DeepSeek unveiled two new AI models, V4 Pro and V4 Flash, promising a context window of up to one million tokens and open‑source access. The company claims the Pro version rivals top closed‑source systems in reasoning, while the Flash variant offers faster responses with comparable performance on simple tasks. Shortly after the release, U.S. federal agencies barred the app from government devices, citing national‑security concerns, and South Korea paused downloads over privacy issues. The moves highlight a clash between rapid AI innovation and emerging regulatory scrutiny. Read more →