Pydantic Logfire
Observability platform for AI apps covering model calls, agent steps, API requests and database queries in one trace
Observability tool by Pydantic
Chalk Labs
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Install
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pip install logfire
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About
Use cases: monitoring-observability, llm-evaluation
Reviews
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Fact sheet
- Category
- Tracing · opentelemetry
- Self-host
- Yespydantic.dev
- Open source
- Noraw.githubusercontent.com
- Compliance (vendor says)
- SOC 2, HIPAApydantic.dev
- Regions
- EUpydantic.dev
- Works with
- pydantic-ai, langchain, llamaindex, dspy, autogen, claude-agent-sdk, crewai, google-adk, agnopydantic.dev
- Protocols
- opentelemetry, mcppydantic.dev
Plans
| Personal | $0 | 10M telemetry records/month hard-capped at $0; 3 projects; 30-day retention; 1 seat plus 2 read-only guests |
|---|---|---|
| Team | $49/month | 10M records included, $2 per additional million; 5 seats included, $25 per extra seat; 30-day query window |
| Growth | $249/month | unlimited seats, guests and projects; up to 90-day retention; priority support and boilerplate BAA |
From the vendor's pricing page, read Oct 24, 2026.
Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.
Signals
- Stars
- 4,522
- Forks
- 336
- Open issues
- 133
- Last commit
- Oct 23, 2026 (7 days ago)
- Last release
- Oct 23, 2026 (7 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- Packages
- pypi
logfire - License
- MIT
- Repository
- github.com/pydantic/logfire
- Website
- pydantic.dev/logfire
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
More from Pydantic
Done for you
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Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
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Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
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Cite this page
Pydantic Logfire. Agent Mart. https://agentmart.dev/observability/pydantic-logfire (last updated 2026-10-24)