OpenLIT
Trace and evaluate LLMs with OpenTelemetry, manage prompts, and compare models.
At a glance
Starts at
$0.05 one-time
Price as published by the vendor, September 2026.
Free tier
Yes, limited
Platforms
Web, Linux, API
Best for
Developers managing AI workflows
Not for
Users needing managed cloud solutions
4.0 out of 5
Scored by Alex after real useOur verdict
Tracks LLM calls but lacks a UI for non-technical users; self-hosted for flexibility and cost control.
✓What it does well
LLM TracingTrace every call to LLMs, filter by metadata.
Prompt ManagementVersion and roll back prompts easily.
API Key StorageStore secrets in Vault outside app code.
✕Where it falls short
Limited UINo user-friendly interface for complex operations; requires scripting knowledge.
Self-Host OnlyDoes not offer a managed cloud option, requiring own infrastructure and maintenance.
Lack of AI Monitoring ToolsNo built-in LLM performance analysis or health checks other than tracing calls.
Key features
Free Self-HostingOpen source, self-hosted free under Apache 2.0 for unlimited usage.
Multi-Layer SupportSupports eBPF and SDK auto-instrumentation across Kubernetes, Docker, and Linux.
Model Comparison PlaygroundCompare LLM models side by side on real inputs with OpenGround.
Gpu MonitoringMonitor Llm Inference Performance