messy layouts into LLM-ready output |
| Viability score | 86/100 | 83/100 |
| API | Yes | Yes |
Haystack is the stronger pick for engineering teams that need transparent, auditable rag pipelines in production; LlamaIndex fits better for engineering teams parsing invoices, filings, and due-diligence packets with dense tables and scans.
Built from live tool data, last verified 2026-11-05.
Haystack is deepset's open-source Python framework for building inspectable RAG pipelines and production-grade AI agents
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LlamaParse turns messy PDFs, dense tables, and handwriting into LLM-ready structured data
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Which is better, Haystack or LlamaIndex?
The best choice between Haystack and LlamaIndex depends on your specific use case — we compare them independently on features, current pricing, integrations, and real-world signals (with an on-demand sentiment scan available for each). See the side-by-side breakdown above to match them to your needs.
What are the main differences between Haystack and LlamaIndex?
The key differences include pricing model, feature set, platform support, and skill level requirements. Review the full comparison on RightAIChoice for a detailed breakdown.
Is there a free version of Haystack or LlamaIndex?
Check the pricing section in the comparison for the latest pricing details on both tools, including free tiers, trial options, and paid plans.
What else are Haystack and LlamaIndex compared with?
If you're building sophisticated multi-step agents that need deep observability and enterprise-grade deployment, LangChain is the stronger choice with its LangSmith suite and Deep Agents. But if your
Choose LlamaIndex if you're an AI developer needing to parse complex layouts (tables, charts, handwriting) and build custom document agents with LLMs; it's open-source friendly and compliance-ready. C
Choose Versatile if you're a steel erector or GC needing real-time crane intelligence without workflow changes – it's purpose-built for that niche. Choose LlamaIndex if you need to parse complex docum
Where can you read more about Haystack and LlamaIndex?
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Analysis generated by our model pipeline from live data: