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
33,579Last commit
11 hours agoLicense
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
7,521Last commit
10 hours agoLicense
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
6,095Last commit
9 hours agoLicense
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:
Full observability for AI agents in production
Stars
4,597Last commit
2 days agoLicense
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:
Build reliable LLM apps with integrated workflows
Stars
4,519Last commit
8 hours agoLicense
MIT
Open-source LLMOps platform providing prompt management, evaluation, and observability tools for building robust AI applications with team collaboration.
Open Source Alternative to:
Powerful observability made simple for developers
Stars
4,435Last commit
8 hours agoLicense
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
3,187Last commit
2 days agoLicense
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:
LLM observability: cost, latency, and traces in one place
Stars
12Last commit
3 days agoLicense
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
7Last commit
2 months agoLicense
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:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
Openlane