MOSS Image: fully open-source 5B text-to-image model with Apache 2.0 and JSON layout control

Sam Witteveen · youtube · 2026-10-26

Sam Witteveen reviews MOSS Image, a 5B diffusion transformer under Apache 2.0. Highlights: JSON-based layout control for precise text placement, solid long-text rendering benchmarks (with noted failure cases), runs on HF/ComfyUI/SGLang/vLLM-Omni, 8-step and custom LoRA support, plus inpainting and style demos.

Related event: Open-Source MOSS-Image Text-to-Image Model Hits 1.3M Downloads in Four Days(2 posts)→

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