LeetCode offers both free and premium access options. While free users have access to a limited number of questions, premium users gain access to additional questions previously used in interviews at large tech companies.<ref name=nytimes2023/> The performance of users' solutions is evaluated based on responseexecution speed and solutionmemory efficiencyusage, and is ranked against other submissions in the LeetCode database.<ref name="xingBI">{{Cite web |last=Xing |first=Jessica |title=Here's what job seekers need to know about LeetCode, the coding-skills platform millions of developers use to ace the notoriously difficult technical interviews at firms such as Apple, Amazon, and Google |url=https://www.businessinsider.com/leetcode-coding-test-apple-amazon-google-technical-interview-prep-job-2021-11 |access-date=2023-06-21 |website=Business Insider |language=en-US}}</ref>
Additionally, LeetCode provides its users with mock interviews and online assessments. LeetCode hosts weekly and biweekly contests, each having 4 problems.<ref name="dummies" /><ref name="LeetCodeWebsite">{{Cite web |title=LeetCode - The World's Leading Online Programming Learning Platform |url=https://leetcode.com/ |access-date=2023-10-10 |website=leetcode.com}}</ref> After participating in a contest for the first time, one gets assigned a ranking, which can be found in their profile.<ref>{{Cite web |title=Contest |url=https://leetcode.com/contest/ |access-date=2023-10-10 |website=LeetCode |language=en}}</ref> LeetCode also provides its users with daily challenges, following UTC, with a lucky draw at the end of each month for those who stayed consistent for the month.<ref>{{Cite web |title=What is Daily LeetCoding Challenge?|url=https://leetcode.com/discuss/general-discussion/655704/ |access-date=2023-12-09 |website=leetcode.com}}</ref>
LeetCode supports multiplea wide range of programming languages, including [[Java (programming language)|Java]], [[Python (programming language)|Python]], [[JavaScript]], and [[C (programming language)|C]].<ref>{{Cite book |last=Nguyen |first=Nhan |title=Proceedings of the 19th International Conference on Mining Software Repositories |last2=Nadi |first2=Sarah |date=2022-10-17 |publisher=Association for Computing Machinery |isbn=978-1-4503-9303-4 |series=MSR '22 |___location=New York, NY, USA |pages=1–5 |chapter=An empirical evaluation of GitHub copilot's code suggestions |doi=10.1145/3524842.3528470 |quote=LeetCode questions come with test cases in various programming languages, ... (Python, Java, JavaScript, and C) |doi-access=free}}</ref> The platform features forums where users can engage in discussions related to problems, the interview process, and share their interview experiences.<ref name=dummies/>
