When you want to say that two things or people are equal in terms of quality, value or performance, you can use the phrase "are on par with". However, there are several other synonyms that you can use to express the same meaning, such as "are equal to", "are level with", "are comparable to", "rank with", "measure up to", "match", "keep pace with" and "align with". Each of these phrases conveys the idea of similarity or equivalence between two or more entities or concepts in various contexts. So, next time you want to avoid repetition in your writing or speech, try using some of these synonyms for the phrase "are on par with".