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@@ -0,0 +1,35 @@
+*.7z filter=lfs diff=lfs merge=lfs -text
+*.arrow filter=lfs diff=lfs merge=lfs -text
+*.bin filter=lfs diff=lfs merge=lfs -text
+*.bz2 filter=lfs diff=lfs merge=lfs -text
+*.ckpt filter=lfs diff=lfs merge=lfs -text
+*.ftz filter=lfs diff=lfs merge=lfs -text
+*.gz filter=lfs diff=lfs merge=lfs -text
+*.h5 filter=lfs diff=lfs merge=lfs -text
+*.joblib filter=lfs diff=lfs merge=lfs -text
+*.lfs.* filter=lfs diff=lfs merge=lfs -text
+*.mlmodel filter=lfs diff=lfs merge=lfs -text
+*.model filter=lfs diff=lfs merge=lfs -text
+*.msgpack filter=lfs diff=lfs merge=lfs -text
+*.npy filter=lfs diff=lfs merge=lfs -text
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+*.parquet filter=lfs diff=lfs merge=lfs -text
+*.pb filter=lfs diff=lfs merge=lfs -text
+*.pickle filter=lfs diff=lfs merge=lfs -text
+*.pkl filter=lfs diff=lfs merge=lfs -text
+*.pt filter=lfs diff=lfs merge=lfs -text
+*.pth filter=lfs diff=lfs merge=lfs -text
+*.rar filter=lfs diff=lfs merge=lfs -text
+*.safetensors filter=lfs diff=lfs merge=lfs -text
+saved_model/**/* filter=lfs diff=lfs merge=lfs -text
+*.tar.* filter=lfs diff=lfs merge=lfs -text
+*.tar filter=lfs diff=lfs merge=lfs -text
+*.tflite filter=lfs diff=lfs merge=lfs -text
+*.tgz filter=lfs diff=lfs merge=lfs -text
+*.wasm filter=lfs diff=lfs merge=lfs -text
+*.xz filter=lfs diff=lfs merge=lfs -text
+*.zip filter=lfs diff=lfs merge=lfs -text
+*.zst filter=lfs diff=lfs merge=lfs -text
+*tfevents* filter=lfs diff=lfs merge=lfs -text
diff --git a/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/README.md b/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/README.md
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@@ -0,0 +1,13 @@
+---
+title: Voice Enabled Multi Model AI Assistant
+emoji: 💻
+colorFrom: gray
+colorTo: gray
+sdk: gradio
+sdk_version: 5.49.0
+app_file: Voice_Enabled_Multi_Model_AI_Assistant.py
+pinned: false
+license: apache-2.0
+---
+
+Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
diff --git a/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/Voice_Enabled_Multi_Model_AI_Assistant.py b/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/Voice_Enabled_Multi_Model_AI_Assistant.py
new file mode 100644
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--- /dev/null
+++ b/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/Voice_Enabled_Multi_Model_AI_Assistant.py
@@ -0,0 +1,620 @@
+import os
+import gradio as gr
+from openai import OpenAI
+import anthropic
+import google.generativeai as genai
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
+anthropic_api_key = os.getenv('ANTHROPIC_API_KEY')
+google_api_key = os.getenv('GOOGLE_API_KEY')
+
+# Verify API keys are loaded
+if not OPENAI_API_KEY:
+    raise ValueError("OPENAI_API_KEY not found in environment variables")
+if not anthropic_api_key:
+    raise ValueError("ANTHROPIC_API_KEY not found in environment variables")
+if not google_api_key:
+    raise ValueError("GOOGLE_API_KEY not found in environment variables")
+
+# Initialize clients
+openai_client = OpenAI(api_key=OPENAI_API_KEY)
+genai.configure(api_key=google_api_key)
+claude_client = anthropic.Anthropic(api_key=anthropic_api_key)
+
+# System prompt - Universal and comprehensive
+SYSTEM_PROMPT = """You are a highly capable and versatile AI assistant designed to help with any type of question or task.
+
+Your capabilities span across all domains including but not limited to:
+- Programming, software development, and technology
+- Science, mathematics, and engineering
+- Arts, literature, and creative writing
+- History, philosophy, and social sciences
+- Business, finance, and economics
+- Health, wellness, and lifestyle advice
+- Education and learning support
+- Problem-solving and critical thinking
+- General knowledge and trivia
+- Casual conversation and entertainment
+
+Guidelines:
+- Provide accurate, helpful, and comprehensive responses
+- Adapt your tone and style to match the context of the question
+- Use examples and explanations when helpful
+- Be creative when asked for creative content
+- Be precise and factual when asked for information
+- Ask clarifying questions if the request is ambiguous
+- Admit when you're uncertain and provide the best possible guidance
+- Be conversational, friendly, and supportive
+
+You can help with anything from technical coding problems to creative storytelling, from academic research to casual chat. There are no topic restrictions - feel free to engage with any subject matter the user brings up."""
+
+# Model configurations
+model_configs = {
+    "GPT-4o": {"provider": "openai", "model": "gpt-4o"},
+    "GPT-4o-mini": {"provider": "openai", "model": "gpt-4o-mini"},
+    "GPT-3.5-turbo": {"provider": "openai", "model": "gpt-3.5-turbo"},
+    "Claude Sonnet 4": {"provider": "anthropic", "model": "claude-sonnet-4-20250514"},
+    "Gemini 2.0 Flash": {"provider": "google", "model": "gemini-2.0-flash-exp"},
+}
+
+def chat_streaming(message, history, model_name, temperature):
+    """Main chat function with streaming support"""
+    
+    config = model_configs[model_name]
+    provider = config["provider"]
+    model = config["model"]
+    
+    # Convert messages format history to API format
+    messages = []
+    for msg in history:
+        if msg["role"] == "user":
+            messages.append({"role": "user", "content": msg["content"]})
+        elif msg["role"] == "assistant":
+            messages.append({"role": "assistant", "content": msg["content"]})
+    messages.append({"role": "user", "content": message})
+    
+    # Stream based on provider
+    if provider == "openai":
+        stream = openai_client.chat.completions.create(
+            model=model,
+            messages=[{"role": "system", "content": SYSTEM_PROMPT}] + messages,
+            temperature=temperature,
+            stream=True
+        )
+        
+        response = ""
+        for chunk in stream:
+            if chunk.choices[0].delta.content:
+                response += chunk.choices[0].delta.content
+                yield response
+                
+    elif provider == "anthropic":
+        response = ""
+        with claude_client.messages.stream(
+            model=model,
+            max_tokens=2000,
+            temperature=temperature,
+            system=SYSTEM_PROMPT,
+            messages=messages,
+        ) as stream:
+            for text in stream.text_stream:
+                response += text
+                yield response
+                
+    elif provider == "google":
+        gemini = genai.GenerativeModel(
+            model_name=model,
+            system_instruction=SYSTEM_PROMPT,
+        )
+        
+        # Convert history for Gemini
+        gemini_history = []
+        for msg in history:
+            if msg["role"] == "user":
+                gemini_history.append({"role": "user", "parts": [msg["content"]]})
+            elif msg["role"] == "assistant":
+                gemini_history.append({"role": "model", "parts": [msg["content"]]})
+        
+        chat = gemini.start_chat(history=gemini_history)
+        
+        stream = chat.send_message(
+            message,
+            stream=True,
+            generation_config=genai.types.GenerationConfig(temperature=temperature)
+        )
+        
+        response = ""
+        for chunk in stream:
+            response += chunk.text
+            yield response
+
+def handle_audio_input(audio):
+    """Transcribe audio input using Whisper"""
+    if audio is None:
+        return ""
+    
+    try:
+        audio_file = open(audio, "rb")
+        transcript = openai_client.audio.transcriptions.create(
+            model="whisper-1",
+            file=audio_file
+        )
+        return transcript.text
+    except Exception as e:
+        return f"Error transcribing audio: {str(e)}"
+
+def text_to_speech(text):
+    """Convert text response to speech"""
+    try:
+        response = openai_client.audio.speech.create(
+            model="tts-1",
+            voice="nova",
+            input=text[:4096]  # Limit to prevent errors
+        )
+        
+        audio_path = "response.mp3"
+        response.stream_to_file(audio_path)
+        return audio_path
+    except Exception as e:
+        print(f"TTS Error: {str(e)}")
+        return None
+
+# Custom CSS for modern, attractive UI
+custom_css = """
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
+
+.gradio-container {
+    font-family: 'Inter', sans-serif !important;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
+}
+
+:root .dark {
+  --background-fill-primary: #f0f0f0;
+  --body-background-fill: var(--background-fill-primary);
+  --block-background-fill: white !important;
+  --block-title-background-fill: #dfe7ff;
+  --block-title-text-color:#6366f1;
+  --body-text-color: black;
+  --button-secondary-text-color:black;
+  --input-background-fill:white;
+
+  --block-label-background-fill:#dfe7ff;
+  --block-label-text-color:#6366f1;
+
+  --block-border-color:#eaeaea;
+  --input-border-color: #eaeaea;
+  --border-color-primary:#eaeaea;
+
+  --color-accent-soft: #dfe7ff;
+  --border-color-accent-subdued: #98a6cf;
+
+  --checkbox-background-color: #eaeaea;
+  --checkbox-border-color: #eaeaea;
+  --background-fill-secondary:#eaeaea;
+}
+
+.main {
+    background: white;
+    border-radius: 20px;
+    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
+    padding: 0 !important;
+    overflow: hidden;
+}
+
+.contain {
+    padding: 2rem !important;
+}
+
+/* Header Styling */
+.header-section {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    padding: 2.5rem 2rem;
+    border-radius: 20px 20px 0 0;
+    margin: -2rem 0rem 2rem 0rem;
+    color: white;
+    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
+}
+
+.header-section h1 {
+    font-size: 2.5rem !important;
+    font-weight: 700 !important;
+    margin: 0 0 0.5rem 0 !important;
+    color: white !important;
+    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
+}
+
+.header-section p {
+    font-size: 1.1rem !important;
+    margin: 0.5rem 0 !important;
+    color: rgba(255,255,255,0.95) !important;
+    font-weight: 400;
+}
+
+.feature-badge {
+    display: inline-block;
+    background: rgba(255,255,255,0.2);
+    padding: 0.4rem 1rem;
+    border-radius: 20px;
+    margin: 0.3rem;
+    font-size: 0.9rem;
+    backdrop-filter: blur(10px);
+    border: 1px solid rgba(255,255,255,0.3);
+}
+
+/* Sidebar Styling */
+.control-panel {
+    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
+    padding: 1.5rem;
+    border-radius: 15px;
+    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
+    height: 100%;
+}
+
+.control-panel label {
+    font-weight: 600 !important;
+    font-size: 0.95rem !important;
+}
+
+/* Dropdown Styling */
+.dropdown-container select {
+    background: white !important;
+    border: 2px solid #e2e8f0 !important;
+    border-radius: 10px !important;
+    padding: 0.75rem !important;
+    font-weight: 500 !important;
+    transition: all 0.3s ease !important;
+}
+
+.dropdown-container select:hover {
+    border-color: #667eea !important;
+    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
+}
+
+/* Slider Styling */
+input[type="range"] {
+    accent-color: #667eea !important;
+}
+
+/* Button Styling */
+.primary-btn {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
+    border: none !important;
+    color: white !important;
+    font-weight: 600 !important;
+    padding: 0.75rem 2rem !important;
+    border-radius: 10px !important;
+    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4) !important;
+    transition: all 0.3s ease !important;
+}
+
+.primary-btn:hover {
+    transform: translateY(-2px) !important;
+    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6) !important;
+}
+
+.secondary-btn {
+    background: #e2e8f0 !important;
+    border: none !important;
+    color: #2d3748 !important;
+    font-weight: 600 !important;
+    padding: 0.75rem 1.5rem !important;
+    border-radius: 10px !important;
+    transition: all 0.3s ease !important;
+}
+
+.secondary-btn:hover {
+    background: #cbd5e0 !important;
+    transform: translateY(-2px) !important;
+}
+
+/* Chatbot Styling */
+.chatbot-container {
+    background: white;
+    border-radius: 15px;
+    border: 2px solid #e2e8f0;
+    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
+    overflow: hidden;
+}
+
+/* Input Box Styling */
+.message-input textarea {
+    border: 2px solid #e2e8f0 !important;
+    border-radius: 12px !important;
+    padding: 1rem !important;
+    font-size: 1rem !important;
+    transition: all 0.3s ease !important;
+}
+
+.message-input textarea:focus {
+    border-color: #667eea !important;
+    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
+}
+
+/* Input Row Centering */
+.input-row {
+    display: flex !important;
+    justify-content: center !important;
+    align-items: center !important;
+    gap: 1rem !important;
+}
+
+.input-row > * {
+    flex-shrink: 0 !important;
+}
+
+/* Audio Components */
+.audio-component {
+    background: #f7fafc;
+    border: 2px dashed #cbd5e0;
+    border-radius: 12px;
+    padding: 1rem;
+    transition: all 0.3s ease;
+}
+
+.audio-component:hover {
+    border-color: #667eea;
+    background: #edf2f7;
+}
+
+/* Checkbox Styling */
+.checkbox-label {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    font-weight: 500;
+    color: #2d3748;
+}
+
+/* Tips Section */
+.tips-section {
+    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
+    padding: 1.5rem;
+    border-radius: 15px;
+    margin-top: 2rem;
+    border-left: 4px solid #667eea;
+}
+
+.tips-section h3 {
+    color: #667eea !important;
+    font-weight: 600 !important;
+    margin-bottom: 1rem !important;
+}
+
+.tips-section ul {
+    list-style: none;
+    padding: 0;
+}
+
+.tips-section li {
+    padding: 0.5rem 0;
+    color: #4a5568 !important;
+    font-size: 0.95rem;
+}
+
+.tips-section li:before {
+    content: "→ ";
+    color: #667eea;
+    font-weight: bold;
+    margin-right: 0.5rem;
+}
+
+/* Force black color for strong/bold text */
+.tips-section strong {
+    color: #1a202c !important;
+}
+
+.prose * {
+    color: inherit !important;
+}
+
+.prose strong {
+    color: #1a202c !important;
+    font-weight: 600 !important;
+}
+
+/* Responsive Design */
+@media (max-width: 768px) {
+    .header-section h1 {
+        font-size: 1.8rem !important;
+    }
+    
+    .contain {
+        padding: 1rem !important;
+    }
+}
+
+.fillable{
+    max-width:95% !important;
+}
+#component-5{
+    flex-grow:1.1 !important;
+}
+.bubble-wrap.svelte-gjtrl6 {
+    background:none !important;
+}
+.bot.svelte-1csv61q.message {
+    background-color: white !important;
+    border: 1px solid #f3f3f3;
+}
+.options.svelte-y6qw75> li:hover{
+    background:white ;
+}
+.options.svelte-y6qw75> .selected{
+    background:white ;
+}
+
+"""
+
+# Build Gradio Interface
+with gr.Blocks(css=custom_css, theme=gr.themes.Soft()) as demo:
+    
+    # Header
+    with gr.Row(elem_classes="header-section"):
+        with gr.Column():
+            gr.HTML("""
+                <h1>🚀 Voice Enabled Multi Model AI-Assistant</h1>
+                <p>Your intelligent companion for any question - from coding to creativity, science to storytelling!</p>
+                <div style="margin-top: 1rem;">
+                    <span class="feature-badge">🤖 7 AI Models</span>
+                    <span class="feature-badge">🎤 Voice Input</span>
+                    <span class="feature-badge">🔊 Audio Output</span>
+                    <span class="feature-badge">⚡ Real-time Streaming</span>
+                    <span class="feature-badge">🌐 Any Topic</span>
+                </div>
+            """)
+    
+    with gr.Row():
+        # Left Sidebar - Controls
+        with gr.Column(scale=1, elem_classes="control-panel"):
+            gr.HTML("<h3 style='color: #2d3748 !important; margin-top: 0;'>⚙️ Settings</h3>")
+            
+            model_choice = gr.Dropdown(
+                choices=list(model_configs.keys()),
+                value="GPT-4o-mini",
+                label="🤖 AI Model",
+                info="Select your preferred model",
+                elem_classes="dropdown-container"
+            )
+            
+            temperature = gr.Slider(
+                minimum=0,
+                maximum=1,
+                value=0.7,
+                step=0.1,
+                label="🌡️ Temperature",
+                info="Higher = more creative responses"
+            )
+            
+            gr.HTML("<div style='margin: 1.5rem 0 0.5rem 0; padding-top: 1.5rem; border-top: 2px solid #cbd5e0;'><h4 style='color: #2d3748 !important; margin: 0;'>🎙️ Audio Features</h4></div>")
+            
+            audio_input = gr.Audio(
+                sources=["microphone"],
+                type="filepath",
+                label="🎤 Voice Input",
+                elem_classes="audio-component"
+            )
+            
+            audio_output_enabled = gr.Checkbox(
+                label="🔊 Enable Audio Response",
+                value=False,
+                elem_classes="checkbox-label"
+            )
+        
+        # Right Side - Chat Interface
+        with gr.Column(scale=3):
+            chatbot = gr.Chatbot(
+                label="💬 Conversation",
+                height=550,
+                show_copy_button=True,
+                type='messages',
+                elem_classes="chatbot-container",
+                avatar_images=(None, "https://api.dicebear.com/7.x/bottts/svg?seed=ai")
+            )
+            
+            with gr.Row(elem_classes="input-row"):
+                msg = gr.Textbox(
+                    label="",
+                    placeholder="💭 Ask me anything - tech help, creative writing, life advice, science, history, or just chat!",
+                    scale=5,
+                    elem_classes="message-input",
+                    show_label=False
+                )
+                submit_btn = gr.Button("Send 📤", scale=1, elem_classes="primary-btn")
+            
+            audio_response = gr.Audio(
+                label="🔊 Audio Response", 
+                visible=False,
+                elem_classes="audio-component"
+            )
+            
+            with gr.Row():
+                clear_btn = gr.Button("🗑️ Clear Chat", elem_classes="secondary-btn")
+    
+    # Tips Section
+    with gr.Row(elem_classes="tips-section"):
+        gr.Markdown("""
+        ### 💡 What Can I Help You With?
+        
+        - **Technology & Programming**: Debug code, explain concepts, build projects, learn new languages
+        - **Creative Writing**: Stories, poems, scripts, brainstorming ideas, character development
+        - **Education & Learning**: Homework help, concept explanations, study guides, tutoring
+        - **Business & Career**: Resume writing, business plans, marketing ideas, career advice
+        - **Science & Math**: Problem-solving, research assistance, concept explanations
+        - **Daily Life**: Recipe suggestions, travel planning, health tips, relationship advice
+        - **Entertainment**: Jokes, trivia, games, recommendations for books/movies/music
+        - **And Literally Anything Else**: No topic is off-limits - just ask!
+        """)
+    
+    # Event handlers
+    def process_message(message, history, model, temp, audio_enabled):
+        """Process message and optionally generate audio"""
+        # Add user message to history
+        history = history + [{"role": "user", "content": message}]
+        
+        # Generate text response (streaming)
+        bot_message = None
+        for response in chat_streaming(message, history[:-1], model, temp):
+            bot_message = response
+            yield history + [{"role": "assistant", "content": response}], None
+        
+        # Final history with complete response
+        final_history = history + [{"role": "assistant", "content": bot_message}]
+        
+        # Generate audio if enabled
+        if audio_enabled and bot_message:
+            audio_path = text_to_speech(bot_message)
+            yield final_history, audio_path
+        else:
+            yield final_history, None
+    
+    def transcribe_and_send(audio, history, model, temp, audio_enabled):
+        """Transcribe audio and process message"""
+        text = handle_audio_input(audio)
+        if text and text != "" and not text.startswith("Error"):
+            # Process the message and get results
+            for hist, aud in process_message(text, history, model, temp, audio_enabled):
+                yield hist, aud
+        else:
+            # If no text or error, return history unchanged
+            yield history, None
+
+    # Wire up events
+    submit_btn.click(
+        fn=process_message,
+        inputs=[msg, chatbot, model_choice, temperature, audio_output_enabled],
+        outputs=[chatbot, audio_response]
+    ).then(lambda: "", None, msg)
+
+    msg.submit(
+        fn=process_message,
+        inputs=[msg, chatbot, model_choice, temperature, audio_output_enabled],
+        outputs=[chatbot, audio_response]
+    ).then(lambda: "", None, msg)
+
+    # Audio input handler using stop_recording event
+    audio_input.stop_recording(
+        fn=transcribe_and_send,
+        inputs=[audio_input, chatbot, model_choice, temperature, audio_output_enabled],
+        outputs=[chatbot, audio_response]
+    )
+
+    # Clear button clears chat, audio response, and audio input
+    clear_btn.click(
+        fn=lambda: ([], None, None), 
+        inputs=None, 
+        outputs=[chatbot, audio_response, audio_input]
+    )
+
+    # Toggle audio response visibility
+    audio_output_enabled.change(
+        fn=lambda x: gr.Audio(visible=x),
+        inputs=audio_output_enabled,
+        outputs=audio_response
+    )
+
+# Launch the app
+if __name__ == "__main__":
+    demo.launch(share=False, debug=True)
\ No newline at end of file
diff --git a/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/requirements.txt b/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/requirements.txt
new file mode 100644
index 0000000..3ba6475
--- /dev/null
+++ b/week2/community-contributions/Voice_Enabled_Multi_Model_AI_Assistant/requirements.txt
@@ -0,0 +1,5 @@
+gradio
+openai
+anthropic
+google-generativeai
+python-dotenv
\ No newline at end of file