OpenLIT is an open-source, OpenTelemetry-native observability and AI engineering platform that delivers zero-code instrumentation for LLMs, AI agents, vector databases, and GPU workflows. It provides comprehensive, out-of-the-box visibility through distributed traces and metrics, cost and token usage tracking, hallucination and response quality analysis, prompt and experiment versioning, and intuitive, fully customizable dashboards.
1. Zero-Code Instrumentation
2. OpenTelemetry-Native
3. End-to-End Tracing
4. Metrics and Cost Tracking
5. Hallucination and Quality Detection
6. Prompt Management and Experiment Tracking
7. Self-Hosted and Privacy-Focused
8. Dashboards and Visualization
1. Debugging AI Applications
2. Cost Optimization
3. Performance Monitoring
4. Regression Testing and Version Control
5. Monitoring AI Agents and Tools
6. Compliance and Security
7. Setting AI Service-Level Objectives (SLOs)
8. Onboarding and Knowledge Sharing

Hey Fazier! 👋👋👋 I'm Patcher, founder and maintainer of OpenLIT. After speaking with over 50 engineering teams in the past year, we consistently heard the same frustration: "We want to monitor our LLMs and Agents, but changing code and redeploying would slow down our launch." Every team told us the same story: even though most LLM monitoring tools only require a few lines of integration code, the deployment overhead kills momentum. They'd spend days testing changes, rebuilding Docker images, updating deployment files, and coordinating deployments to get basic LLM monitoring. At scale, it's worse: imagine modifying and redeploying 10+ AI services individually. That's why we built OpenLIT with true zero-code observability: no code changes, no image rebuilds, no deployment file changes. Two paths, same result - choose what fits your setup: ☸️ Kubernetes teams: helm install openlit-operator + restart your pods. Done. 💻 Everyone else: openlit-instrument python your_app.py on Linux, Windows, or Mac. That's it. We also learned teams have strong opinions about their observability stack, so while we use OpenLIT instrumentations by default, you can bring your own (OpenLLMetry, OpenInference, custom setups), and we just handle the zero-code injection part. The best part? It works with whatever you're already using - OpenAI, Anthropic, LangChain, CrewAI, custom agents. No special SDKs or vendor lock-in. See for yourself: ⭐ GitHub: https://github.com/openlit/openlit 📚 Docs: https://docs.openlit.io/latest/operator/overview 🚀 Quick Start: https://docs.openlit.io/latest/operator/quickstart We're excited to launch OpenLIT's Zero-code LLM Observability capabilities on Product Hunt today. We'll be in the comments all day and can't wait to hear your thoughts & feedback! 👇

Hey Fazier! 👋👋👋 I'm Patcher, founder and maintainer of OpenLIT. After speaking with over 50 engineering teams in the past year, we consistently heard the same frustration: "We want to monitor our LLMs and Agents, but changing code and redeploying would slow down our launch." Every team told us the same story: even though most LLM monitoring tools only require a few lines of integration code, the deployment overhead kills momentum. They'd spend days testing changes, rebuilding Docker images, updating deployment files, and coordinating deployments to get basic LLM monitoring. At scale, it's worse: imagine modifying and redeploying 10+ AI services individually. That's why we built OpenLIT with true zero-code observability: no code changes, no image rebuilds, no deployment file changes. Two paths, same result - choose what fits your setup: ☸️ Kubernetes teams: helm install openlit-operator + restart your pods. Done. 💻 Everyone else: openlit-instrument python your_app.py on Linux, Windows, or Mac. That's it. We also learned teams have strong opinions about their observability stack, so while we use OpenLIT instrumentations by default, you can bring your own (OpenLLMetry, OpenInference, custom setups), and we just handle the zero-code injection part. The best part? It works with whatever you're already using - OpenAI, Anthropic, LangChain, CrewAI, custom agents. No special SDKs or vendor lock-in. See for yourself: ⭐ GitHub: https://github.com/openlit/openlit 📚 Docs: https://docs.openlit.io/latest/operator/overview 🚀 Quick Start: https://docs.openlit.io/latest/operator/quickstart We're excited to launch OpenLIT's Zero-code LLM Observability capabilities on Product Hunt today. We'll be in the comments all day and can't wait to hear your thoughts & feedback! 👇
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