HaystackOpen-source framework and enterprise platform for AI agents and RAG applications.
vs
OpenAI Agents SDKOpen-source Python and TypeScript framework for building AI agents.
Comparison · AI Agents · weekly run Nov 3
Haystack vs OpenAI Agents SDK
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
OpenAI Agents SDK is the stronger AI pick in AI Agents: it has a visibility score of 31.4 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
Choose OpenAI Agents SDK if…
- You want the brand AI engines rank higher (31.4 vs 0)
- You need SOC 2 Type 2 or ISO/IEC 27001:2022 or ISO/IEC 27701:2019 or CSA STAR Level 1 coverage
- Widely adopted platform for enterprise and developer agents
- Streamlined framework for native GPT integration and function calling
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Haystack | OpenAI Agents SDK |
|---|---|---|
| Visibility score | 0% | 31.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #76 | #2 |
| Share of voice | 0% | 5.8% |
| Mentions this run | 0 | 38 |
| Positive in AI answers | — | 45% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Haystack 0pp · OpenAI Agents SDK 0pp over 0 weekly runs.
Engine by engine
OpenAI Agents SDK leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
HaystackOpenAI Agents SDK
Head to head in AI answers
0 engine answers name both brands
0Haystack ranked higher
0OpenAI Agents SDK ranked higher
Features, pricing & fit
| Dimension | Haystack | OpenAI Agents SDK |
|---|---|---|
| Deployment | Managed cloud, self-hosted, and sovereign or air-gapped environments, including STACKIT for sovereign European cloud | Runs inside the customer's own application; the customer controls deployment, storage and approvals. |
| Compliance | SOC 2 Type 2 (vendor claim, not an independent report) | SOC 2 Type 2, ISO/IEC 27001:2022, ISO/IEC 27701:2019, CSA STAR Level 1 |
| Founded | 2018 | — |
| Headquarters | Berlin, Germany | 1455 and 1515 Third Street, San Francisco |
| Employees | 51–200 | — |
| Funding | Round led by Balderton Capital, with GV, Harpoon, System.One and Lunar participating · $46M raised | $122 billion round closed March 31, 2026 at $852 billion post-money, anchored by Amazon, Nvidia and SoftBank · $180000M raised |
| Best for | Teams building AI agents and RAG applications with Python | Teams already building on OpenAI models that want a lightweight framework to write their own agent logic. |
Pros and cons
Themes from the AI answers that mention each brand
Haystack
Profile in progress.
OpenAI Agents SDK
- Widely adopted platform for enterprise and developer agents
- Streamlined framework for native GPT integration and function calling
- Good for rapid prototyping
- Access to foundational models and agent workflows via the OpenAI Platform
- A framework rather than a complete enterprise automation suite
- Requires separate payment for OpenAI model API usage
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Haystack vs OpenAI Agents SDK”, https://slateindex.ai/compare/haystack-vs-openai-agents-sdk, data of Nov 3, 2026. Licence: CC BY 4.0.