Chinese artificial intelligence start-up StepFun has unveiled a compact AI model, Step 3.5 Flash, that it says can rival far ...
StepFun says its lightweight model Step 3.5 Flash aims to redefine efficiency and reasoning in China's growing AI race ...
The American startup is pitching investors on a $1 billion+ valuation to train a model over a trillion parameters, aiming to reclaim the open-weight lead from Chinese labs like Moonshot and DeepSeek.