Pydantic Logfire
Pydantic Logfire is an observability platform built on OpenTelemetry that traces LLM calls, agent steps, API requests and database queries in one view, with evals and cost tracking. It has SDKs for Python, JavaScript and Rust, with a free monthly allowance.

Pydantic Logfire UK MADE FOR →Developer | Team
Code | Data Free (Limited) From $49/month