Introducing Modular Diffusers – Composable Building Blocks for Diffusion Pipelines

Modular Diffusers introduces a new way to build diffusion pipelines by composing reusable blocks. Instead of writing entire pipelines from scratch, you can mix and match blocks to create workflows tailored to your needs! This complements the existing DiffusionPipeline class with a more flexible, composable alternative. In this post, we’ll walk through how Modular Diffusers works — from the familiar API to run a modular pipeline, to building fully custom blocks and composing them into your own workflow. We’ll also […]

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Bringing Robotics AI to Embedded Platforms: Dataset Recording, VLA Fine‑Tuning, and On‑Device Optimizations

Authors: Enzo Ruedas, Tess Boivin Recent advances in Large Language Models have enabled the transition from text-only reasoning to multimodal systems. First, with the integration of visual perception in Vision–Language Models (VLMs), and more recently with the generation of robot actions in Vision–Language–Action (VLA) models. Deploying these models on embedded robotic platforms remains a challenge    

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LeRobot v0.5.0: Scaling Every Dimension

With over 200 merged PRs and over 50 new contributors since v0.4.0, LeRobot v0.5.0 is our biggest release yet — expanding in every direction at once. More robots (including our first humanoid), more policies (including the comeback of autoregressive VLAs), faster datasets, simulation environments you can load straight from the Hub, and a modernized codebase running on Python 3.12 and Transformers v5. Whether you’re training policies in simulation or deploying them on real hardware, v0.5.0 has something for you. TL;DR […]

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Keep the Tokens Flowing: Lessons from 16 Open-Source RL Libraries

TL;DR — For those of you who don’t have time to read 5,000 words about async RL plumbing (we get it, you have models to train): The problem: In synchronous RL (reinforcement learning) training, data generation (model inference to create data samples) dominates wall-clock time — a single batch of 32K-token rollouts on a 32B (32-billion parameter) model can take hours, while the GPUs used for training remain idle. The solution everyone converged on: Disaggregate (separate) inference and training onto […]

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Build an Agent That Thinks Like a Data Scientist: How We Hit #1 on DABStep with Reusable Tool Generation

The world of data is vast, but quantitative information is often sparse or unavailable in text form online, presenting a significant challenge for deep research agents. This post shares an architecture, NVIDIA KGMON (NeMo Agent Toolkit) Data Explorer, for building autonomous data analysis agents, developed by the NVIDIA Kaggle Grandmasters (KGMON) LLM Agent Research Team. The NVIDIA KGMON (NeMo Agent Toolkit) Data Explorer project introduces an agent specialized for dataset exploration and analysis, designed to handle the complexities of multi-step […]

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Introducing Storage Buckets on the Hugging Face Hub

Hugging Face Models and Datasets repos are great for publishing final artifacts. But production ML generates a constant stream of intermediate files (checkpoints, optimizer states, processed shards, logs, traces, etc.) that change often, arrive from many jobs at once, and rarely need version control. Storage Buckets are built exactly for this: mutable, S3-like object storage you can browse on the Hub, script from Python, or manage with the hf CLI. And because they are backed by Xet, they are especially […]

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Quiz: Your Python Coding Environment on Windows: Setup Guide

Interactive Quiz ⋅ 11 QuestionsBy Joseph Peart Share Test your understanding of Python Coding Setup on Windows. By working through this quiz, you’ll review the key steps for setting up a Python development environment on Windows. You’ll cover system updates, Windows Terminal, package managers, PowerShell profiles, environment variables, and safe use of remote scripts. You’ll also check practical details like configuring Path, managing Python versions, using version control, and streamlining your workflow. The quiz contains 11 questions and there is […]

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Quiz: Working With Files in Python

Interactive Quiz ⋅ 12 QuestionsBy Joseph Peart Share In this quiz, you’ll test your understanding of Working With Files in Python. By working through this quiz, you’ll revisit key techniques for handling files and directories in Python. You’ll practice safely opening files, iterating over directories, and filtering entries to select only files or subdirectories. You’ll also explore creating directories and managing files and directories, including deleting, copying, and renaming them. The quiz contains 12 questions and there is no time […]

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