LLM Observability

Unified observability & evaluation platform for LLM/agent applications — tracing, dashboards, alerts, feedback & evaluation.

Open-source observability & evaluation platform for LLM/agent applications — tracing, metrics, datasets, prompt versioning, UI, self-hostable.

Open-source LLM observability and evaluation platform from Arize — built on OpenTelemetry, runs locally or self-hosted with rich tracing UI.

Open-source OpenTelemetry-based observability for LLMs — vendor-neutral SDK that emits standard OTel traces consumable by any backend.

Open-source LLM evaluation and observability platform from Comet — tracing, evaluation datasets, prompt playground with self-hosted and cloud options.