DeepSeek V4—almost on the frontier, a fraction of the price
Summary
Simon Willison reviews DeepSeek's V4 release, highlighting two preview models (V4-Pro and V4-Flash) with Mixture of Experts, unprecedented sizes, and a compelling cost structure. The post emphasizes efficiency improvements, potential for on-device use, and a pricing comparison that positions DeepSeek as highly affordable among frontier models, with ongoing monitoring for quantized and local deployments.