# Phoenix (Arize)

> Open-source AI observability and evaluation platform

- Category: [Observability & Evals](https://ailandscape.org/category/observability-evals) › LLM Observability
- Homepage: https://phoenix.arize.com
- Repository: https://github.com/Arize-ai/phoenix
- Tags: observability, llm, tracing, 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
- [Helicone](https://ailandscape.org/tool/helicone): Open-source LLM observability and proxy
- [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
- [Traceloop](https://ailandscape.org/tool/traceloop): OpenTelemetry-based LLM observability

---

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