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Physical Intelligence (Pi) is building a general-purpose robotic intelligence system whose core Visual-Language-Action (VLA) model takes visual observations, natural-language instructions, and the...

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Reinforcement fine-tuning on Amazon Bedrock: Best practices

DGX agent

In this post, we explore where RFT is most effective, using the GSM8K mathematical reasoning dataset as a concrete example. We then walk through best practices for dataset preparation and reward funct

tutorialsaws-ml-blog

8 Apr 2026

Tools

Safetensors is Joining the PyTorch Foundation

Safetensors, a secure tensor serialization format originally developed by Hugging Face, has joined the PyTorch Foundation as a foundation-hosted project under the Linux Foundation, alongside DeepSp...

toolshugging-face

Research

The Download: water threats in Iran and AI’s impact on what entrepreneurs make

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Desalination plants in the Middle East are increasingly vulner

researchmit-tech-review

Applications

The next phase of enterprise AI

Enterprise revenue now accounts for more than 40% of OpenAI's total revenue and is on track to reach parity with consumer revenue by the end of 2026. The company is observing a key shift in how l...

applicationsopenai

Industry

Trump admin makes sweeping request for medical records of federal workers

The Trump administration's Office of Personnel Management (OPM) is seeking unprecedented access to the medical records of millions of federal workers, retirees, and their families. The proposed re...

industryars-technica

Industry

Advanced Prompt Caching at Scale

Prompt caching delivers significant efficiency gains at a single replica, but under standard round-robin load balancing, a request with an identical prefix has only a 1/N chance of hitting the repl...

industrydigitalocean

Model Releases

Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me

model-releasessimon-willison

Anthropic didn't release their latest model, Claude Mythos (system card PDF), today. They have instead made it available to a very restricted set of preview partners under their newly announced Projec

Model Releases

GLM-5.1: Towards Long-Horizon Tasks

model-releasessimon-willison

GLM-5.1: Towards Long-Horizon Tasks Chinese AI lab Z.ai's latest model is a giant 754B parameter 1.51TB (on Hugging Face) MIT-licensed monster - the same size as their previous GLM-5 release, and shar

Tutorials

Manage AI costs with Amazon Bedrock Projects

With Amazon Bedrock Projects, you can attribute inference costs to specific workloads and analyze them in AWS Cost Explorer and AWS Data Exports. In this post, you will learn how to set up Projects en

tutorialsaws-ml-blog