diff --git a/dsh/app.py b/dsh/app.py
index 46f68ca..57f64e8 100644
--- a/dsh/app.py
+++ b/dsh/app.py
@@ -272,17 +272,20 @@ async def chat(message: Annotated[str, Form()],
             session["model"] = model
         hist = session["messages"]
         hist.append({"role": "user", "content": message})
-        if use_vision:
+        sel = session.get("model") or ""
+        use_multimodal = use_vision or (sel in VISION_OVERRIDE_MODELS)
+        if use_multimodal:
             base = VISION_BASE
             key = VISION_KEY
+            mm_model = sel if (sel in VISION_OVERRIDE_MODELS) else VISION_MODEL
+            content = [{"type": "text", "text": message or ("Describe this image." if use_vision else "")}]
+            if use_vision:
+                content.append({"type": "image_url", "image_url": {"url": image}})
             payload = {
-                "model": VISION_MODEL,
+                "model": mm_model,
                 "messages": [
                     {"role": "system", "content": SYSTEM_PROMPT},
-                    {"role": "user", "content": [
-                        {"type": "text", "text": message or "Describe this image."},
-                        {"type": "image_url", "image_url": {"url": image}},
-                    ]},
+                    {"role": "user", "content": content},
                 ],
                 "stream": True,
                 "temperature": 0.4,
@@ -290,7 +293,7 @@ async def chat(message: Annotated[str, Form()],
         else:
             base = LLM_BASE
             key = LLM_KEY
-            active_model = session.get("model") or LLM_MODEL
+            active_model = sel or LLM_MODEL
             if active_model not in MODEL_CHOICES:
                 active_model = LLM_MODEL
             payload = {
@@ -404,12 +407,15 @@ async def generate_image(prompt: Annotated[str, Form()]) -> dict:
 
 MODEL_CHOICES = ["opencode-go/deepseek-v4-flash",
                  "deepseek/deepseek-v4-flash",
-                 "deepseek/deepseek-v4-pro"]
+                 "deepseek/deepseek-v4-pro",
+                 "z-ai/glm-5v-turbo"]
 MODEL_LABELS = {
     "opencode-go/deepseek-v4-flash": "Chat · opencode-go flash",
     "deepseek/deepseek-v4-flash": "Reasoning · deepseek flash",
     "deepseek/deepseek-v4-pro": "Coding · deepseek pro",
+    "z-ai/glm-5v-turbo": "Multimodal · GLM vision",
 }
+VISION_OVERRIDE_MODELS = {"z-ai/glm-5v-turbo"}
 
 
 @app.get("/api/models")