Home / Open source / logfire
logfire
pydantic/logfire · Enterprise stack · Enterprise
AI observability platform for production LLM and agent systems.
Verified via GitHub API
- fastapi
- logging
- observability
- openai
- opentelemetry
- pydantic
- python
- trace
- metrics
- ai
- ai-tools
- pydantic-ai
- agent-observability
- ai-observability
- evals
- llm-observability
Data from GitHub API, refreshed Oct 17, 2026
- Stars
- 4516
- Forks
- 321
- License
- MIT
- Language
- Python
- Last commit
- Oct 16, 2026
- Latest release
- v5.2.0
- Release date
- Oct 13, 2026
- Contributors
- 142
- Open issues
- 137
Works with — from README
Source: README.md keyword match (stated in README)
logfire FAQ
Is logfire free?
logfire is open source under the MIT license. Hosted services and infrastructure may have separate costs.
How popular is logfire?
logfire has 4516 GitHub stars as of Oct 17, 2026.
Is there a hosted version of logfire?
A hosted alternative for logfire is unknown (—) in this data.
What does logfire work with?
README-stated compatibility for logfire is unknown (—).