LangSmith vs Rasa
LangSmith and Rasa are both AI Platforms tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | LangSmith | Rasa |
|---|---|---|
| Vendor | LangChain | Rasa |
| Rating | ★ 4.4 | ★ 4.4 |
| Pricing | Freemium | Freemium |
| Platforms | Web, API | Self-host, Cloud, API |
| Key features | Full trace visibility for chains & agents, Dataset + evaluation workflows, Prompt playground with versioning | CALM / flow-based assistants, Bring-your-own LLM, Self-host or Rasa Pro |
| Headquarters | San Francisco, USA | Berlin, Germany |
| Founded | 2023 | 2016 |
| Open source | No | Yes |
Key differences
- LangSmith and Rasa share the same user rating (4.4★).
- Both LangSmith and Rasa use a Freemium model.
- Rasa is open source (its code is public), while LangSmith is proprietary.
- LangSmith runs on Web, API; Rasa runs on Self-host, Cloud, API.
Frequently asked questions
Is LangSmith or Rasa better?
LangSmith and Rasa are rated equally (4.4★) by users, so the better choice depends on your needs — see the feature and platform comparison above.
Which is cheaper, LangSmith or Rasa?
Both LangSmith and Rasa use a Freemium pricing model.
Are LangSmith and Rasa open source?
Rasa is open source, while LangSmith is proprietary.