Langfuse
8.1#1 in ai agent observability toolsFrom $29 a monthFree planWebAPILinuxSelf-hosted
VisitLangfuse vs Pezzo
What both publish
| Fact | Langfuse | Pezzo |
|---|---|---|
| Integrations | Langfuse lists more than 100 integrations spanning OpenTelemetry, Python and TypeScript, model providers, agent frameworks, gateways, and developer tools. | Pezzo documents LangChain integration for observability and monitoring, with Node.js and Python examples. |
| Observability | Hierarchical traces capture LLM calls, tool invocations, and retrieval steps, with filtering by user, session, cost, latency, and metadata. | Pezzo traces requests and collects LLM metrics including execution time, cost, and error rate. |
| Product | Langfuse is an open-source AI engineering platform that helps teams collaboratively debug, analyze, and iterate on AI agent applications. | Pezzo is an open-source toolkit for AI development. |
| Prompt management | Prompt Management provides versioning, one-click deployments, rollbacks, prompt labels, and per-version performance metrics. | Pezzo provides centralized prompt management, editing, testing, and versioning. |
| Self-hosting | The OSS edition can be deployed with Docker Compose, Kubernetes Helm, or Terraform guides for AWS, GCP, and Azure, including offline or air-gapped installations. | The full Pezzo stack can be run locally with Docker Compose; its documented components include a server, console, PostgreSQL, and Redis. |
Langfuse plans
- HobbyFree
- HobbyFree
- Core$29 a month
- Core$29 a month
- Pro$199 a month
- Pro$199 a month
Pezzo plans
No prices published.
Pick Langfuse if…
Langfuse suits teams building AI agent applications that need tracing, prompt management, and evaluation tools. It also supports teams that want to self-host the core on their own infrastructure.
Pick Pezzo if…
Pezzo suits developers and teams managing prompts, model requests, and observability in web, API, or self-hosted environments. It is especially relevant to Node.js or Python users and teams wanting an open-source proxy.