Then commit and push

$ git add app.py
$ git commit -m "Add application file"
$ git push

app.py

@@ -0,0 +1,28 @@
+import gradio as gr
+from transformers import AutoModelForCausalLM, AutoTokenizer, TextStreamer
+import torch
+
+model_id = "your-username/phi3-mini-4k-finetuned"
+
+tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
+model = AutoModelForCausalLM.from_pretrained(
+    model_id,
+    torch_dtype=torch.float32,
+    device_map="cpu"
+)
+
+def chat(prompt):
+    inputs = tokenizer(prompt, return_tensors="pt")
+    output = model.generate(
+        **inputs,
+        max_new_tokens=256,
+        temperature=0.7
+    )
+    return tokenizer.decode(output[0], skip_special_tokens=True)
+
+gr.Interface(
+    fn=chat,
+    inputs="text",
+    outputs="text",
+    title="Phi-3 Mini 4K Instruct (Fine-Tuned)"
+).launch()