# Qwen-Image-2.1-Turbo

> Source: https://aiwiki.ai/wiki/qwen_image_2_1_turbo
> Updated: 2026-10-10
> Fact-checked: 2026-10-10
> Categories: AI Models, Chinese AI, Diffusion Models, Image Generation
> License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) - attribute to "AI Wiki (aiwiki.ai)"
> Cite as: AI Wiki. "Qwen-Image-2.1-Turbo." aiwiki.ai, 10 Oct 2026. https://aiwiki.ai/wiki/qwen_image_2_1_turbo
> From AI Wiki (https://aiwiki.ai), the free encyclopedia of artificial intelligence. Reuse freely with attribution.

Qwen-Image-2.1-Turbo is an accelerated checkpoint of [Qwen-Image-2.1](https://aiwiki.ai/wiki/qwen_image_2_1) for text-to-image generation and image editing. It uses eight denoising steps and the same 7-billion-parameter visual generation architecture.[1] The [Qwen](https://aiwiki.ai/wiki/qwen) team released it on October 9, 2026, alongside hosted Pro and Turbo APIs.[2]

## Model specifications

| Property | Specification |
|---|---|
| Visual generation component | 7B parameters[1] |
| Recommended sampling | 8 denoising steps[1] |
| Diffusers pipeline | `QwenImage21Pipeline`[1] |
| Default classifier-free guidance | CFG = 1[1] |
| Downloadable checkpoint | `Qwen/Qwen-Image-2.1-Turbo` on [Hugging Face](https://aiwiki.ai/wiki/hugging_face)[1] |
| Hosted model identifier | `qwen-image-2.1-turbo`[5] |
| Model license | Qwen Research License Agreement[4] |

The model card demonstrates transparent-image generation, typography, single-image editing, and composition from multiple reference images. Its examples use 2048 x 2048 editing and 1680 x 2512 text-to-image generation.[1]

## Sampling and local execution

Turbo saves its sampling schedule with the checkpoint. [KV caching](https://aiwiki.ai/wiki/kv_cache) reuses text and reference-image context across denoising steps.[1]

Diffusers pull request #14950 added the pipeline configuration field `sample_sigmas`. The pipeline passes the selected schedule to the scheduler, and the schedule determines the step count. An explicit `sigmas` argument overrides the saved schedule; setting `num_inference_steps` alone does not. The scheduler implementation itself was not changed by this addition.[3]

The model card directs users to install a CUDA-compatible PyTorch build, current Diffusers source with that change, `transformers>=5.17.0`, Accelerate, and Pillow. Its examples load the pipeline in BF16 on CUDA. Qwen states that alternative sampling schedules have not been evaluated for this checkpoint.[1]

## Hosted access

[Alibaba Cloud](https://aiwiki.ai/wiki/alibaba_cloud) Model Studio provides hosted inference under `qwen-image-2.1-turbo`. Its model information page lists text and image input, image output, and fine-tuning support. Function calling, structured outputs, and web search are unsupported.[5] Qwen also distributes the checkpoint for execution in users' own environments.[2]

## License

The Qwen Research License Agreement grants use, modification, and redistribution of the model materials for non-commercial research or evaluation. Commercial use requires a separate license from the licensor. Redistribution requires the agreement, notices identifying modified files, and the specified attribution notice. The agreement also imposes attribution conditions when the materials or their outputs are used to create or improve a distributed AI model.[4]

## References

1. Qwen. [Qwen-Image-2.1-Turbo model card](https://huggingface.co/Qwen/Qwen-Image-2.1-Turbo). Hugging Face. Accessed October 10, 2026.
2. Qwen. [Qwen-Image-2.1 repository](https://github.com/QwenLM/Qwen-Image-2.1), News, Hosted APIs, and Turbo quick start. GitHub. October 9, 2026 release entry. Accessed October 10, 2026.
3. Hugging Face Diffusers. [Configure fixed sampling sigmas on QwenImage21Pipeline, pull request #14950](https://github.com/huggingface/diffusers/pull/14950). Merged October 5, 2026. Accessed October 10, 2026.
4. Hangzhou Tongyi Laboratory Technology Co., Ltd. [Qwen Research License Agreement](https://huggingface.co/Qwen/Qwen-Image-2.1-Turbo/blob/main/LICENSE). License release date September 20, 2026. Accessed October 10, 2026.
5. Alibaba Cloud Model Studio. [qwen-image-2.1-turbo model information](https://help.aliyun.com/en/model-studio/qwen-image-2-1-turbo). Updated October 10, 2026. Accessed October 10, 2026.

