Infrastructure

Simon Willison AI Filter · May 07, 2026 17:09

Notes on the xAI/Anthropic data center deal

There weren’t a lot of big new announcements from Anthropic at yesterday’s Code w/ Claude event, but the biggest by far was the deal they’ve struck with SpaceX/xAI to use …

Topics: ModelsInfrastructure

Entities: ModelsInfrastructureAnthropicxAIClaudeSpaceX

AWS Machine Learning Blog · May 07, 2026 15:59

Secure short-term GPU capacity for ML workloads with EC2 Capacity Blocks for ML and SageMaker training plans | Amazon Web Services

In this post, you will learn how to secure reserved GPU capacity for short-term workloads using Amazon Elastic Compute Cloud (Amazon EC2) Capacity Blocks for ML and Amazon SageMaker training plans. These solutions can address GPU availability challenges...

Topics: Infrastructure

Entities: Infrastructure

AWS Machine Learning Blog · May 07, 2026 15:53

Overcoming reward signal challenges: Verifiable rewards-based reinforcement learning with GRPO on SageMaker AI | Amazon Web Services

In this post, you will learn how to implement reinforcement learning with verifiable rewards (RLVR) to introduce verification and transparency into reward signals to improve training performance. This approach works best when outputs can be objectively...

Topics: PolicyInfrastructure

Entities: PolicyInfrastructure