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Open Source Projects tagged "Llm Observability"

A curated collection of the best open source projects tagged "Llm Observability". Each listing includes a website screenshot along with a detailed review of its features.

Open source LLM engineering platform for AI-powered applications
  • Stars


    34,509
  • Last commit


    14 hours ago
  • License


    MIT
Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.

Open Source Alternative to:

Ultra-fast AI gateway with enterprise-grade reliability
  • Stars


    7,996
  • Last commit


    8 hours ago
  • License


    Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.

Open Source Alternative to:

Build reliable AI apps with comprehensive observability
  • Stars


    6,151
  • Last commit


    1 day ago
  • License


    Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Open Source Alternative to:

Build, automate, and improve AI agents with your team
  • Stars


    4,748
  • Last commit


    10 hours ago
  • License


    MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.

Open Source Alternative to:

Full observability for AI agents in production
  • Stars


    4,636
  • Last commit


    8 hours ago
  • License


    MIT
Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.

Open Source Alternative to:

Powerful observability made simple for developers
  • Stars


    4,471
  • Last commit


    8 hours ago
  • License


    MIT
Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.

Open Source Alternative to:

AI-powered platform for engineering LLM products
  • Stars


    3,249
  • Last commit


    1 day ago
  • License


    Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.

Open Source Alternative to:

Monitor, debug, and scale LLM applications with ease
  • Stars


    2,758
  • Last commit


    1 day ago
  • License


    Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.

Open Source Alternative to:

LLM observability: cost, latency, and traces in one place
  • Stars


    13
  • Last commit


    6 days ago
  • License


    MIT
Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.

Open Source Alternative to:

Trace, evaluate, and protect every LLM call in one SDK
  • Stars


    7
  • Last commit


    18 days ago
  • License


    AGPL-3.0
An AI gateway that sits on the request path to handle PII redaction, prompt injection blocking, tracing, evals, and cost tracking for OpenAI, Anthropic, and Gemini.

Open Source Alternative to:

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