HaystackOpen-source framework and enterprise platform for AI agents and RAG applications.
vs
LlamaIndexTurn any document into agent-ready context.
Comparison · AI Agents · weekly run Nov 3
Haystack vs LlamaIndex
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LlamaIndex is the stronger AI pick in AI Agents: it has a visibility score of 2.2 versus 0 for Haystack.
Choose Haystack if…
- You need a self-hosted or on-premises option
- You need SOC 2 Type 2 (vendor claim, not an independent report) coverage
- You prefer a larger, established vendor (51–200 employees)
Choose LlamaIndex if…
- You want the brand AI engines rank higher (2.2 vs 0)
- You need SOC 2 Type II or GDPR or HIPAA coverage
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Haystack | LlamaIndex |
|---|---|---|
| Visibility score | 0% | 2.2% |
| Change vs last week | New | New |
| Rank in AI Agents | #76 | #41 |
| Share of voice | 0% | 0.8% |
| Mentions this run | 0 | 5 |
| Positive in AI answers | — | 20% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Haystack 0pp · LlamaIndex 0pp over 0 weekly runs.
Engine by engine
LlamaIndex leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
HaystackLlamaIndex
Head to head in AI answers
0 engine answers name both brands
0Haystack ranked higher
0LlamaIndex ranked higher
Features, pricing & fit
| Dimension | Haystack | LlamaIndex |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $50 / mo |
| Free plan | — | Yes |
| Deployment | Managed cloud, self-hosted, and sovereign or air-gapped environments, including STACKIT for sovereign European cloud | LlamaParse runs as SaaS on a secure cloud tenant, or can be deployed in a customer's private VPC across cloud providers. |
| Compliance | SOC 2 Type 2 (vendor claim, not an independent report) | SOC 2 Type II, GDPR, HIPAA |
| Support | — | Community, Basic (email), Priority (Slack Connect), Dedicated |
| Founded | 2018 | — |
| Headquarters | Berlin, Germany | San Francisco, California, United States |
| Employees | 51–200 | 11–50 |
| Funding | Round led by Balderton Capital, with GV, Harpoon, System.One and Lunar participating · $46M raised | Strategic minority equity investments (Databricks, KPMG) · $28M raised |
| Best for | Teams building AI agents and RAG applications with Python | Teams in document-heavy industries such as finance, insurance, healthcare and manufacturing that need accurate parsing of complex tables, charts and scanned pages. |
Plans side by side
Haystack
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Haystack
Profile in progress.
LlamaIndex
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Haystack vs LlamaIndex”, https://slateindex.ai/compare/haystack-vs-llamaindex, data of Nov 3, 2026. Licence: CC BY 4.0.