LangSmith vs Stagehand
LangSmith and Stagehand 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 | Stagehand |
|---|---|---|
| Vendor | LangChain | Browserbase |
| Rating | ★ 4.4 | ★ 4.6 |
| Pricing | Freemium | Free |
| Platforms | Web, API | SDK, Node |
| Key features | Full trace visibility for chains & agents, Dataset + evaluation workflows, Prompt playground with versioning | NL act / extract / observe on pages, Playwright under the hood, Open-source SDK |
| Headquarters | San Francisco, USA | San Francisco, USA |
| Founded | 2023 | 2024 |
| Open source | No | Yes |
Key differences
- Stagehand has a higher user rating (4.6★ vs 4.4★).
- LangSmith is Freemium, while Stagehand is Free.
- Stagehand is open source (its code is public), while LangSmith is proprietary.
- LangSmith runs on Web, API; Stagehand runs on SDK, Node.
Frequently asked questions
Is LangSmith or Stagehand better?
By user rating, Stagehand scores higher (4.6★ vs 4.4★). Both are capable AI Platforms tools, so review the feature comparison for your use case.
Which is cheaper, LangSmith or Stagehand?
LangSmith is Freemium and Stagehand is Free. Check each product page for current plan details.
Are LangSmith and Stagehand open source?
Stagehand is open source, while LangSmith is proprietary.