Generally speaking, long-term CDs offer higher interest rates than short-term CDs. This is because banks reward you with a higher return for committing your money for a longer period of time.
The drawback is that while you may earn more interest with a long-term CD, your money will also be tied up for a longer period. If it turns out you need your money sooner and withdraw it before the CD matures, you'll have to pay an early withdrawal penalty, which eats into your earnings.
However, the current economic environment can also affect CD rates. In periods of rising interest rates, shorter-term CDs can become more attractive because you can reinvest the funds more frequently at higher rates. This is sometimes referred to as a "CD ladder" strategy, where you stagger the maturity dates of your CDs to balance the benefits of short-term and long-term CDs.
Overall, whether it's better to choose a short-term or long-term CD depends on your goals, as well as the current interest rate environment.