# SGLang-Diffusion adds day-0 support for Qwen-Image-2.1

SGLang said SGLang-Diffusion now has day-0 support for Qwen-Image 2.1, covering text-to-image, multi-image editing, and transparent RGBA output. Qwen thanked the project and said the stack now serves those capabilities.

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Source: Qwen · Published 9/20/2026, 19:58:27

SGLang announced **day-0 support** for **Qwen-Image 2.1** in **SGLang-Diffusion**. Qwen thanked the project and said the stack now serves the model for **text-to-image generation**, **multi-image editing**, and **transparent RGBA output**.

According to SGLang, native precision can run on a single **RTX 4090 24GB** with CPU offload, with **1024×1024** generation in **18.7s** and image editing in **21.7s** at **22.7 GiB** peak GPU memory during requests. On an **RTX PRO 6000 96GB**, SGLang reported **8.0s** generation and **9.6s** editing.

SGLang said one checkpoint covers those image tasks, with native inference including TP/SP, LoRA, and OpenAI-compatible APIs. The reported timings used 40 denoising steps, one image per request, warmed HTTP latency including PNG output, and no quantization.

Tags: SGLang, Qwen-Image, Text-to-image, Image editing

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