Beam. Muse Spark Open. Nemotron 3.5 Super VL. Nemotron 3.5 Bolt 74B-A9B. Timestral.These may sound like characters from a science-fiction franchise. They are, in fact, names of open-weight AI models announced or released by technology companies in the United States and Europe in October.Reflection AI released Beam’s weights on October 16. Meta released Muse Spark Open, while NVIDIA made two Nemotron models available, on October 15. France-based Mistral AI also announced Timestral, a family of models designed for time-series forecasting.Companies are making models available for different tasks, from writing software and operating AI agents to interpreting images and forecasting time-series…