diff --git a/Chatbot.py b/Chatbot.py
index 0a4f2df45..f9b2cef43 100644
--- a/Chatbot.py
+++ b/Chatbot.py
@@ -1,29 +1,83 @@
-from openai import OpenAI
 import streamlit as st
+import openai
+import os
+from pydub import AudioSegment
+from pydub.playback import play
+from io import BytesIO
+
+# Initialize OpenAI client instance
+def init_openai():
+    openai_api_key = st.session_state.get("openai_api_key")
+    if openai_api_key:
+        openai.api_key = openai_api_key
+        return openai
+    return None
+
+# Function to generate speech from text
+def generate_speech(text, client):
+    response = client.Audio.create(
+        model="tts-1",
+        voice="alloy",
+        input=text,
+    )
+    audio_content = response["audio"]
+    st.audio(audio_content, format="audio/mp3")
+
+# Function to transcribe speech to text
+def transcribe_speech(file_buffer, client):
+    response = client.Audio.transcriptions.create(
+        file=file_buffer,
+        model="whisper-1"
+    )
+    return response["text"]
 
 with st.sidebar:
-    openai_api_key = st.text_input("OpenAI API Key", key="chatbot_api_key", type="password")
+    openai_api_key = st.text_input("OpenAI API Key", key="openai_api_key", type="password")
+    if openai_api_key:
+        st.session_state["openai_api_key"] = openai_api_key
+
     "[Get an OpenAI API key](https://platform.openai.com/account/api-keys)"
     "[View the source code](https://github.com/streamlit/llm-examples/blob/main/Chatbot.py)"
     "[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/streamlit/llm-examples?quickstart=1)"
 
 st.title("💬 Chatbot")
 st.caption("🚀 A Streamlit chatbot powered by OpenAI")
+
+# Initialize session state for messages
 if "messages" not in st.session_state:
     st.session_state["messages"] = [{"role": "assistant", "content": "How can I help you?"}]
 
-for msg in st.session_state.messages:
+# Display message history
+for msg in st.session_state["messages"]:
     st.chat_message(msg["role"]).write(msg["content"])
 
+openai_client = init_openai()
+
 if prompt := st.chat_input():
-    if not openai_api_key:
+    if not openai_client:
         st.info("Please add your OpenAI API key to continue.")
         st.stop()
 
-    client = OpenAI(api_key=openai_api_key)
-    st.session_state.messages.append({"role": "user", "content": prompt})
+    st.session_state["messages"].append({"role": "user", "content": prompt})
     st.chat_message("user").write(prompt)
-    response = client.chat.completions.create(model="gpt-3.5-turbo", messages=st.session_state.messages)
-    msg = response.choices[0].message.content
-    st.session_state.messages.append({"role": "assistant", "content": msg})
+
+    response = openai_client.ChatCompletion.create(
+        model="gpt-4",
+        messages=st.session_state["messages"]
+    )
+
+    msg = response.choices[0]["message"]["content"]
+    st.session_state["messages"].append({"role": "assistant", "content": msg})
     st.chat_message("assistant").write(msg)
+
+    # Provide options to generate speech or upload voice for transcription
+    if st.button("Generate Speech"):
+        if openai_client:
+            generate_speech(msg, openai_client)
+
+    uploaded_file = st.file_uploader("Upload Audio for Transcription", type=["mp3", "wav"])
+    if uploaded_file is not None:
+        file_buffer = BytesIO(uploaded_file.read())
+        if openai_client:
+            transcribed_text = transcribe_speech(file_buffer, openai_client)
+            st.write("Transcribed text: ", transcribed_text)