Update README.md

README.md

@@ -44,5 +44,5 @@ This demo is from the project:
 
 
 ## Note
-For GPT-4 model, each inference costs about *$\\$$0.1*. For GPT-3.5 model, each inference costs about *$\\$$0.01*. You can select which LLM model you would like to use.
+For GPT-4 model, each inference costs about *$\\$$0.03*. For GPT-3.5 model, each inference costs about *$\\$$0.005*. You can select which LLM model you would like to use.