Openlit

OpenLit is an AI Agents & Automation tool that provides open-source observability for LLM and GenAI applications. It offers real-time monitoring, tracing, and evaluation tools built on OpenTelemetry, with easy integration for various LLM providers and frameworks.

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At a glance

Pricing

Open Source · Free

Free tier

Yes

API

Yes

Skill level

Technical

About

What is Openlit?

OpenLit is an open-source platform designed for AI engineering, offering comprehensive observability, tracing, and evaluation tools for LLM and GenAI applications. Built on OpenTelemetry, it allows users to monitor, debug, and improve their AI applications with features like distributed tracing, AI model evaluation, and prompt management. It supports real-time monitoring with custom SQL queries and dashboards, and multi-deployment management for unified views across environments. OpenLit integrates with a wide range of LLM providers, vector databases, and AI frameworks, and can be self-hosted for free under an Apache 2.0 license. It also offers zero-code Kubernetes observability through an operator for automatic instrumentation.

Best used for

Ideal for developers and data scientists who need to monitor, debug, and improve their LLM applications, evaluate AI models, and manage prompts. Especially valuable for teams seeking open-source, self-hosted solutions with OpenTelemetry-native integration and Kubernetes observability.

Common actions

monitor LLM performance

debug AI applications

evaluate AI models

manage prompts

trace AI interactions

application observabilityLLM performance analysisopen-source observability

Capabilities

Key features

Distributed Tracing
AI Model Evaluation
Prompt Management
Real-time Monitoring
Multi-Deployment Management
Kubernetes Observability
GPU Monitoring

Target Audience

developerdata scientistproduct managerstartup founder

Integrations

openaiollamaanthropicdeepseekgpt4allcoheremistralgithub+ 53 more

Pricing & Plans

Open Source · Free

Not publicly disclosed. Check openlit.io for current pricing.

FAQs

Is OpenLit truly free to use?

Yes, OpenLit is Apache 2.0 licensed and completely free to self-host. There are no licensing fees, usage limits, or feature gates for the self-hosted version. A managed cloud option will be available in the future for those preferring zero-ops.

What are the requirements for self-hosting OpenLit?

To self-host OpenLit, you need Docker and Docker Compose. You can run the full stack, including the UI, ClickHouse storage, and OpenTelemetry Collector, by executing `docker compose up -d` in the OpenLit repository.

Does OpenLit support GPU monitoring?

Yes, OpenLit supports GPU monitoring for both NVIDIA and AMD GPUs. By enabling `collect_gpu_stats=True` during initialization, you can collect metrics such as utilization, VRAM usage, temperature, and power draw.

Can OpenLit integrate with existing observability tools like Grafana or Datadog?

Absolutely. OpenLit is OpenTelemetry-native, allowing you to configure its OTLP endpoint to send data to any OTLP-compatible backend. This includes popular tools like Grafana, Datadog, New Relic, SigNoz, and Jaeger.

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