The story of A Beautiful Mind is based on real events and people, but it's not a completely accurate portrayal. Some parts might be dramatized for cinematic effect.
Well, it's inspired by true events and real individuals. However, like many movies based on real life, it takes some artistic liberties and combines elements for a more engaging narrative.
The story has elements of truth, but it's not a 100% factual account. To make it more compelling for the audience, certain aspects might have been embellished or changed slightly.