LangSmith
Tracing, evals and monitoring for LLM applications.
Full LangSmith record →Head to head
LangSmith vs Hugging Face
LangSmith (LangChain) and Hugging Face (Hugging Face) both sit in Infrastructure & Serving. Hugging Face is the cheaper entry point at Free tier · from $9/mo. Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | LangSmith LangChain | Hugging Face Hugging Face |
|---|---|---|
| Segment | Infrastructure & Serving | Infrastructure & Serving |
| Version | 2025 | Hub |
| Entry cost | Free tier · from $39/mo | Free tier · from $9/mo |
| Pricing tiers | — | — |
| Model stack | model-agnostic | hosts most open weights |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 0 |
| Origin | Global | Global |
| Capabilities | Traces, Datasets, Evaluators | Model hub, Inference endpoints, Spaces |
Hugging Face
The model and dataset registry the open ecosystem runs on.
Full Hugging Face record →