Pydantic Logfire by Pydantic
Observability platform for AI agents, services, and infrastructure with tracing, logging, and metrics.
＋ Build a stack with Pydantic Logfire Website Official pricing GitHub
Price
Free plan
paid plans from $49/mo
Free tier
Yes
10 million spans, logs, or metrics per month
SDK downloads
—
PyPI logfire
Status
—
no public status page
Pricing
| Free tier | 10 million spans, logs, or metrics per month |
|---|---|
| Cheapest paid plan | $49 a month |
| Usage price | $2 per million records |
| Good to know | Added automatically: its SDK is in 11 public agent repos we sampled. Prices read from the official pricing page. |
From the official pricing page, checked Oct 9, 2026. Prices change: confirm before you buy.
Use it from an agent
| MCP server | None found |
|---|---|
| PyPI | pip install logfire |
Alternatives to Pydantic Logfire
| API | Free | Price | SDK downloads / wk | GitHub stars | MCP |
|---|---|---|---|---|---|
| Opik Platform for tracing, testing, and evaluating AI agents and LLM applications. |
25k spans/month, 60-day retention | Free plan · paid from $19/mo | — | — |