Pydantic Logfire
OpenTelemetry-based AI observability platform that traces model calls, agent steps, API requests and database queries in one view. SDKs are available for Python, JS/TS and Rust.
Active · Verified 2026-10-29 · fresh as of 2026-10-29 · 23 cited facts, 0 with a third-party source · 1 recorded change · Suggest a correction
At a glance
- Tier
- T3
- Created
- 2024-04-23 repo fix
- Latest release
- last commit 2026-10-29 repo fix
- License
- proprietary; Python SDK MIT vendor fix
- GitHub
- https://github.com/pydantic/logfire (4526★) repo fix
- Pricing
- searched not found fix
- Funding
- searched not found fix
- Freshness
- 2026-10-29 fix
- Layer
- agent-infra repo fix
- Licensing
- commercial vendor fix
- SDK languages
- python, rust, typescript vendor fix
- Protocols
- mcp-server, opentelemetry vendor fix
- Compliance
- gdpr, hipaa, soc2-type2 vendor fix
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
With Pydantic Logfire, traces find the problem, evals prove a change fixed it, and rollouts ship the fix without a deploy.
Technical surface
- API surface
- searched not found
- Backend storage
- searched not found
- Deployment
- searched not found
- Embedding model
- searched not found
- Multi-tenancy
- searched not found
- MCP
- searched not found
- A2A
- searched not found
- OpenTelemetry
- yes
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- Confident AI / DeepEval T2
Open-source DeepEval framework + Confident AI cloud — pytest-style eval runs, hallucination/relevance/bias metrics, datasets.
- OpenLLMetry (Traceloop) T2
Traceloop's open-source OpenTelemetry auto-instrumentation for LLM workflows — works with any OTel-compatible backend (Datadog, New Relic, Grafana, etc.).
- Helicone T2
Open-source LLM observability and AI gateway — one-line proxy integration captures every LLM call; sessions, custom properties, evals. Acquired by Mintlify in Mar 2026 and placed in maintenance mode; helicone.ai now states it is no longer part of Mintlify.
Sources (22 cited facts, 0 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is Product vendor
- What it does & what's distinct OpenTelemetry-based AI observability platform that traces model calls, agent steps, API … vendor
- Claims / benefits With Pydantic Logfire, traces find the problem, evals prove a change fixed it, and rollo… vendor
- Created 2024-04-23 repo
- Latest release last commit 2026-10-29 repo
- License proprietary; Python SDK MIT vendor
- GitHub https://github.com/pydantic/logfire (4526★) repo
- Mindshare 4526 GitHub stars repo
- OTel yes vendor
- Project & sources https://pydantic.dev/logfire ; https://github.com/pydantic/logfire vendor
- obs-langsmith yes vendor
- obs-opentelemetry yes vendor
- obs-datadog yes vendor
- obs-langfuse yes vendor
- obs-arize yes vendor
- eval-braintrust yes vendor
- licensing-bucket commercial vendor
- taxonomy-three-layer-rollup agent-infra repo
- compliance-certifications gdpr,hipaa,soc2-type2 vendor
- sdk-languages python,rust,typescript vendor
- protocol-support mcp-server,opentelemetry vendor
- maturity ga registry
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)
- 2026-10-30 Added to the catalog #347
Related systems
References (32)
- Anthropic Claude (foundation models) integrates with — Pydantic Logfire integrations docs have a Anthropic page. (verified 2026-10-29)
- AutoGen / AG2 integrates with — Pydantic Logfire integrations docs have a AutoGen page. (verified 2026-10-29)
- Claude Agent SDK integrates with — Pydantic Logfire integrations docs have a Claude Agent SDK page. (verified 2026-10-29)
- CrewAI integrates with — Pydantic Logfire integrations docs have a CrewAI page. (verified 2026-10-29)
- Dify integrates with — Pydantic Logfire integrations docs have a Dify page. (verified 2026-10-29)
- DSPy integrates with — Pydantic Logfire integrations docs have a DSPy page. (verified 2026-10-29)
- Flowise Memory integrates with — Pydantic Logfire integrations docs have a Flowise page. (verified 2026-10-29)
- Genkit integrates with — Pydantic Logfire integrations docs have a Genkit (Go) page. (verified 2026-10-29)
- Google Agent Development Kit (ADK) integrates with — Pydantic Logfire integrations docs have a Google ADK page. (verified 2026-10-29)
- Google Gemini 3 family integrates with — Pydantic Logfire integrations docs have a Google Gen AI (Gemini) page. (verified 2026-10-29)
- Goose (Block) integrates with — Pydantic Logfire integrations docs have a Goose page. (verified 2026-10-29)
- Haystack (framework) integrates with — Pydantic Logfire integrations docs have a Haystack page. (verified 2026-10-29)
- LangChain (framework) integrates with — Pydantic Logfire integrations docs have a LangChain page. (verified 2026-10-29)
- Langflow integrates with — Pydantic Logfire integrations docs have a Langflow page. (verified 2026-10-29)
- LangGraph (orchestration) integrates with — Pydantic Logfire integrations docs have a LangGraph page. (verified 2026-10-29)
- Letta / MemGPT integrates with — Pydantic Logfire integrations docs have a Letta page. (verified 2026-10-29)
- LiteLLM integrates with — Pydantic Logfire integrations docs have a LiteLLM page. (verified 2026-10-29)
- LlamaIndex (framework) integrates with — Pydantic Logfire integrations docs have a LlamaIndex page. (verified 2026-10-29)
- Mastra integrates with — Pydantic Logfire integrations docs have a Mastra page. (verified 2026-10-29)
- Microsoft Agent Framework integrates with — Pydantic Logfire integrations docs have a Microsoft Agent Framework (.NET) page. (verified 2026-10-29)
- Microsoft Semantic Kernel integrates with — Pydantic Logfire integrations docs have a Semantic Kernel page. (verified 2026-10-29)
- Model Context Protocol (MCP spec) integrates with — Pydantic Logfire integrations docs have a MCP page. (verified 2026-10-29)
- n8n (AI agent flows) integrates with — Pydantic Logfire integrations docs have a n8n page. (verified 2026-10-29)
- OpenAI Agents SDK integrates with — Pydantic Logfire integrations docs have a OpenAI Agents SDK (TypeScript) page. (verified 2026-10-29)
- OpenAI Codex CLI integrates with — Pydantic Logfire integrations docs have a Codex page. (verified 2026-10-29)
- OpenAI GPT family (GPT-5 / GPT-4o / o3 / o4) integrates with — Pydantic Logfire integrations docs have a OpenAI page. (verified 2026-10-29)
- OpenRouter integrates with — Pydantic Logfire integrations docs have a OpenRouter Broadcast page. (verified 2026-10-29)
- Phidata (now Agno) integrates with — Pydantic Logfire integrations docs have a Agno page. (verified 2026-10-29)
- Pydantic-AI integrates with — Pydantic Logfire integrations docs have a Pydantic AI page. (verified 2026-10-29)
- smolagents (Hugging Face) integrates with — Pydantic Logfire integrations docs have a smolagents page. (verified 2026-10-29)
- Strands Agents (AWS) integrates with — Pydantic Logfire integrations docs have a Strands Agents page. (verified 2026-10-29)
- Vercel AI SDK integrates with — Pydantic Logfire integrations docs have a Vercel AI SDK page. (verified 2026-10-29)
Referenced by (5)
- DBOS integrates with — DBOS integrations docs have a Pydantic Logfire page. (verified 2026-10-29)
- LiteLLM integrates with — LiteLLM docs have a Logfire observability page. (verified 2026-10-29)
- OpenAI Agents SDK integrates with — OpenAI Agents SDK tracing docs list Pydantic Logfire among external tracing processors. (verified 2026-10-29)
- Pydantic-AI integrates with — Pydantic AI docs have a Logfire integration page for instrumentation. (verified 2026-10-29)
- TrueFoundry AI Gateway integrates with — TrueFoundry AI Gateway ecosystem lists a Pydantic Logfire integration page. (verified 2026-10-29)