Are the Gupta and Maurya dynasties the same?

No, the Gupta and Maurya dynasties are different from each other in terms of the era they ruled and the size of their respective empires. The Mauryan Empire existed in the B.C era while the Gupta Empire in the A.D era. The Mauryan Empire was bigger in size in comparison to its Gupta counterpart.

For further reading check the following articles:

• Gupta Empire
• Mauryan Empire