DeepSeek V4 Review: V4 Flash & V4 Pro — Almost Frontier, a Fraction of the Price (April 2026)
DeepSeek V4 arrived April 24, 2026 — one year after R1 shook Silicon Valley. V4 Pro is the world’s largest open-weight model at 1.6 trillion parameters. V4 Flash is cheaper than GPT-5.4 Nano. And both run on Chinese chips. Here’s everything you need to know.