Observability & Evals
Alternatives to Helicone
4 observability & evals tools you can use instead of Helicone, 1 of them open source. Summaries come from each vendor's own site. Links checked Oct 16, 2026.
At a glance
Helicone alternatives compared
| Tool | What it does | Open source | Head to head |
|---|---|---|---|
| AgentOps | Tracing and debugging for AI agents. | No | Helicone vs AgentOps |
| Braintrust | Observability and evals platform for production agents. | No | Helicone vs Braintrust |
| Langfuse | Open-source tracing, evals, and observability for agents. | Yes | Helicone vs Langfuse |
| LangSmith | LangChain's tracing and monitoring platform for agents and LLM apps. | No | Helicone vs LangSmith |
Observability & Evals
All 4 alternatives
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AgentOps
agentops.aiTracing and debugging for AI agents.
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Braintrust
braintrust.devObservability and evals platform for production agents.
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Langfuse
langfuse.comOpen-source tracing, evals, and observability for agents.
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LangSmith
langchain.comLangChain's tracing and monitoring platform for agents and LLM apps.
FAQ
Questions
What are the alternatives to Helicone?
Agent Stack Directory lists 4 other observability & evals tools: AgentOps, Braintrust, Langfuse, LangSmith.
Is there an open-source alternative to Helicone?
Yes. Among the alternatives we list, these are marked open source: Langfuse.
What does Helicone do?
AI gateway with routing and LLM observability. (Summary based on helicone.ai, link checked 2026-10-16.)