From 355ba475a2b073d7ca12f903d57e062aa2e599a9 Mon Sep 17 00:00:00 2001
From: GuoXun <15140725+Chrysochrome@users.noreply.github.com>
Date: Mon, 16 Feb 2026 18:18:34 +0800
Subject: [PATCH] Feat: Add support for Qwen 3.5

---
 libs/community/langchain_community/chat_models/tongyi.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libs/community/langchain_community/chat_models/tongyi.py b/libs/community/langchain_community/chat_models/tongyi.py
index 2a24f5e92..d83aa6641 100644
--- a/libs/community/langchain_community/chat_models/tongyi.py
+++ b/libs/community/langchain_community/chat_models/tongyi.py
@@ -498,10 +498,13 @@ def validate_environment(cls, values: Dict) -> Dict:
             "qwen-vl-plus-latest",
             "qwen-vl-max",
             "qwen-vl-max-latest",
+            "qwen3.5-plus",
+            "qwen3.5-397b-a17b"
         ]
         if (
             values["model_name"] in dashscope_multimodal_models
             or "vl" in values["model_name"]
+            or "qwen3.5-plus" in values["model_name"]
         ):
             try:
                 values["client"] = dashscope.MultiModalConversation