OpenMDW

NVIDIA released Nemotron 3 Embed on July 15 and 16, 2026, an open embedding collection whose 8B checkpoint ranks #1 on RTEB with a 78.46 average NDCG@10. The collection includes three open checkpoints…

NVIDIA released Nemotron 3 Ultra, a 550-billion-parameter open-weights reasoning model, on June 4, 2026. It is the best US open model by Artificial Analysis's scoring but trails Chinese leader Kimi K2…

Nvidia released Cosmos 3, an open-source omni-model for physical AI that handles vision reasoning and multimodal generation, with two variants available under the OpenMDW 1.1 license. In tests on fixe…

NVIDIA researchers introduced Cosmos 3, a family of omnimodal world models that jointly process and generate language, image, video, audio, and action sequences within a unified mixture-of-transformer…