llm-observability

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langfuse /langfuse

Star19.4k

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

open-source playground monitoring analytics evaluation self-hosted ycombinator openai observability autogen large-language-models llm prompt-engineering langchain llmops llama-index prompt-management llm-evaluation llm-observability

UpdatedDec 17, 2025
TypeScript

comet-ml /opik

Star16.8k

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

open-source playground evaluation openai hacktoberfest llm prompt-engineering hacktoberfest2025 langchain llmops llama-index llm-evaluation llm-observability

UpdatedDec 17, 2025
Python

Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.

agent open-source playground ai monitoring evaluation openai observability agentops coze langchain llmops prompt-management llm-observability agent-evaluation eino agent-observability

UpdatedDec 17, 2025
Go

Helicone /helicone

Star4.8k

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

open-source playground monitoring analytics evaluation ycombinator openai gpt large-language-models llm prompt-engineering langchain llmops llama-index prompt-management llm-evaluation llm-observability agent-monitoring llm-cost

UpdatedDec 17, 2025
TypeScript

VoltAgent /voltagent

Sponsor

Star4.2k

Open Source TypeScript AI Agent Framework with built-in LLM Observability

nodejs javascript open-source framework typescript ai mcp tts openai chatbots multiagent agents observability ai-agents rag llm chatgpt ai-agents-framework llm-observability aiagentframework

UpdatedDec 17, 2025
TypeScript

Agenta-AI /agenta

Star3.5k

The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.

prompt-engineering prompt-management llm-tools llm-framework llm-playground llm-platform llm-evaluation rag-evaluation llm-monitoring llm-as-a-judge llm-observability llmops-platform

UpdatedDec 17, 2025
Python

lmnr-ai /lmnr

Star2.5k

Laminar - open-source all-in-one platform for engineering AI products. Create data flywheel for your AI app. Traces, Evals, Datasets, Labels. YC S24.

rust open-source typescript ai monitoring analytics evaluation ts self-hosted rust-lang developer-tools agents observability aiops ai-observability llmops evals llm-evaluation llm-observability llm-workflow

UpdatedDec 17, 2025
TypeScript

memodb-io /Acontext

Star2k

Context Data Platform for Agents. Join the community❤️:https://discord.acontext.io

agent memory openai data-platform self-learning ai-agent llm llmops anthropic llm-observability self-evolving agent-development-kit agent-observability context-engineering context-data-platform

UpdatedDec 17, 2025
Go

JudgmentLabs /judgeval

Star1k

The open source post-building layer for agents. Our environment data and evals power agent post-training (RL, SFT) and monitoring.

agent open-source reinforcement-learning openai rl agents llm prompt-engineering langchain llama-index llm-evaluation langgraph llm-observability agentic-ai grpo

UpdatedDec 17, 2025
Python

palico-ai /palico-ai

Star341

Build, Improve Performance, and Productionize your LLM Application with an Integrated Framework

nodejs javascript docker typescript ai full-stack openai autogen rag llm portkey langchain anthropic llamaindex langchain-js llm-agent llm-framework llm-evaluation llm-observability

UpdatedNov 26, 2024
TypeScript

evilmartians /agent-prism

Star260

React components for visualizing traces from AI agents

react open-source typescript monitoring react-components tracing developer-tools component-library ui-components observability distributed-tracing ai-agents trace-visualization tailwindcss opentelemetry ai-monitoring llm generative-ai langchain llm-observability

UpdatedNov 14, 2025
TypeScript

langfuse /oss-llmops-stack

Star128

Modular, open source LLMOps stack that separates concerns: LiteLLM unifies LLM APIs, manages routing and cost controls, and ensures high-availability, while Langfuse focuses on detailed observability, prompt versioning, and performance evaluations.

open-source monitoring gateway self-hosted ycombinator llm llmops openai-proxy prompt-management llm-evaluation ai-gateway llm-observability llm-gateway

UpdatedFeb 15, 2025

cyberark /agentwatch

Star103

A powerful AI observability framework that provides comprehensive insights into agent interactions across platforms, enabling developers to monitor, analyze, and optimize AI-driven applications with minimal integration effort.

agent security machine-learning ai monitoring cybersecurity observability large-language-models llm agentic llm-tools llm-framework llm-observability agentic-ai

UpdatedMay 14, 2025
Python

radicalbit /radicalbit-ai-monitoring

Star82

A comprehensive solution for monitoring your AI models in production

data-science machine-learning ai monitoring artificial-intelligence observability machine-learning-engineering data-drift ai-monitoring ml-observability ai-observability llm-observability

UpdatedDec 16, 2025
Python

myscale /myscale-telemetry

Star53

Open-source observability for your LLM application.

python monitoring callback langchain llm-observability

UpdatedJan 2, 2025
Python

langfuse /langfuse-java

Star38

🪢 Auto-generated Java Client for Langfuse API

java open-source monitoring analytics self-hosted ycombinator openai observability sdk-java large-language-models llm prompt-engineering llmops langfuse llm-observability

UpdatedAug 21, 2025
Java

teilomillet /hapax

Star22

The reliability layer between your code and LLM providers.

infrastructure open-source monitoring openai infrastructure-as-code observability llm llmops anthropic llm-observability llm-gateway

UpdatedJan 6, 2025
Go

AndrMoura /streamlit-chatbot-analytics

Star7

Streamlit-based chatbot leveraging Ollama via LangChain and PostHog-LLM for advanced logging and monitoring

analytics chatbot chatbots chatbot-application streamlit llm langchain ollama llm-ops llama3 llm-observability

UpdatedMay 8, 2024
Python

VoltAgent /ai-agent-platform

Sponsor

Star7

AI agent platform for building multi-agent systems with orchestration, memory, RAG, workflows, and enterprise observability.

ai ai-agents llm-agent ai-agents-framework llm-observability ai-agent-platform

UpdatedOct 27, 2025

matdev83 /llm-accounting

Star5

A Python package for tracking and analyzing LLM usage across different models and applications. It is primarily designed as a library for integration into development process of LLM-based agentic workflow tooling, providing robust tracking capabilities.

mlops mlops-workflow llms llm-ops llm-observability agentic-workflow agentic-ai agentic-ai-development

UpdatedJul 7, 2025
Python

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