[model] support Qwen3.5-0.8B/2B/4B/9B series by Jintao-Huang · Pull Request #8162 · modelscope/ms-swift

Jintao-Huang · 2026-03-02T14:22:29Z

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gemini-code-assist · 2026-03-02T14:22:42Z

Summary of Changes

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This pull request expands the system's capabilities by incorporating support for a range of Qwen3.5 models. This enhancement allows users to leverage these new models within the framework, providing more options for various applications. The changes involve both the core model definitions and the user-facing documentation.

Highlights

New Model Support: Added support for several Qwen3.5 series models, including Qwen3.5-0.8B, Qwen3.5-2B, Qwen3.5-4B, Qwen3.5-9B, and their corresponding Base versions.
Documentation Updates: Updated both Chinese and English documentation to reflect the newly supported Qwen3.5 models in the 'Supported models and datasets' tables.
Model Integration: Integrated the new Qwen3.5 models into the qwen.py model definition file, associating them with the TemplateType.qwen3_5.

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Changelog

docs/source/Instruction/Supported-models-and-datasets.md
- Added new entries for Qwen3.5-0.8B, Qwen3.5-2B, Qwen3.5-4B, Qwen3.5-9B, and their Base variants to the supported models table.
docs/source_en/Instruction/Supported-models-and-datasets.md
- Added new entries for Qwen3.5-0.8B, Qwen3.5-2B, Qwen3.5-4B, Qwen3.5-9B, and their Base variants to the English supported models table.
swift/model/models/qwen.py
- Registered new Qwen3.5 models (0.8B, 2B, 4B, 9B, and their Base versions) within the ModelGroup for TemplateType.qwen3_5.

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Code Review

This pull request adds support for the Qwen3.5-0.8B/2B/4B/9B model series. The changes include updating the model registration in swift/model/models/qwen.py and adding the new models to the documentation in both Chinese and English. The implementation is correct, but I've provided suggestions to reorder the model lists in all modified files to improve readability by grouping related models together.

gemini-code-assist · 2026-03-02T14:27:47Z

docs/source/Instruction/Supported-models-and-datasets.md

+|[Qwen/Qwen3.5-0.8B](https://modelscope.cn/models/Qwen/Qwen3.5-0.8B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-0.8B](https://huggingface.co/Qwen/Qwen3.5-0.8B)|
+|[Qwen/Qwen3.5-2B](https://modelscope.cn/models/Qwen/Qwen3.5-2B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-2B](https://huggingface.co/Qwen/Qwen3.5-2B)|
+|[Qwen/Qwen3.5-4B](https://modelscope.cn/models/Qwen/Qwen3.5-4B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-4B](https://huggingface.co/Qwen/Qwen3.5-4B)|
+|[Qwen/Qwen3.5-9B](https://modelscope.cn/models/Qwen/Qwen3.5-9B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-9B](https://huggingface.co/Qwen/Qwen3.5-9B)|
 |[Qwen/Qwen3.5-27B](https://modelscope.cn/models/Qwen/Qwen3.5-27B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-27B](https://huggingface.co/Qwen/Qwen3.5-27B)|
 |[Qwen/Qwen3.5-27B-FP8](https://modelscope.cn/models/Qwen/Qwen3.5-27B-FP8)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-27B-FP8](https://huggingface.co/Qwen/Qwen3.5-27B-FP8)|
+|[Qwen/Qwen3.5-0.8B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-0.8B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-0.8B-Base](https://huggingface.co/Qwen/Qwen3.5-0.8B-Base)|
+|[Qwen/Qwen3.5-2B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-2B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-2B-Base](https://huggingface.co/Qwen/Qwen3.5-2B-Base)|
+|[Qwen/Qwen3.5-4B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-4B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-4B-Base](https://huggingface.co/Qwen/Qwen3.5-4B-Base)|
+|[Qwen/Qwen3.5-9B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-9B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-9B-Base](https://huggingface.co/Qwen/Qwen3.5-9B-Base)|


gemini-code-assist · 2026-03-02T14:27:47Z

docs/source_en/Instruction/Supported-models-and-datasets.md

+|[Qwen/Qwen3.5-0.8B](https://modelscope.cn/models/Qwen/Qwen3.5-0.8B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-0.8B](https://huggingface.co/Qwen/Qwen3.5-0.8B)|
+|[Qwen/Qwen3.5-2B](https://modelscope.cn/models/Qwen/Qwen3.5-2B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-2B](https://huggingface.co/Qwen/Qwen3.5-2B)|
+|[Qwen/Qwen3.5-4B](https://modelscope.cn/models/Qwen/Qwen3.5-4B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-4B](https://huggingface.co/Qwen/Qwen3.5-4B)|
+|[Qwen/Qwen3.5-9B](https://modelscope.cn/models/Qwen/Qwen3.5-9B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-9B](https://huggingface.co/Qwen/Qwen3.5-9B)|
 |[Qwen/Qwen3.5-27B](https://modelscope.cn/models/Qwen/Qwen3.5-27B)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-27B](https://huggingface.co/Qwen/Qwen3.5-27B)|
 |[Qwen/Qwen3.5-27B-FP8](https://modelscope.cn/models/Qwen/Qwen3.5-27B-FP8)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-27B-FP8](https://huggingface.co/Qwen/Qwen3.5-27B-FP8)|
+|[Qwen/Qwen3.5-0.8B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-0.8B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-0.8B-Base](https://huggingface.co/Qwen/Qwen3.5-0.8B-Base)|
+|[Qwen/Qwen3.5-2B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-2B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-2B-Base](https://huggingface.co/Qwen/Qwen3.5-2B-Base)|
+|[Qwen/Qwen3.5-4B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-4B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-4B-Base](https://huggingface.co/Qwen/Qwen3.5-4B-Base)|
+|[Qwen/Qwen3.5-9B-Base](https://modelscope.cn/models/Qwen/Qwen3.5-9B-Base)|qwen3_5|qwen3_5|transformers>=5.0.0.dev, qwen_vl_utils>=0.0.14, decord|&#x2714;|vision, video|[Qwen/Qwen3.5-9B-Base](https://huggingface.co/Qwen/Qwen3.5-9B-Base)|


gemini-code-assist · 2026-03-02T14:27:47Z

swift/model/models/qwen.py

+                    Model('Qwen/Qwen3.5-0.8B', 'Qwen/Qwen3.5-0.8B'),
+                    Model('Qwen/Qwen3.5-2B', 'Qwen/Qwen3.5-2B'),
+                    Model('Qwen/Qwen3.5-4B', 'Qwen/Qwen3.5-4B'),
+                    Model('Qwen/Qwen3.5-9B', 'Qwen/Qwen3.5-9B'),
                    Model('Qwen/Qwen3.5-27B', 'Qwen/Qwen3.5-27B'),
                    # FP8
                    Model('Qwen/Qwen3.5-27B-FP8', 'Qwen/Qwen3.5-27B-FP8'),
+                    # base
+                    Model('Qwen/Qwen3.5-0.8B-Base', 'Qwen/Qwen3.5-0.8B-Base'),
+                    Model('Qwen/Qwen3.5-2B-Base', 'Qwen/Qwen3.5-2B-Base'),
+                    Model('Qwen/Qwen3.5-4B-Base', 'Qwen/Qwen3.5-4B-Base'),
+                    Model('Qwen/Qwen3.5-9B-Base', 'Qwen/Qwen3.5-9B-Base'),


For better readability, it's suggested to group the models by size, and put the base and instruct models of each size together. Also, adding comments to delineate the groups would be helpful.

# 0.8B Model('Qwen/Qwen3.5-0.8B', 'Qwen/Qwen3.5-0.8B'), Model('Qwen/Qwen3.5-0.8B-Base', 'Qwen/Qwen3.5-0.8B-Base'), # 2B Model('Qwen/Qwen3.5-2B', 'Qwen/Qwen3.5-2B'), Model('Qwen/Qwen3.5-2B-Base', 'Qwen/Qwen3.5-2B-Base'), # 4B Model('Qwen/Qwen3.5-4B', 'Qwen/Qwen3.5-4B'), Model('Qwen/Qwen3.5-4B-Base', 'Qwen/Qwen3.5-4B-Base'), # 9B Model('Qwen/Qwen3.5-9B', 'Qwen/Qwen3.5-9B'), Model('Qwen/Qwen3.5-9B-Base', 'Qwen/Qwen3.5-9B-Base'), # 27B Model('Qwen/Qwen3.5-27B', 'Qwen/Qwen3.5-27B'), # FP8 Model('Qwen/Qwen3.5-27B-FP8', 'Qwen/Qwen3.5-27B-FP8'),

update models

7545ab2

gemini-code-assist bot reviewed Mar 2, 2026

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Jintao-Huang merged commit d4789b1 into modelscope:main Mar 2, 2026
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[model] support Qwen3.5-0.8B/2B/4B/9B series#8162

[model] support Qwen3.5-0.8B/2B/4B/9B series#8162
Jintao-Huang merged 1 commit intomodelscope:mainfrom
Jintao-Huang:qwen3_5_more_models_0302

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