diff --git a/example_apps/openai_compatible.py b/example_apps/openai_compatible.py
index 921bcc4..e3341e1 100644
--- a/example_apps/openai_compatible.py
+++ b/example_apps/openai_compatible.py
@@ -31,6 +31,7 @@
 )
 
 MODEL = os.getenv("OPENAI_MODEL", "")
+REASONING_EFFORT = os.getenv("OPENAI_REASONING_EFFORT", "none")
 
 SYSTEM_PROMPT = "あなたは親切な音声アシスタントです。音声で返答するため、マークダウンは記述せず、簡潔に答えてください。だいたい3文程度で答えてください。"
 
@@ -80,6 +81,7 @@ async def talk_session(proxy: WsProxy):
         resp = await client.chat.completions.create(
             model=MODEL,
             messages=messages,
+            reasoning_effort=REASONING_EFFORT,
         )
 
         reply = resp.choices[0].message.content or ""
diff --git a/misc/on_mac_demo/start-ollama.sh b/misc/on_mac_demo/start-ollama.sh
new file mode 100755
index 0000000..53ba3ee
--- /dev/null
+++ b/misc/on_mac_demo/start-ollama.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+MODEL_NAME="gemma4:26b"
+CONTEXT_SIZE=$((1024 * 128))
+
+curl http://localhost:11434/api/generate \
+  -H 'Content-Type: application/json' \
+  -d "{
+    \"model\": \"$MODEL_NAME\",
+    \"keep_alive\": -1,
+    \"options\": {
+      \"num_ctx\": $CONTEXT_SIZE
+    }
+  }'"