AI Explorer

Apr 24, 2026 · Artificial Intelligence

DeepSeek-V4 Raises the Bar: 1.6T‑Parameter Open‑Source Model Challenges Closed‑Source Giants

DeepSeek-V4 introduces two open‑source LLMs—V4‑Pro with 1.6 trillion total parameters and V4‑Flash with 284 billion—offering a 1 million‑token context window, hybrid attention, multi‑head compression, and a new Muon optimizer, all under an MIT license that rivals top closed‑source models.