diff --git a/router/ai_profile_router.py b/router/ai_profile_router.py
index 0f37d80..ae3b849 100755
--- a/router/ai_profile_router.py
+++ b/router/ai_profile_router.py
@@ -2091,7 +2091,11 @@ class Handler(BaseHTTPRequestHandler):
         self.end_headers()
         try:
             while True:
-                chunk = resp.read(16384)
+                # ``read(n)`` may wait until the complete buffer is filled.
+                # That defeats SSE: a client sees no token for a long time and
+                # may time out while llama.cpp is already generating. read1()
+                # returns the next currently available wire chunk instead.
+                chunk = resp.read1(16384)
                 if not chunk:
                     break
                 self.wfile.write(chunk)