DeepSeek-V4-Pro
DeepSeek · 2026-04-24 · 1.6T parameters
DeepSeek-V4-Pro is the larger open-weight Mixture-of-Experts model in DeepSeek's V4 preview release, with 1.6T total and 49B activated parameters. Released April 24, 2026, it supports a 1M-token context and Non-Think, Think High, and Think Max reasoning modes, and uses hybrid Compressed Sparse Attention (CSA) and Heavily Compressed Attention (HCA). Its weights are released under the MIT license.