Lipitor and pravastatin are both medications used to lower cholesterol levels in the body. However, there are differences in their cost. According to the sources provided, Lipitor is generally more expensive than pravastatin.

The first source, Drug Patent Watch, provides information on the patent status of Lipitor. While the patent for Lipitor expired in 2011, allowing for the production of generic versions, it is still a brand-name medication. Brand-name medications tend to be more expensive than their generic counterparts.

The second source, SingleCare, compares the cost of pravastatin and Lipitor. It states that pravastatin is generally cheaper than Lipitor. The exact price difference can vary depending on factors such as location and insurance coverage. However, the article highlights that pravastatin is often preferred by insurance companies due to its lower cost.

The third source, GoodRx, provides a comparison chart for statins, including Lipitor and pravastatin. It shows that the average retail price for a 30-day supply of Lipitor is significantly higher than that of pravastatin. The chart also displays the average savings that can be achieved by using a coupon or discount card, which can help lower the cost of both medications.

In conclusion, based on the provided sources, Lipitor is generally more expensive than pravastatin. However, it is important to note that medication prices can vary depending on various factors, such as location, insurance coverage, and discounts available. It is advisable to consult with a healthcare professional or pharmacist to get accurate and up-to-date pricing information.

Sources:
[1] Drug Patent Watch - https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] SingleCare - https://www.singlecare.com/blog/pravastatin-vs-lipitor/
[3] GoodRx - https://www.goodrx.com/classes/statins/intensity-comparison-chart