Home Markets OpenAI chief Altman says DeepSeek’s R1 model ‘impressive’ OpenAI chief Altman says DeepSeek’s R1 model ‘impressive’ Andrew M Jan 28, 2025 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Original source: https://www.investing.com/news/stock-market-news/openai-chief-altman-says-deepseeks-r1-model-impressive-3833346 Altman Market Updates OPENAI OpenAI chief