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app.py

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+import gradio as gr
+from transformers import pipeline
+from sentence_transformers import SentenceTransformer, util
+import random
+
+# Load models
+paraphraser = pipeline("text2text-generation", model="Vamsi/T5_Paraphrase_Paws")
+similarity_model = SentenceTransformer('all-MiniLM-L6-v2')
+
+# Tone modifier prompts
+tone_prompts = {
+    "Academic": "Rewrite this in a scholarly and formal way:",
+    "Casual": "Rewrite this casually like a real student would talk:",
+    "Friendly": "Make this sound friendly and human-like:",
+    "Stealth (AI Detection Bypass)": "Paraphrase to avoid sounding like AI-generated content:"
+}
+
+def humanize_text(input_text, tone):
+    if not input_text.strip():
+        return "Please enter some text.", "", ""
+
+    style_prompt = tone_prompts.get(tone, "Paraphrase:")
+    result = paraphraser(f"{style_prompt} {input_text}", max_length=80, num_return_sequences=1)
+    output_text = result[0]['generated_text']
+
+    # Semantic similarity score
+    emb1 = similarity_model.encode(input_text, convert_to_tensor=True)
+    emb2 = similarity_model.encode(output_text, convert_to_tensor=True)
+    similarity_score = util.pytorch_cos_sim(emb1, emb2).item()
+
+    score_description = "✔️ Humanized (Safe)" if similarity_score < 0.92 else "⚠️ Still Close to AI Tone"
+
+    return output_text, f"{similarity_score:.2f}", score_description
+
+# Gradio Interface
+with gr.Blocks(theme=gr.themes.Base(primary_hue="blue", secondary_hue="blue")) as demo:
+    gr.Markdown("""
+    <h1 style='text-align: center; color: #0f172a;'>🧠 Taha's AI Humanizer Tool</h1>
+    <p style='text-align: center; color: #334155;'>Rewriting AI-generated text to sound real, authentic, and undetectable — made by Taha.</p>
+    """)
+
+    with gr.Row():
+        input_text = gr.Textbox(lines=6, label="🔤 Enter Your AI-Sounding Text")
+        output_text = gr.Textbox(lines=6, label="✅ Humanized Output")
+
+    tone = gr.Radio(["Academic", "Casual", "Friendly", "Stealth (AI Detection Bypass)"], label="🎯 Select Tone", value="Stealth (AI Detection Bypass)")
+
+    with gr.Row():
+        similarity = gr.Textbox(label="🔍 Semantic Similarity Score")
+        score_label = gr.Textbox(label="🧠 Humanization Check")
+
+    btn = gr.Button("🚀 Humanize It")
+
+    btn.click(fn=humanize_text, inputs=[input_text, tone], outputs=[output_text, similarity, score_label])
+
+    gr.Markdown("""
+    <hr>
+    <p style='text-align: center; font-size: 14px; color: #64748b;'>✨ Created with love by <strong>Taha</strong> — helping students stay original.</p>
+    """)
+
+demo.launch()

requirements.txt

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+gradio
+transformers
+sentence-transformers
+torch