LangSmith vs Braintrust
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
LangSmith
LangChain's platform for tracing, evaluating and deploying agents
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Braintrust
Evals and production tracing for teams shipping AI agents
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| RECATOOLS Score | 7.9 / 10 | 7.5 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Freemium |
| Free tier | Developer: $0 for 1 seat with 5k base traces a month, then pay as you go | Starter: $0 a month, unlimited users, $10 of model credits, 1 GB processed data, 10k scores, 14-day retention; no credit card |
| Paid from | $39/seat/month (Plus, 10k base traces a month included), then usage | $249/month (Pro, $100 of model credits) plus metered data and scores |
| Has API | ✓ | ✓ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✓ |
| Users | — | — |
| Founded | 2023 | 2023 |
| Maker | LangChain Inc. | — |
| Verdict | LangSmith is the most complete option for teams already on LangChain or LangGraph, where tracing works almost out of the box, and it is no longer tied to that stack: SDKs and OpenTelemetry bring in any framework. Evals,... |
Braintrust has the most complete trace-to-dataset-to-experiment loop we have seen for teams that treat evaluation as engineering. Loop drafts scorers and datasets, Patterns surfaces recurring production failures, and Bra... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.