Qwen-Image 2.1 Lands on SGLang with 2.55x Speedup from KV Cache
SGLang-Diffusion announced day-0 support for Alibaba's Qwen-Image 2.1, generating images in about 18.7 seconds on a single 4090, while a technical thread explains how the 7B DiT model's KV caching yields a 2.55x generation speedup.
2026-09-21 ~ 2026-09-21 · 2 related posts
- Episode 1: Qwen Image 2.1 open-source model appears set for release(2026-09-18, 2 posts)
- Episode 2: Early Qwen Image 2.1 hands-on reports split: fast and good at editing, weak photorealism(2026-09-19, 7 posts)
- Episode 3: Alibaba's Qwen-Image-2.1 Announced as Fully Open-Source with Day-One ComfyUI Support(2026-09-20, 7 posts)
- Episode 4: Qwen Releases Prompt-Rewriting Models for Image Generation(2026-09-20, 2 posts)
- Episode 5: Qwen Image Model Beats Flux in Quality and Speed, Users Report(2026-09-20, 4 posts)
- Episode 6: Alibaba Open-Sources Qwen-Image-2.1: 7B Unified Image Generation & Editing(2026-09-20, 36 posts)
- Episode 7: Qwen-Image 2.1 Lands on SGLang with 2.55x Speedup from KV Cache(2026-09-21, 2 posts)
- Qwen-Image 2.1 runs on SGLang: image generation in 18.7s on a single RTX 4090 — Alibaba_Qwen · 2026-09-21
- QwenImage 2.1 adds KV caching, measured 2.55x faster image generation — RisingSayak · 2026-09-21