About Braintrust
Observability and evals platform for production agents.
Observability & Evals
Alternatives to Braintrust
4 observability & evals tools you can use instead of Braintrust, 2 of them open source. Summaries come from each vendor's own site. Links checked Oct 16, 2026.
At a glance
Braintrust alternatives compared
| Tool | What it does | Open source | Head to head |
|---|---|---|---|
| AgentOps | Tracing and debugging for AI agents. | No | Braintrust vs AgentOps |
| Helicone | AI gateway with routing and LLM observability. | Yes | Braintrust vs Helicone |
| Langfuse | Open-source tracing, evals, and observability for agents. | Yes | Braintrust vs Langfuse |
| LangSmith | LangChain's tracing and monitoring platform for agents and LLM apps. | No | Braintrust vs LangSmith |
Observability & Evals
All 4 alternatives
FAQ
Questions
What are the alternatives to Braintrust?
Agent Stack Directory lists 4 other observability & evals tools: AgentOps, Helicone, Langfuse, LangSmith.
Is there an open-source alternative to Braintrust?
Yes. Among the alternatives we list, these are marked open source: Helicone, Langfuse.
What does Braintrust do?
Observability and evals platform for production agents. (Summary based on braintrust.dev, link checked 2026-10-16.)