Update requirements.txt

requirements.txt

@@ -1,9 +1,11 @@
-gradio>=3.50.2
-transformers>=4.40.0
-sentence-transformers>=2.6.1
-torch>=2.0.0
-sentencepiece>=0.1.99
-scikit-learn>=1.0.2
-numpy>=1.21.0
-# For AI detection and paraphrasing
-# roberta-base-openai-detector and humarin/chatgpt_paraphraser_on_T5_base are both supported by transformers 
+gradio>=3.50.2
+transformers>=4.40.0
+sentence-transformers>=2.6.1
+torch>=2.0.0
+sentencepiece>=0.1.99
+scikit-learn>=1.0.2
+numpy>=1.21.0
+# For AI detection and paraphrasing
+# roberta-base-openai-detector and humarin/chatgpt_paraphraser_on_T5_base are both supported by transformers 
+# Using desklib/ai-text-detector-v1.01 for AI detection (DeBERTa-based, top RAID benchmark)
+# Using tuner007/pegasus_paraphrase for paraphrasing (robust, efficient, free)