LangSmith vs Semantic Kernel
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangSmith is the stronger AI pick in AI Agents: it has a visibility score of 3 versus 0 for Semantic Kernel.
Choose LangSmith if…
- You want the brand AI engines rank higher (3 vs 0)
- You need SOC 2 Type II or HIPAA or GDPR or ISO 27001 (Engine feature) coverage
- strong production observability
- tracing, debugging and response evaluation
Choose Semantic Kernel if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangSmith | Semantic Kernel |
|---|---|---|
| Visibility score | 3% | 0% |
| Change vs last week | New | New |
| Rank in AI Agents | #31 | #80 |
| Share of voice | 0.9% | 0% |
| Mentions this run | 6 | 0 |
| Positive in AI answers | 17% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangSmith 0pp · Semantic Kernel 0pp over 0 weekly runs.
Engine by engine
LangSmith leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | LangSmith | Semantic Kernel |
|---|---|---|
| Deployment | Cloud, Bring Your Own Cloud, and Self-hosted | Self-managed or Azure |
| Compliance | SOC 2 Type II, HIPAA, GDPR, ISO 27001 (Engine feature) | — |
| Founded | — | 2023 |
| Headquarters | San Francisco, California | Redmond, Washington |
| Employees | — | 5,000+ |
| Funding | Series B | — |
| Best for | — | Developers adding AI models to C#, Python, or Java applications |
Pros and cons
Themes from the AI answers that mention each brand
LangSmith
- strong production observability
- tracing, debugging and response evaluation
Semantic Kernel
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LangSmith vs Semantic Kernel”, https://slateindex.ai/compare/langsmith-vs-semantic-kernel, data of Nov 3, 2026. Licence: CC BY 4.0.