ZenML

Free tier

The unified layer for ML and AI — orchestrate pipelines and production agents on your existing stack

Free tier available·Technical·API available·Open source

Key strengths

Open-source Apache 2.0 AI orchestrationSelf-hostable with full infrastructure controlAgent replay on real production dataSOC 2 Type II and ISO 27001 certifiedSupports multiple orchestrators and clouds without rewriting code

Free tier + paid plans · from $39 USD/mo

Germany

Founded 2020

Self-hostable

Facts verified against zenml.io on Oct 5, 2026

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ZenML — Documentation & Integration Notes

ZenML is licensed under Apache 2.0, making it suitable for commercial use without licensing friction. The platform is designed to be infrastructure-agnostic, supporting deployment on Kubernetes and containerized environments via Docker, and integrating with leading observability and evaluation tools.

Supported integrations:

Orchestration & Infrastructure: Kubernetes, Docker
LLM Observability & Evaluation: Langfuse, LangSmith, Braintrust, Logfire, Arize Phoenix

Deployment options:

Self-hosted: Full infrastructure control, unlimited pipeline executions, free
Kitaru Cloud (SaaS): Managed, $39/month — includes 3 agents, 2 seats, 90-day data retention, all features, 14-day free trial
ZenML Scale SaaS: $999/month for larger teams
Enterprise: Custom pricing available for both self-hosted and SaaS deployments

Security & compliance: