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[diffusion] model: support two stage pipeline of LTX-2 (#20707)

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Co-authored-by: daiweitao <dwti614707404@163.com>
Co-authored-by: Mick <mickjagger19@icloud.com>
Co-authored-by: GMI Xiao Jin <xiao.j@gmicloud.ai>
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Prozac614
2026-04-04 09:37:28 +08:00
committed by GitHub
co-authored by daiweitao Mick GMI Xiao Jin
parent 95cdbce34f
commit db3d4f4b76
41 changed files with 2201 additions and 647 deletions
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docs/diffusion/compatibility_matrix.md
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@@ -33,23 +33,26 @@ default parameters when initializing and generating videos.
| TurboWan2.1 T2V 14B | `IPostYellow/TurboWan2.1-T2V-14B-Diffusers` | 480p | ✅ | ❌ | ❌ | ❌ | ✅ | ✅ | ⭕ |
| TurboWan2.1 T2V 14B 720P | `IPostYellow/TurboWan2.1-T2V-14B-720P-Diffusers` | 720p | ✅ | ❌ | ❌ | ❌ | ✅ | ✅ | ⭕ |
| TurboWan2.2 I2V A14B | `IPostYellow/TurboWan2.2-I2V-A14B-Diffusers` | 720p | ✅ | ❌ | ❌ | ❌ | ✅ | ✅ | ⭕ |
| LTX-2 | `Lightricks/LTX-2` | 1536×1024 | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
**Note**:
1.Wan2.2 TI2V 5B has some quality issues when performing I2V generation. We are working on fixing this issue.
2.SageSLA Based on SpargeAttn. Install it first with `pip install git+https://github.com/thu-ml/SpargeAttn.git --no-build-isolation`
1. Wan2.2 TI2V 5B has some quality issues when performing I2V generation. We are working on fixing this issue.
2. SageSLA is based on SpargeAttn. Install it first with `pip install git+https://github.com/thu-ml/SpargeAttn.git --no-build-isolation`
3. LTX-2 two-stage generation uses `--pipeline-class-name LTX2TwoStagePipeline`. The spatial upsampler and distilled LoRA are auto-resolved from the model snapshot by default, and can still be overridden with `--spatial-upsampler-path` and `--distilled-lora-path`.
### Image Generation Models
| Model Name | HuggingFace Model ID | Resolutions |
|:-----------------|:----------------------------------------|:---------------|
| FLUX.1-dev | `black-forest-labs/FLUX.1-dev` | Any resolution |
| FLUX.2-dev | `black-forest-labs/FLUX.2-dev` | Any resolution |
| FLUX.2-Klein | `black-forest-labs/FLUX.2-klein-4B` | Any resolution |
| Z-Image-Turbo | `Tongyi-MAI/Z-Image-Turbo` | Any resolution |
| GLM-Image | `zai-org/GLM-Image` | Any resolution |
| Qwen Image | `Qwen/Qwen-Image` | Any resolution |
| Qwen Image 2512 | `Qwen/Qwen-Image-2512` | Any resolution |
| Qwen Image Edit | `Qwen/Qwen-Image-Edit` | Any resolution |
| Model Name | HuggingFace Model ID |
|:---------------------|:------------------------------------|
| FLUX.1-dev | `black-forest-labs/FLUX.1-dev` |
| FLUX.2-dev | `black-forest-labs/FLUX.2-dev` |
| FLUX.2-Klein | `black-forest-labs/FLUX.2-klein-4B` |
| Z-Image-Turbo | `Tongyi-MAI/Z-Image-Turbo` |
| GLM-Image | `zai-org/GLM-Image` |
| Qwen Image | `Qwen/Qwen-Image` |
| Qwen Image 2512 | `Qwen/Qwen-Image-2512` |
| Qwen Image Edit | `Qwen/Qwen-Image-Edit` |
| Qwen Image Edit 2511 | `Qwen/Qwen-Image-Edit-2511` |
## Verified LoRA Examples