Yes, AED 5000 is quite enough for a UAE visa from Thailand. You may refer to the cost of various UAE visa below:
$125 USD for 14 days with single entry
$135 USD for 30 days with single entryu
$335 USD for 30 days with multiple entry
$400 USD for 90 days with single entry
$800 USD for 90 days with multiple entry
A processing fee of $26 USD is applicable. You may easily pay your UAE Visa fees via PayPal, Credit card, Debit card or Cryptocurrency.