# Helicone

> Open-source LLM observability and proxy

- Category: [Observability & Evals](https://ailandscape.org/category/observability-evals) › LLM Observability
- Homepage: https://helicone.ai
- Repository: https://github.com/Helicone/helicone
- X (Twitter): https://x.com/helicone_ai
- Tags: observability, llm, proxy, oss
- Added to the landscape: 2026-03-18

## Similar tools in LLM Observability

- [AgentOps](https://ailandscape.org/tool/agentops): Observability and debugging platform purpose-built for AI agents
- [Langfuse](https://ailandscape.org/tool/langfuse): Open-source LLM engineering platform for tracing and evals
- [Opik](https://ailandscape.org/tool/opik): Open-source LLM evaluation and tracing by Comet
- [Phoenix (Arize)](https://ailandscape.org/tool/phoenix-arize): Open-source AI observability and evaluation platform
- [Traceloop](https://ailandscape.org/tool/traceloop): OpenTelemetry-based LLM observability

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Part of [AI Landscape](https://ailandscape.org), an open map of the AI ecosystem. Web page: https://ailandscape.org/tool/helicone · Index for AI assistants: https://ailandscape.org/llms.txt