Tools / product

Helicone

Apache-2.0 LLM observability proxy you can self-host. One line of code to monitor and evaluate.

URL: https://www.helicone.ai
GitHub: https://github.com/Helicone/helicone
Collection: AI & Agents
Language: TypeScript
License: Apache License 2.0
Stars: 6,231
Open source: Yes

llm observability self-hosted open-source

Used in stacks

Langfuse / Helicone

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Best open-source LLM observability

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