diff --git a/README.md b/README.md
index 385d0a0..95f70f7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # PentestGPT
 
 **We're testing PentestGPT on HackTheBox**. You may follow [this link](https://www.hackthebox.com/home/users/profile/1489431). More details will be released soon.
+**We include a video of using PentestGPT for OSCP-like machine: [HTB-Jarvis](https://youtu.be/lAjLIj1JT3c)**. This is the first part only, and I'll complete the rest when I have time.
 
 ## Common Questions
 - **Q**: What is PentestGPT?
diff --git a/utils/pentest_gpt.py b/utils/pentest_gpt.py
index 94acce0..d53c4ee 100644
--- a/utils/pentest_gpt.py
+++ b/utils/pentest_gpt.py
@@ -47,7 +47,7 @@ class pentestGPT:
         "default": "The user did not specify the input source. You need to summarize based on the contents.\n",
     }
 
-    def __init__(self, reasoning_model="text-davinci-002-render-sha"):
+    def __init__(self, reasoning_model="gpt-4"):
         self.log_dir = "logs"
         self.chatGPTAgent = ChatGPT(ChatGPTConfig())
         self.chatGPT4Agent = ChatGPT(ChatGPTConfig(model=reasoning_model))