Microsoft open-sources TauGrid, a Kubernetes‑native stack for GPU AI workloads

Platform teams running AI on Kubernetes rarely run one thing. They run a queueing system, a distributed runtime, GPU node health checks, dashboards, and a layer of submission scripts holding all of it together. The Azure Kubernetes Service engineering team open-sourced TauGrid, which collapses that assembly job into a single Helm install.

Is it deployable? Yes, TauGrid is MIT licensed, with container images and Helm charts published as public OCI artifacts on Microsoft Container Registry. Prerequisites are a Kubernetes 1.30+ cluster with GPU nodes, kubectl, and Helm 3.0 or later.

What is TauGrid

TauGrid is a self-hosted platform for running AI workloads on Kubernetes. It combines five things that platform teams usually integrate by hand: the tau CLI, workload queueing and admission through Kueue, Ray cluster orchestration through KubeRay, node-level GPU health monitoring, and cluster and workload observability.

The split of responsibility is the design point. Platform teams own workspaces, queues, compute profiles, storage, identity, and observability. Researchers work from a repository and the CLI, and submit workloads without configuring Kubernetes directly. The codebase is written primarily in Go.

How a job moves through it

A workload is described in a tau.yaml file. The GPU training example published by Microsoft runs a PyTorch job on a single A100:

schema_version: 1
name: aks-gpu-quickstart
run:
  entrypoint: train.py
  workload_kind: rayjob
compute:
  gpus: 1
  workers: 1
  cpus: 16
  memory: 64Gi
runtime:
  image: mcr.microsoft.com/aks/ai-runtime/ray:py3.12-ray2.56.0-cuda13.0
  pip:
    - torch>=2.4.0

On tau run, TauGrid resolves platform policy, renders a Kubernetes Job or a KubeRay RayJob, and submits it through Kueue. The six stages Microsoft documents are submission, queueing, execution, monitoring, recovery, and evidence. Recovery covers retry, resume from checkpoint, and failure diagnosis. Evidence records capture workload metadata, configuration, logs, metrics, checkpoints, and execution history, which is what makes a run reproducible and auditable later.

When several teams share a cluster, their jobs land in a shared Kueue ClusterQueue. Kueue admits each one on quota and priority, and Kubernetes places it on healthy GPUs.

Interactive explainer

Install footprint

Installation is a Helm chart pulled straight from MCR:

helm install taugrid \
  oci://mcr.microsoft.com/aks/ai-runtime/helm/taugrid \
  --version 0.4.2 \
  --namespace tau-system \
  --create-namespace

First-party images ship under mcr.microsoft.com/aks/ai-runtime/ for Tau, the TauGrid Portal, and the tau core controller. Microsoft advises pinning versioned tags or immutable digests rather than latest. The CLI installs from GitHub Releases on Linux and macOS, with a PowerShell installer for Windows amd64; the installer verifies the release checksum and does not modify PATH.

Two operational details matter for anyone evaluating this outside Azure. First, TauGrid sends no telemetry to Microsoft by default, and remote export stays off unless an operator configures a destination. Second, some integrations are still Azure-specific, notably observability through Azure Data Explorer. The stated intent is to support cloud and on-premises Kubernetes without an Azure dependency, and contributions toward that are open.

Key Takeaways

• Microsoft open-sourced TauGrid on August 28, 2026, under the MIT license at Azure/taugrid.
• One Helm install bundles the tau CLI, Kueue queueing, KubeRay orchestration, GPU health monitoring, and observability.
• Deployable now on any Kubernetes 1.30+ cluster with GPU nodes, kubectl, and Helm 3.0+.
• Evidence records capture config, logs, metrics, and checkpoints, so runs stay reproducible and auditable.
• No telemetry by default, but Azure Data Explorer observability remains Azure-specific for now.

Check out the AKS Engineering Blog and Azure/taugrid on GitHub. All credit goes to the researcher of this project. Also, feel free to follow us on Twitter and don’t forget to join our 150k+ML SubReddit and Subscribe to our Newsletter. Wait! are you on telegram? now you can join us on telegram as well.

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