Machine Learning Research
Ox Alpha Revealed as GLM-5.3-Flash: Z.ai’s latest model built viral buzz as Ox Alpha while being served on China-made chips
For over a week, the name and maker of the most-used model on OpenRouter remained unknown.
Graphics Processing Unit (GPU)
Hardware
DeepSeek-V4-Pro Gets Refreshed: DeepSeek’s flagship only slightly outperforms Flash model; Open source harness draws interest
DeepSeek’s flagship model graduated from preview with improved performance plus the harness the model was benchmarked in.
Machine Learning Research
A Full Accounting of Models’ GPU Use: Researchers detail the energy and water needed to train a family of open weight models
Assessments of the environmental impact of large language models typically focus on their final training runs, but there’s a lot more to building AI systems.
Hardware
Anthropic, OpenAI Fight for Compute: Anthropic and OpenAI both spend big to make deals for data center sites and hardware
Data center buildout plans reached a new order of magnitude as new partnerships form and old ones fade away in the search for capacity to train and deliver AI.
Machine Learning Research
How Nvidia Uses AI to Design Chips: Chipmaker's models design circuits, verify designs, and test new layouts
Nvidia’s chief scientist dreams of telling an AI model to design a new GPU, then skiing for a couple days while the system does the job.
Machine Learning Research
Open-Source Speed Demon: Nvidia’s open Nemotron 3 Super 120B-A12B model sets new paces in its class
Nvidia, the dominant supplier of AI chips, released a competitive open-source large language model whose speed tops its size class — the first open-weights leader to come from the United States since last year, when Meta delivered Llama 4.
Business
DeepSeek Snubs Nvidia for Huawei: DeepSeek made its upcoming 4.0 model available for performance testing to Chinese chipmakers but not U.S, ones
DeepSeek, the Chinese developer of outstanding open-weights models, has withheld an upcoming update of its flagship model from U.S. chip makers, a move that intensifies the AI rivalry between the U.S. and China.
Machine Learning Research
Can Local AI Stand In for the Cloud?: Stanford and Together.AI researchers chart edge models’ performance in intelligence per watt
Projected demand for output from large language models is spurring a massive buildout of data centers. Researchers asked whether smaller models running on local devices could meaningfully lighten that load.
Business
China’s AI Chip Industry Takes Root: China banned GPUs and TPUs from U.S. manufacturers to promote domestic chips
The United States government’s effort to deprive China of AI computing power backfired as China turned the tables and banned U.S.-designed chips.
Machine Learning Research
Generated, Editable Virtual Spaces: World Labs makes Marble world model public, adds Chisel editing tool
Models that generate 3D spaces typically generate them as users move through them without generating a persistent world to be explored later. A new model produces 3D worlds that can be exported and modified.
Business
Microsoft and Anthropic Form Alliance: Claude becomes the first leading language model available from all three cloud giants
Having recently revised its agreement with longtime partner OpenAI, Microsoft pledged to invest billions of dollars in Anthropic, one of OpenAI’s top competitors.
Machine Learning Research
Fine-Tuning Simplified: Thinking Machines’ new Tinker API makes it easier to fine-tune models on many GPUs
The first offering from Thinking Machines Lab, the startup founded by former OpenAI CTO Mira Murati, aims to simplify — and democratize — the process of fine-tuning AI models.