How to Install and Set Up JanusFlow 1.3B on Windows (2026 Guide)
Last updated April 2026 — refreshed for current model versions, CUDA 12.8+, and PyTorch 2.7. JanusFlow 1.3B is DeepSeek's unified multimodal model that handles both image understanding and image generation in a single 1.3B-parameter package. Unlike Janus-Pro (which uses autoregressive generation), JanusFlow uses rectified flow