Update Readme.md

README.md

@@ -76,7 +76,7 @@ The websites used included:
 
 #### MCQ extraction and checking
 
-We uploaded the downloaded papers together with their answers to ChatGPT and extracted the MCQs using **four ChatGPT Plus accounts**, with **GPT-6.1-sol in medium reasoning mode**. We checked samples of the extracted MCQs to verify that the questions and answers were mapped correctly.
+We uploaded the downloaded papers, along with their answers, to ChatGPT using \*\*four ChatGPT Plus accounts\*\* with \*\*GPT-6.1-Sol in medium reasoning mode\*\*. We also used \*\*one Claude Sonnet 5.5 account\*\* and \*\*one Gemini 3.8 Flash account\*\*. We manually checked samples of the extracted MCQs to verify that the questions and answers were mapped correctly.
 
 #### Dataset filtering and expansion