HaystackOpen-source framework and enterprise platform for AI agents and RAG applications.
vs
LangGraphLow-level orchestration framework and runtime for long-running, stateful agents.
Comparison · AI Agents · weekly run Nov 3
Haystack vs LangGraph
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangGraph is the stronger AI pick in AI Agents: it has a visibility score of 24.4 versus 0 for Haystack.
Choose Haystack if…
- You need SOC 2 Type 2 (vendor claim, not an independent report) coverage
Choose LangGraph if…
- You want the brand AI engines rank higher (24.4 vs 0)
- You need SOC 2 Type II or ISO 27001:2022 or GDPR or HIPAA coverage
- Production standard for stateful, multi-agent workflows
- Strong engineering control for complex, cyclical agent logic
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Haystack | LangGraph |
|---|---|---|
| Visibility score | 0% | 24.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #76 | #4 |
| Share of voice | 0% | 5.3% |
| Mentions this run | 0 | 33 |
| Positive in AI answers | — | 44% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Haystack 0pp · LangGraph 0pp over 0 weekly runs.
Engine by engine
LangGraph leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
HaystackLangGraph
Head to head in AI answers
0 engine answers name both brands
0Haystack ranked higher
0LangGraph ranked higher
Features, pricing & fit
| Dimension | Haystack | LangGraph |
|---|---|---|
| Deployment | Managed cloud, self-hosted, and sovereign or air-gapped environments, including STACKIT for sovereign European cloud | SaaS in US and EU regions, plus self-hosted and hybrid options available on Enterprise only. |
| Compliance | SOC 2 Type 2 (vendor claim, not an independent report) | SOC 2 Type II, ISO 27001:2022, GDPR, HIPAA |
| Founded | 2018 | — |
| Headquarters | Berlin, Germany | San Francisco |
| Employees | 51–200 | — |
| Funding | Round led by Balderton Capital, with GV, Harpoon, System.One and Lunar participating · $46M raised | Series B |
| Best for | Teams building AI agents and RAG applications with Python | Teams building long-running, stateful AI agents. |
Pros and cons
Themes from the AI answers that mention each brand
Haystack
Profile in progress.
LangGraph
- Production standard for stateful, multi-agent workflows
- Strong engineering control for complex, cyclical agent logic
- Widely adopted open-source developer framework
- Best choice for autonomous AI agents
- Heavy developer framework that requires coding effort
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Haystack vs LangGraph”, https://slateindex.ai/compare/haystack-vs-langgraph, data of Nov 3, 2026. Licence: CC BY 4.0.