diff --git a/.gitignore b/.gitignore
index 8d69051..76bada3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@ data/*
 .DS_STORE
 *.db
 *.csv
-*__pycache__
\ No newline at end of file
+*__pycache__
+.env
\ No newline at end of file
diff --git a/app.py b/app.py
index 04ee485..8bbee72 100644
--- a/app.py
+++ b/app.py
@@ -1,7 +1,7 @@
+from src.constants import TABLE_NAME, DATABASE_NAME
 import streamlit as st
 import pandas as pd
 import sqlite3
-from src.constants import TABLE_NAME, DATABASE_NAME
 from src.sql_utils import run_query
 from src.llm_utils import get_sql_for, get_nlp_result_for
 from src.streamlit_utils import cleanup
@@ -17,7 +17,7 @@
     exit()
 
 df = pd.read_csv(uploaded_file)
-first_few_entries = df.head(4).to_string()
+first_few_entries = df.head(2).to_string()
 st.subheader("Data")
 st.write(df)
 
diff --git a/src/constants.py b/src/constants.py
index 95dea07..cce335c 100644
--- a/src/constants.py
+++ b/src/constants.py
@@ -1,2 +1,8 @@
+from dotenv import load_dotenv
+load_dotenv()
+import os
+
 TABLE_NAME = "tb"
-DATABASE_NAME = "db.db"
\ No newline at end of file
+DATABASE_NAME = "db.db"
+
+OPENAI_API_KEY=os.getenv('OPENAI_API_KEY')
\ No newline at end of file
diff --git a/src/llm_models.py b/src/llm_models.py
new file mode 100644
index 0000000..1525d10
--- /dev/null
+++ b/src/llm_models.py
@@ -0,0 +1,57 @@
+import requests
+import json
+from openai import OpenAI
+from src.constants import OPENAI_API_KEY
+
+print(OPENAI_API_KEY)
+client = OpenAI()
+client.api_key = OPENAI_API_KEY
+
+def execute_with_ollama(query):
+    payload = {
+        "model": "mistral",
+        "format": "json",
+        "stream": False,
+        "messages": [
+            {"role": "user", "content": query}
+        ]
+    }
+
+    payload_json = json.dumps(payload)
+    url = 'http://localhost:11434/api/chat'
+
+    try:
+        response = requests.post(url, data=payload_json)
+
+        if response.status_code == 200:
+            response_data = response.json()
+            response_data = json.loads(response_data['message']['content'])
+            print(response_data)
+            return response_data
+        else:
+            print(f"LLM Request failed with status code {response.status_code}")
+            return None
+    except requests.RequestException as e:
+        print(f"Request exception: {e}")
+        return None
+
+
+def execute_with_openai(query):
+    completion = client.chat.completions.create(
+      model="gpt-3.5-turbo-1106",
+      messages=[
+        {
+          "role": "system",
+          "content":query
+        },
+      ],
+      temperature=0.7,
+      max_tokens=64,
+      top_p=1,
+      response_format={ "type": "json_object" },
+    )
+    response = completion.choices[0].message.content;
+    print(response)
+    response = json.loads(response)
+    return response
+
diff --git a/src/llm_utils.py b/src/llm_utils.py
index 65be0fd..aadeaed 100644
--- a/src/llm_utils.py
+++ b/src/llm_utils.py
@@ -1,35 +1,22 @@
 from src.constants import TABLE_NAME
+from src.llm_models import execute_with_openai, execute_with_ollama
+import json
 
 
-import requests
-import json
+MODEL="mistral"
+# MODEL="openai"
 
-def execute_with_ollama(query):
+def execute_with_llm(query):
     print({"Query: ", query})
-    payload = {
-        "model": "mistral",
-        "format": "json",
-        "stream": False,
-        "messages": [
-            {"role": "user", "content": query}
-        ]
-    }
-
-    payload_json = json.dumps(payload)
-    url = 'http://localhost:11434/api/chat'
 
-    try:
-        response = requests.post(url, data=payload_json)
+    if MODEL == 'openai':
+        response = execute_with_openai(query)
+    elif MODEL == 'mistral':
+        response = execute_with_ollama(query)
+    else:
+        return Exception("Invalid model specified")
+    return response
 
-        if response.status_code == 200:
-            response_data = response.json()
-            return response_data['message']['content']
-        else:
-            print(f"LLM Request failed with status code {response.status_code}")
-            return None
-    except requests.RequestException as e:
-        print(f"Request exception: {e}")
-        return None
 
 def get_sql_for(user_query, table_info_string, first_few_entries ):
     llm_query= f"""
@@ -53,9 +40,8 @@ def get_sql_for(user_query, table_info_string, first_few_entries ):
         "error": null
     }}
     """
-    llm_response = execute_with_ollama(llm_query)
+    llm_response = execute_with_llm(llm_query)
 
-    llm_response = json.loads(llm_response)
     print(llm_response["sql"])
     return llm_response["sql"]
 
@@ -66,9 +52,9 @@ def get_nlp_result_for(user_query, sql_query, db_result):
     After running an SQL query of {sql_query}, the result of {db_result}  was obtained. 
     Based on this, in natural language answer the question: {user_query}. 
     If you cannot answer based on this, directly say so. Don't mention anything about SQL. 
-    Directly answer the user to the point.
+    Directly answer the user to the point Output in the following json format
+    {{response: <your response>}}.
 """
-    nlp_result = execute_with_ollama(llm_query)
+    nlp_result = execute_with_llm(llm_query)
     print(nlp_result)
-    nlp_result = json.loads(nlp_result)
     return nlp_result
\ No newline at end of file