OpenLIT
Trace LLMs and AI agents with OpenTelemetry, run evaluations, manage prompts, compare models, and self-host for free. Built for AI-native development workflows.
OpenLIT is an open-source alternative to:

OpenLIT is an open-source platform designed to streamline AI-native development workflows by providing comprehensive observability, evaluation, and management capabilities for LLMs and AI agents.
Key Features
- AI Observability: Trace LLMs and AI agents using OpenTelemetry for real-time monitoring and debugging.
- LLM Evaluations: Run automated evaluations to assess model performance and reliability.
- Prompt Management: Centralize and version-control prompts for consistent AI outputs.
- Model Comparison: Compare different AI models to optimize cost, performance, and accuracy.
- API Key Vault: Securely store and manage API keys for AI services.
- Self-Hosting: Deploy OpenLIT on-premises or in your cloud for full data control.
- Apache 2.0 License: Free and open-source under a permissive license.
Tech / Self-Hosting
OpenLIT is built with modern technologies and supports self-hosting for complete data privacy. The platform is designed to integrate seamlessly with existing AI workflows and infrastructure, making it ideal for enterprises and developers prioritizing control and compliance.