OpenAI Agents SDK vs Semantic Kernel
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 Semantic Kernel.
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
Choose Semantic Kernel if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 3
| Metric | OpenAI Agents SDK | Semantic Kernel |
|---|---|---|
| Visibility score | 31.4% | 0% |
| Change vs last week | New | New |
| Rank in AI Agents | #2 | #80 |
| Share of voice | 5.8% | 0% |
| Mentions this run | 38 | 0 |
| 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
OpenAI Agents SDK 0pp · Semantic Kernel 0pp over 0 weekly runs.
Engine by engine
OpenAI Agents SDK leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | OpenAI Agents SDK | Semantic Kernel |
|---|---|---|
| Deployment | Runs inside the customer's own application; the customer controls deployment, storage and approvals. | Self-managed or Azure |
| Compliance | SOC 2 Type 2, ISO/IEC 27001:2022, ISO/IEC 27701:2019, CSA STAR Level 1 | — |
| Founded | — | 2023 |
| Headquarters | 1455 and 1515 Third Street, San Francisco | Redmond, Washington |
| Employees | — | 5,000+ |
| Funding | $122 billion round closed March 31, 2026 at $852 billion post-money, anchored by Amazon, Nvidia and SoftBank · $180000M raised | — |
| Best for | Teams already building on OpenAI models that want a lightweight framework to write their own agent logic. | Developers adding AI models to C#, Python, or Java applications |
Pros and cons
Themes from the AI answers that mention each brand
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
Semantic Kernel
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “OpenAI Agents SDK vs Semantic Kernel”, https://slateindex.ai/compare/openai-agents-sdk-vs-semantic-kernel, data of Nov 3, 2026. Licence: CC BY 4.0.