diff --git a/browser_env/browser_use_runner.py b/browser_env/browser_use_runner.py
index 08ed6b42..dd201943 100644
--- a/browser_env/browser_use_runner.py
+++ b/browser_env/browser_use_runner.py
@@ -6,6 +6,13 @@ from urllib import error, request
 
 from browser_use import Agent, Browser, ChatOpenAI
 
+SPEED_OPTIMIZATION_PROMPT = """
+Speed optimization instructions:
+- Be extremely concise and direct in your responses
+- Get to the goal as quickly as possible
+- Use multi-action sequences whenever possible to reduce steps
+"""
+
 
 def _json_response(handler, status_code, payload):
     data = json.dumps(payload, ensure_ascii=False).encode("utf-8")
@@ -29,7 +36,13 @@ async def run_browser_task(task):
         temperature=0.0,
     )
 
-    agent = Agent(task=task, llm=llm, browser=browser)
+    agent = Agent(task=task,
+                  llm=llm,
+                  browser=browser,
+                  flash_mode=True,
+                  use_vision=False,
+                  extend_system_message=SPEED_OPTIMIZATION_PROMPT,
+                  )
 
     try:
         history = await agent.run()