Helicone AI

Open-source LLM Observability for Developers

5.0•13 reviews•

1.3K followers

Open-source LLM Observability for Developers

5.0•13 reviews•

1.3K followers

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Automation tools

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AI Metrics and Evaluation

Helicone is the open-source gateway for routing, debugging, and analyzing AI applications. 1-line integration to access 100+ models, full observability, cost tracking, and prompt analytics — all in one place. The world’s fastest-growing AI companies build on Helicone.

Helicone AI Alternatives

Comparing Helicone AI’s open‑source LLM observability? Check out Langfuse for deep tracing and evals, LangSmith for managed testing and dataset runs, Trigger.dev to orchestrate agents and workflows, Deepchecks Monitoring for production drift and alerts, and LangChain for dev tooling that ties it all together.