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Pydantic Logfire

Observability from the Pydantic team.

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Proprietary freemium
ObservabilityPlatform engineer
In these stacks
Build my own agentSee what my agents do
LicenseProprietary
PriceFree tier
UsageNo model cost
Model supportmulti
Languagespython
GitHub stars—
Last activity—
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed

A general-purpose observability platform with first-class support for Pydantic AI and structured LLM tracing.

Strengths

  • Best-in-class for Pydantic AI users
  • Clean structured logging

Tradeoffs

  • Proprietary platform
  • Generalist, not LLM-only

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