China’s ByteDance, DeepSeek launch AI upgrades to rival US
China's AI push gained pace as TikTok-owner ByteDance unveiled new open-source Seed-OSS-36B models and DeepSeek upgraded its flagship V3, optimised for Chinese-made chips. The models claim to match or beat peers from OpenAI and Google. With Alibaba's Qwen and Baidu's Ernie also advancing, Chinese AI firms are closing the gap with US rivals, fuelling a rally in China tech stocks.