DeepSeek V4 Released: Open-Source 1.6T MoE, 1M Context, Apache 2.0 — and It's Already on the API

TL;DR — DeepSeek shipped V4 preview on the same day as OpenAI's GPT-5.5. Features include 1.6T-parameter Pro, 284B Flash, 1M context on both, Apache 2.0 weights on Hugging Face, and API pricing of $1.74 / $3.48 per million tokens for Pro—significantly less expensive than Opus 4.7, GPT-5.5, or Kimi K2.6. ofox will support it at first opportunity. What DeepSeek shipped From the official announcement on April 24 2026: Two variants : deepseek-v4-pro (1.6T total parameters, 49B activated) and deepsee