Opik SDK Reference

Opik is an open-source LLM observability platform. This skill is a reference for the SDK. To instrument a codebase step by step (detect frameworks, add config, emit and verify a trace), use the task-shaped opik-instrument skill.

Core concepts

A trace is one execution path (one request → one response). Spans are the operations inside it and form a hierarchy.

Span types — the ONLY valid values