diff --git a/homelab-ai-bot/__pycache__/llm.cpython-311.pyc b/homelab-ai-bot/__pycache__/llm.cpython-311.pyc
index dc9841ce..e5b08147 100644
Binary files a/homelab-ai-bot/__pycache__/llm.cpython-311.pyc and b/homelab-ai-bot/__pycache__/llm.cpython-311.pyc differ
diff --git a/homelab-ai-bot/llm.py b/homelab-ai-bot/llm.py
index 82ace1ab..2cab1352 100644
--- a/homelab-ai-bot/llm.py
+++ b/homelab-ai-bot/llm.py
@@ -323,14 +323,19 @@ def ask_with_tools(question: str, tool_handlers: dict, session_id: str = None) -
 
     route = _route_model(question)
 
-    # --- Deep Research: direkt aufrufen, kein LLM noetig ---
+    # --- Deep Research: Perplexity Sonar Deep Research ---
     if route == "deep_research":
-        log.info("Route: deep_research")
+        log.info("Route: sonar-deep-research")
         try:
-            from tools import deep_research
-            return deep_research.handle_deep_research(query=question)
+            messages_dr = [
+                {"role": "system", "content": "Du bist ein Recherche-Assistent. Antworte auf Deutsch, strukturiert, mit konkreten Zahlen und Quellen."},
+                {"role": "user", "content": question},
+            ]
+            data = _call_api(messages_dr, api_key, use_tools=False,
+                             model="perplexity/sonar-deep-research", max_tokens=4000)
+            return data["choices"][0]["message"].get("content", "Keine Antwort von Sonar Deep Research.")
         except Exception as e:
-            return f"Deep Research Fehler: {e}"
+            return f"Sonar Deep Research Fehler: {e}"
 
     log.info("Route: %s", route)