Not sure about better models, but DALL-E3 still seems to be having problems with hands:
https://www.reddit.com/r/dalle2/comments/1afhemf/is_it_possi...
https://www.reddit.com/r/dalle2/comments/1cdks71/a_hand_with...
https://www.reddit.com/r/dalle2/comments/1afhemf/is_it_possi...
https://www.reddit.com/r/dalle2/comments/1cdks71/a_hand_with...