diff --git a/code/gradio-example/app.py b/code/gradio-example/app.py
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+++ b/code/gradio-example/app.py
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+import os 
+import torch
+import openai
+import requests
+import gradio as gr
+import transformers
+import numpy as np
+from transformers import Pix2StructForConditionalGeneration, Pix2StructProcessor
+from transformers import AutoProcessor, AutoModelForCausalLM
+
+auth_username = os.environ["AUTH_USERNAME"]
+auth_password = os.environ["AUTH_PASSWORD"]
+cambridgeltl_access_token = os.environ['CAMBRIDGELTL_ACCESS_TOKEN']
+
+## med-alpaca
+
+from transformers import LlamaTokenizer, LlamaForCausalLM, GenerationConfig
+
+tokenizer = LlamaTokenizer.from_pretrained("cambridgeltl/med-alpaca-fp16", use_auth_token=cambridgeltl_access_token)
+
+device = "cuda" if torch.cuda.is_available() else "cpu"
+
+if device == "cuda":
+    model = LlamaForCausalLM.from_pretrained(
+        "cambridgeltl/med-alpaca-fp16",
+        use_auth_token=cambridgeltl_access_token,
+        load_in_8bit=True,
+        torch_dtype=torch.float16,
+        device_map="auto",
+    )
+    # model.half()
+else:
+    model = LlamaForCausalLM.from_pretrained(
+        "cambridgeltl/med-alpaca-fp16", use_auth_token=cambridgeltl_access_token, device_map={"": device}, low_cpu_mem_usage=True
+    )
+
+
+model.eval()
+if torch.__version__ >= "2":
+    model = torch.compile(model)
+
+## OpenAI models
+openai.api_key = os.environ.get("OPENAI_TOKEN", None) 
+def set_openai_api_key(api_key):
+    if api_key and api_key.startswith("sk-") and len(api_key) > 50:
+        openai.api_key = api_key
+
+def get_response_from_openai(prompt, model="gpt-3.5-turbo", max_output_tokens=512):
+  messages = [{"role": "assistant", "content": prompt}]
+  response = openai.ChatCompletion.create(
+      model=model,
+      messages=messages,
+      temperature=0.7,
+      max_tokens=max_output_tokens,
+      top_p=1,
+      frequency_penalty=0,
+      presence_penalty=0,
+  )
+  ret = response.choices[0].message['content']
+  return ret
+
+torch_dtype = torch.float16 if 'cuda' in device else torch.float32
+
+## deplot models
+model_deplot = Pix2StructForConditionalGeneration.from_pretrained("google/deplot", torch_dtype=torch_dtype).to(device)
+processor_deplot = Pix2StructProcessor.from_pretrained("google/deplot")
+## med-git models
+model_med_git = AutoModelForCausalLM.from_pretrained('cambridgeltl/med-git-base', use_auth_token=cambridgeltl_access_token, torch_dtype=torch_dtype).to(device)
+processor_med_git = AutoProcessor.from_pretrained('cambridgeltl/med-git-base', use_auth_token=cambridgeltl_access_token)
+
+def evaluate(
+    table,
+    question,
+    llm="med-alpaca",
+    input=None,
+    temperature=0.1,
+    top_p=0.75,
+    top_k=40,
+    num_beams=4,
+    max_new_tokens=512,
+    **kwargs,
+):
+    prompt_input = f"Below is an instruction that describes a task, paired with an input that provides further context of an uploaded image. Write a response that appropriately completes the request.\n\n### Instruction:\n{question}\n\n### Input:\n{table}\n\n### Response:\n"
+    prompt_no_input = f"Below is an instruction that describes a task. Write a response that appropriately completes the request.\n\n### Instruction:\n{question}\n\n### Response:\n"
+
+    prompt = prompt_input if len(table) > 0 else prompt_no_input
+    
+    output = "UNKNOWN ERROR"
+    if llm == "med-alpaca":
+        inputs = tokenizer(prompt, return_tensors="pt")
+        input_ids = inputs["input_ids"].to(device)
+        generation_config = GenerationConfig(
+            temperature=temperature,
+            top_p=top_p,
+            top_k=top_k,
+            num_beams=num_beams,
+            **kwargs,
+        )
+        with torch.no_grad():
+            generation_output = model.generate(
+                input_ids=input_ids,
+                generation_config=generation_config,
+                return_dict_in_generate=True,
+                output_scores=True,
+                max_new_tokens=max_new_tokens,
+            )
+        s = generation_output.sequences[0]
+        output = tokenizer.decode(s)
+        output = output.split("### Response:")[1].strip()
+    elif llm == "gpt-3.5-turbo":
+        try:
+            output = get_response_from_openai(prompt)
+        except:
+            output = "<Remember to input your OpenAI API key ☺>"
+    else:
+        RuntimeError(f"No such LLM: {llm}")
+        
+    return output
+
+
+def deplot(image, question, llm):
+    # image = Image.open(image)
+    inputs = processor_deplot(images=image, text="Generate the underlying data table for the figure below:", return_tensors="pt").to(device, torch_dtype)
+    predictions = model_deplot.generate(**inputs, max_new_tokens=512)
+    table = processor_deplot.decode(predictions[0], skip_special_tokens=True).replace("<0x0A>", "\n")
+
+    return table
+
+
+def med_git(image, question, llm):
+    # image = Image.open(image)
+    inputs = processor_med_git(images=image, return_tensors="pt").to(device)
+    pixel_values = inputs.pixel_values.to(torch_dtype)
+    generated_ids = model_med_git.generate(pixel_values=pixel_values, max_length=512)
+    captions = processor_med_git.batch_decode(generated_ids, skip_special_tokens=True)[0]
+
+    return captions
+
+
+def process_document(image, question, llm):
+    # image = Image.open(image)
+    if image:
+        if np.mean(image) >= 128:
+            table = deplot(image, question, llm)
+        else:
+            table = med_git(image, question, llm)
+    else:
+        table = ""
+        
+    # send prompt+table to LLM
+    res = evaluate(table, question, llm=llm)
+    return [table, res]
+
+
+theme = gr.themes.Monochrome(
+    primary_hue="indigo",
+    secondary_hue="blue",
+    neutral_hue="slate",
+    radius_size=gr.themes.sizes.radius_sm,
+    font=[gr.themes.GoogleFont("Open Sans"), "ui-sans-serif", "system-ui", "sans-serif"],
+)
+
+with gr.Blocks(theme=theme) as demo:
+    with gr.Column():
+      gr.Markdown(
+            """<h1><center>Visual Med-Alpaca: Bridging Modalities in Biomedical Language Models</center></h1>
+            <p>
+            This is a demo of Visual Med-Alpaca for multi-modal medical foundation model. To use it, simply upload your image and type a question or instruction and click 'submit'.
+            </p>
+            """
+            )
+
+    with gr.Row():
+      with gr.Column(scale=2):
+        input_image = gr.Image(label="Input Image", type="pil", interactive=True)
+        #input_image.style(height=512, width=512)
+        instruction = gr.Textbox(placeholder="Enter your instruction/question...", label="Question/Instruction")
+        llm = gr.Dropdown(["med-alpaca", "gpt-3.5-turbo"], label="LLM")
+        openai_api_key_textbox = gr.Textbox(value='', 
+                                            placeholder="Paste your OpenAI API key (sk-...) and hit Enter (if using OpenAI models, otherwise leave empty)",
+                                            show_label=False, lines=1, type='password')          
+        submit = gr.Button("Submit", variant="primary")
+  
+      with gr.Column(scale=2):  
+        with gr.Accordion("Show intermediate table", open=False):
+          output_table = gr.Textbox(lines=8, label="Intermediate Table")
+        output_text = gr.Textbox(lines=8, label="Output")
+
+    gr.Examples(
+        examples=[
+            [None, "what are the chemicals that treat hair loss?", "med-alpaca"],
+            ["case_study_1.jpg", "what is seen in the x-ray and what should be done?", "med-alpaca"],
+            ["case_study_2.jpg", "how effective is this treatment on papule?", "med-alpaca"],
+            ["case_study_3.png", "is absorbance related to number of cells?", "med-alpaca"],
+        ],
+        cache_examples=False,
+        inputs=[input_image, instruction, llm],
+        outputs=[output_table, output_text],
+        fn=process_document
+    )
+
+    # gr.Markdown(
+    #         """<p style='text-align: center'><a href='https://arxiv.org/abs/2212.10505' target='_blank'>DePlot: One-shot visual language reasoning by plot-to-table translation</a></p>"""
+    # )
+    openai.api_key = ""
+    openai_api_key_textbox.change(set_openai_api_key,
+                                      inputs=[openai_api_key_textbox],
+                                      outputs=[])
+    openai_api_key_textbox.submit(set_openai_api_key,
+                                      inputs=[openai_api_key_textbox],
+                                      outputs=[])
+    submit.click(process_document, inputs=[input_image, instruction, llm], outputs=[output_table, output_text])
+    instruction.submit(
+        process_document, inputs=[input_image, instruction, llm], outputs=[output_table, output_text]
+    )
+
+demo.queue(concurrency_count=1).launch(auth=(auth_username, auth_password))
diff --git a/code/gradio-example/case_study_1.jpg b/code/gradio-example/case_study_1.jpg
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diff --git a/code/gradio-example/case_study_3.png b/code/gradio-example/case_study_3.png
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diff --git a/code/gradio-example/requirements.txt b/code/gradio-example/requirements.txt
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+++ b/code/gradio-example/requirements.txt
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+torch
+git+https://github.com/huggingface/transformers
+datasets
+loralib
+sentencepiece
+accelerate
+bitsandbytes
+git+https://github.com/huggingface/peft.git
+gradio
+openai
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