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Helicone

Open-source LLM observability and gateway

Helicone logs and analyzes LLM requests for cost, latency and quality, and offers an AI gateway, self-hostable or managed.

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Pricing: Free plan

Platforms: Web, Self-hosted, API

Categories: AI, Monitoring

Helicone is an alternative to

LangSmith

Helicone compared with similar tools

Product	Price	Open source	Self-host	Platforms
Helicone	Free plan	Yes	Yes	Web, Self-hosted, API
Portkey	Free plan	Yes	Yes	Web, API, Self-hosted
LiteLLM	Free plan	Yes	Yes	Self-hosted, API
Langfuse	Free plan	Yes	Yes	Web, Self-hosted, API
Exceptionless	Free plan	Yes	Yes	Web, Self-hosted, API
Braintrust	Free plan	–	–	Web, API
SigNoz	Free plan	Yes	Yes	Web, Self-hosted

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Questions

Is Helicone free?

Helicone is free to start, with paid plans.

Is Helicone open source?

Yes, Helicone is open source.

Can Helicone be self-hosted?

Yes, you can run Helicone on your own server.

What platforms does Helicone run on?

Helicone is available for Web, Self-hosted, API.

What are some alternatives to Helicone?

Similar indie products include Portkey, LiteLLM, Langfuse, Exceptionless and 4 more.

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