Library / SDK
Observability & Evaluation
OpenLIT
1OpenTelemetry-native 2observability 3for 4your 5LLM 6applications.
the six Ws · specification
W1
Who
By OpenLIT.
W2
What
Emits OpenTelemetry traces and metrics for LLMs, vector DBs, and GPUs.
W3
Where
A self-hosted stack plus an SDK.
W4
When
When you want vendor-neutral LLM telemetry.
W5
Why
Standards-based observability you can self-host.
W6
With
OpenTelemetry and a backend store.
W7
Watch
Apache-2.0 open-source; self-hosted, telemetry stays in your stack.
alternatives
OpenTelemetryTracingSelf-hosted