Langfuse
AI
v4.79.0
Langfuse is an open-source platform for LLM engineering that assists teams in building, monitoring, evaluating, and debugging AI applications.todayMITDockerDemoAdvanced
Self-hosted alternatives to Arize
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Also in AI
Not listed as Arize alternatives, but they cover the same ground and are worth a look.
heliconeHelicone is a self-hosted, open-source LLM observability platform and AI gateway for 100+ models with cost tracking, agent tracing, prompt management, and a playground.
litellmSelf-hosted gateway unifying 100+ LLM providers under one OpenAI-compatible API with usage tracking, safety controls, and admin console.
GozarA self-hosted gateway presenting an OpenAI-style API while managing upstream credentials, fallback logic, and usage tracking for each project.
mcp-context-forgeAn AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.
orbitSelf-hosted AI gateway connecting private data to local or hosted LLMs via one OpenAI-compatible API with built-in auth, quotas, audit logs, and admin UI.
nexusSelf-hosted AI router unifying MCP servers and LLM providers (OpenAI, Anthropic, Google, Bedrock) with OAuth2, rate limiting, and OpenTelemetry.
About these Arize alternatives
1 open-source, self-hosted alternatives to Arize are listed here, ranked by popularity, maintenance and documentation.
- Highest rated
- Langfuse (37 371 GitHub stars, MIT license, written in Typescript)
- Docker
- 1 of the top 1 ship an official Docker image
- Recently updated
- Langfuse v4.79.0 on 2026-11-12
Arize alternatives compared
| Project | License | Language | Stars | Docker | Setup | Latest release | Score |
|---|---|---|---|---|---|---|---|
| Langfuse | MIT | Typescript | 37 371 | Yes | Advanced | v4.79.0 | 85 |