LangSmith vs Patronus
A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.
 LangSmith Evaluation | Patronus Evaluation | |
|---|---|---|
| Tagline | LangChain's eval + observability platform. | Automated LLM evaluation for hallucinations, safety, and quality. |
| Category | Evaluation | Evaluation |
| Pricing | Freemium· Developer: $0 · Plus: $39 · Enterprise: Custom pricing | Paid· Individual: Free · Base: $25 · Enterprise: Contact us for Pricing |
| Model | Platform (any LLM) | Platform (any LLM) |
| Editorial score | 8.7 / 10 | 7.8 / 10 |
| Use cases | LLM tracingevalsLangChain integration | hallucination detectionsafetyenterprise evals |
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| Website | www.langchain.com | www.patronus.ai |
Pick LangSmith if
- ✅ Tight LangChain integration
- ✅ Strong tracing UX
- ✅ Mature dataset/eval flows
- ✅ Reasonable per-seat pricing
Pick Patronus if
- ✅ Strong automated evaluators
- ✅ Enterprise-grade
- ✅ Real research backing
- ✅ Compliance-friendly