DeepSeek, a Hangzhou-based Chinese AI startup, released preview versions of its DeepSeek-V4-Pro and DeepSeek-V4-Flash models on Friday, one year after launching DeepSeek-R1 with capabilities comparable to ChatGPT. The new models feature large parameter counts and cost-effective pricing for the Flash version, though benchmark superiority claims remain unverified. Coverage is limited to two left-center biased sources, including state-funded Deutsche Welle.