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Kubeflow Trainer

trainer.kubeflow.org

Free plan LinuxAPISelf-hosted

Spec sheet

Purpose
Kubeflow Trainer is a Kubernetes-native platform for distributed AI model training and LLM fine-tuning.Read 11 Oct 2026 · trainer.kubeflow.org
Integrations
The project documents integrations with Kueue, Slurm Bridge, KAI Scheduler, JobSet, and LeaderWorkerSet.Read 11 Oct 2026 · trainer.kubeflow.org
License
The public GitHub repository lists an Apache-2.0 license.Read 11 Oct 2026 · github.com
Community support
The project links users to a Kubeflow Trainer Slack channel and regular community calls.Read 11 Oct 2026 · github.com
Data cache
Its distributed data cache uses Apache Arrow and Apache DataFusion for zero-copy tensor streaming to GPU nodes.Read 11 Oct 2026 · trainer.kubeflow.org
Deployment environments
The overview says it can run in public cloud, on-premises, or hybrid environments.Read 11 Oct 2026 · trainer.kubeflow.org
Fine-tuning
Built-in TorchTune workflows support LoRA, QLoRA, and full fine-tuning with HuggingFace model and dataset URIs.Read 11 Oct 2026 · trainer.kubeflow.org
Frameworks
It provides a unified Python SDK and TrainJob API for frameworks including PyTorch, JAX, DeepSpeed, MLX, HuggingFace, Megatron, and XGBoost.Read 11 Oct 2026 · trainer.kubeflow.org
Installation requirement
The installation guide lists Kubernetes >= 1.31 and kubectl >= 1.31 as minimum requirements for the control plane.Read 11 Oct 2026 · trainer.kubeflow.org
Local execution
TrainJobs can run locally with Docker or Podman and then deploy to Kubernetes environments without code changes.Read 11 Oct 2026 · trainer.kubeflow.org
Project status
The GitHub repository README states that Kubeflow Trainer is currently in alpha status and its APIs may change.Read 11 Oct 2026 · github.com
Scale
It supports training from a single GPU to multi-node clusters, with automatic setup for DDP, FSDP, parameter servers, and gang scheduling.Read 11 Oct 2026 · trainer.kubeflow.org
Supported users
The documentation is organized for AI practitioners, platform administrators, and open-source contributors.Read 11 Oct 2026 · trainer.kubeflow.org

Plans and prices

Kubeflow Trainer Free Open-source project; requires Kubernetes >= 1.31 for control-plane installation Read 11 Oct 2026 · trainer.kubeflow.org

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