Open Models

Nvidia's Nemotron 4 aims for a trillion parameters, but China is already there

Nvidia is building Nemotron 4, a new family of open-weight AI models meant to challenge the strongest freely available models, according to reporting by The Information cited by The Decoder. The largest model in the family is planned to reach at least one trillion parameters, twice the size of Nvidia's current Nemotron 3 Ultra. To train it, Nvidia has tripled its cloud spending on in-house model development to 28 billion dollars through 2031. The earliest the models could ship is this fall. C

Google Retrofits Gemma 4 Into a Diffusion Model, No Retraining From Scratch

Microsoft opens 26 open models to startups on Azure through Fireworks

Microsoft is pushing its newly generally available Fireworks AI integration at startups, publishing a deployment blueprint on August 4, 2026 that pairs a reference architecture for running open models on Microsoft Foundry with a financial incentive: members of the Microsoft for Startups program can apply Azure credits to Fireworks deployments, with the program advertising up to $150,000 in credits. The Fireworks integration reached general availability, placing open-weight models from DeepSeek,

Nvidia Opens Alpamayo 2 Super for Commercial Use

Nvidia has released the weights for Alpamayo 2 Super, a 34-billion-parameter vision-language-action model for autonomous-vehicle development, under the Linux Foundation's OpenMDW-1.1 license. The change gives automakers and autonomous-driving developers a commercial path to fine-tune, redistribute, and build derivative models from Nvidia's largest Alpamayo release, according to the company's announcement and model card. A cloud teacher model, not a robotaxi driver Alpamayo 2 Super combi