change modeo to gpt4 turbo

app.py

@@ -22,12 +22,13 @@ from openai import OpenAI
 from concurrent.futures import ThreadPoolExecutor
 import tiktoken
 
-
+usemodelname='gpt-4-0125-preview'
 
 def call_openai_api(openaiobj,transcription):
 
     response = openaiobj.chat.completions.create(
-        model="gpt-3.5-turbo",
+        #model="gpt-3.5-turbo",
+        model=usemodelname,
         temperature=0,
         messages=[
             {
@@ -44,7 +45,8 @@ def call_openai_api(openaiobj,transcription):
 def call_openai_summary(openaiobj,transcription):
 
     response = openaiobj.chat.completions.create(
-        model="gpt-3.5-turbo",
+        #model="gpt-3.5-turbo",
+        model=usemodelname,
         temperature=0,
         messages=[
             {
@@ -61,8 +63,9 @@ def call_openai_summary(openaiobj,transcription):
 
 
 
-def split_into_chunks(text, tokens=3500):
-    encoding = tiktoken.encoding_for_model('gpt-3.5-turbo')
+def split_into_chunks(text, tokens=127900):
+    #encoding = tiktoken.encoding_for_model('gpt-3.5-turbo')
+    encoding = tiktoken.encoding_for_model(usemodelname)
     words = encoding.encode(text)
     chunks = []
     for i in range(0, len(words), tokens):