Logfire
Observability platform by the Pydantic team
About
OpenTelemetry-based observability platform built by Pydantic. Tight integration with PydanticAI for tracing agent runs and LLM calls with structured data.
Choose Logfire when…
- •You want Pydantic-native observability for Python apps
- •Structured logging and tracing in one tool matter
- •You're already using Pydantic in your Python stack
Builder Slot
Traces every LLM call, eval, and cost so you know exactly what your stack is doing
Other tools in this slot:
Stack Genome Detection
AIchitect's Genome scanner detects Logfire in your project via these signals:
logfireLOGFIRE_TOKENIntegrates with (1)
Logfire is PydanticAI's native observability platform — traces are sent automatically with zero configuration.
→ First-class PydanticAI observability: every agent run, tool call, and structured output captured with full Pydantic type metadata.
Alternatives to consider (2)
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