feat(decision_model): Add decision model feature support

README.md

@@ -187,6 +187,7 @@ The SDK ships with an interactive AI assistant, **DashScope SDK Expert**, built
 | Text Embedding | text-embedding-v4, text-embedding-v3 | `TextEmbedding` |
 | Multi-Modal Embedding | tongyi-embedding-vision-plus, qwen3-vl-embedding | `MultiModalEmbedding` |
 | Text ReRank | qwen3-rerank, gte-rerank-v2 | `TextReRank` |
+| Decision Model | decision-model-preview | `DecisionModel` |
 | Image Generation | wan2.7-image-pro, qwen-image-2.0-pro | `ImageSynthesis` |
 | Video Generation | wan2.7-t2v, wan2.7-i2v, happyhorse-1.0-t2v/i2v | `VideoSynthesis` |
 | Speech Synthesis (TTS) | cosyvoice-v3.5-plus, cosyvoice-v1 | `SpeechSynthesizer`, `HttpSpeechSynthesizer` |

README_zh.md

@@ -186,6 +186,7 @@ SDK 内置了交互式 AI 助手 **DashScope SDK Expert**，基于随包提供
 | 文本向量 | text-embedding-v4、text-embedding-v3 | `TextEmbedding` |
 | 多模态向量 | tongyi-embedding-vision-plus、qwen3-vl-embedding | `MultiModalEmbedding` |
 | 文本重排 | qwen3-rerank、gte-rerank-v2 | `TextReRank` |
+| 决策模型 | decision-model-preview | `DecisionModel` |
 | 图像生成 | wan2.7-image-pro、qwen-image-2.0-pro | `ImageSynthesis` |
 | 视频生成 | wan2.7-t2v、wan2.7-i2v、happyhorse-1.0-t2v/i2v | `VideoSynthesis` |
 | 语音合成（TTS） | cosyvoice-v3.5-plus、cosyvoice-v1 | `SpeechSynthesizer`、`HttpSpeechSynthesizer` |

dashscope/__init__.py

@@ -42,6 +42,7 @@
     base_websocket_api_url,
     validate_workspace_id,
 )
+from dashscope.decision import AioDecisionModel, DecisionModel
 from dashscope.finetune.deployments import Deployments
 from dashscope.finetune.finetunes import FineTunes
 from dashscope.embeddings.batch_text_embedding import BatchTextEmbedding
@@ -169,6 +170,8 @@ def set_region(region: str, workspace_id: str = None):
     "Application",
     "TextReRank",
     "AioTextReRank",
+    "DecisionModel",
+    "AioDecisionModel",
     "Assistants",
     "Threads",
     "Messages",

dashscope/__init__.pyi

@@ -323,6 +323,61 @@ class AioTextReRank:
         **kwargs: Any,
     ) -> ReRankResponse: ...
 
+# ---------------------------------------------------------------------------
+# Decision Model
+# ---------------------------------------------------------------------------
+class DecisionUsage:
+    input_tokens: int
+
+class DecisionAnswer:
+    type: str
+    choice: str | None
+    noul: float | None
+    score: float | None
+    probabilities: Dict[str, float] | None
+    confidence: float | None
+    legend: Dict[str, str] | None
+
+class DecisionModelResponse:
+    model: str
+    request_id: str
+    status_code: int
+    answers: Dict[str, DecisionAnswer] | None
+    usage: DecisionUsage | None
+    latency_ms: float | None
+    code: str
+    message: str
+
+class DecisionModel:
+    class Models:
+        decision_model_preview: str
+    @classmethod
+    def call(
+        cls,
+        model: str,
+        state: Union[str, Dict[str, Any]],
+        questions: Dict[str, Dict[str, Any]],
+        api_key: str | None = None,
+        workspace: str | None = None,
+        extra_headers: Dict | None = None,
+        **kwargs: Any,
+    ) -> DecisionModelResponse: ...
+
+class AioDecisionModel:
+    class Models:
+        decision_model_preview: str
+    @classmethod
+    async def call(
+        cls,
+        model: str,
+        state: Union[str, Dict[str, Any]],
+        questions: Dict[str, Dict[str, Any]],
+        api_key: str | None = None,
+        workspace: str | None = None,
+        extra_headers: Dict | None = None,
+        **kwargs: Any,
+    ) -> DecisionModelResponse: ...
+
 # ---------------------------------------------------------------------------
 # Image Synthesis
 # ---------------------------------------------------------------------------

dashscope/decision/__init__.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
+from dashscope.decision.decision import (
+    AioDecisionModel,
+    DecisionAnswer,
+    DecisionModel,
+    DecisionModelResponse,
+    DecisionUsage,
+)
+
+__all__ = [
+    "DecisionModel",
+    "AioDecisionModel",
+    "DecisionAnswer",
+    "DecisionModelResponse",
+    "DecisionUsage",
+]