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Pydantic Logfire vs Agent Evidence Recorder

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Pydantic Logfire compared with Agent Evidence Recorder
DetailPydantic Logfire logo Pydantic LogfireAgent Evidence Recorder logo Agent Evidence Recorder
What it doesProduction-grade AI and general observability built on OpenTelemetry Audit-ready evidence layer for AI agent runs
StageEstablished Not given
Founded2018 Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingPersonal: Free with 10 million records/month hard-capped at $0. Team: $49/month with 10 million records included, $2 per million additional. Growth: $249/month with everything in Team plus unlimited seats and up to 90-day retention. Enterprise: Custom pricing for Cloud, Dedicated, or Self-hosted opt Not given
Key features
  • Real-time cost tracking and model usage analytics
  • SQL query interface for traces and logs
  • Integrated evals framework for AI output evaluation
  • AI Gateway for centralized LLM API management
  • Feature flags and managed variables without redeploy
  • Chronological agent run timeline
  • Model, tool, human-approval and error events
  • Redaction findings stored as hashes only
  • Hash-anchored, append-only evidence chain
  • Portable JSON audit packet export
  • Verified human approval with signed binding
  • Offline verification with signed receipts
  • Event queueing and retry logic
What makes it different
  • Works with any language via standard OpenTelemetry, not proprietary SDKs
  • Traces full application stack, not just LLM layer
  • Integrated evaluation framework with production datasets and live evals
  • Querying production telemetry with standard PostgreSQL SQL
  • Built by the team behind Pydantic with 60K+ GitHub stars
  • Sensitive data never stored in the clear, only hashes preserved
  • Portable JSON packets verifiable outside the system
  • Verified human approvals with signature binding
Community votes00
DR (Domain Rating by Ahrefs)83 no change since last check18 no change since last check
Trust Flow (Majestic)300
Citation Flow (Majestic)5412
Referring domains (Majestic)78803

4 details filled in for both companies.

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