How did Catullus and Horace contribute to Latin lyric poetry?

Catullus and Horace were pivotal in establishing Latin lyric poetry during the 1st century BCE, though they approached the genre with distinct intentions and styles.1

Catullus

Catullus is celebrated for his metrical virtuosity and his ability to transform traditional verse forms—such as the hendecasyllable and iambic metre—into vehicles for intense personal expression. While these metres were traditionally used for light occasional verse, satire, or lampoons, Catullus uniquely adapted them to convey profound emotion, wit, and beauty. His work achieved a conversational immediacy and emotional complexity that established him as a master of the European lyric, rivaling the intimacy of earlier Greek poets.23

Horace

Horace acted as a pioneer who introduced early Greek lyric to the Latin tradition by adapting and regularizing Greek metres. In his Odes, he prioritized elegance, dignity, and studied perfectionism over the raw passion often associated with lyric poetry. Unlike his predecessors, who often vented personal feelings, Horace aimed to create formal literature. His work is characterized by a detached, serene tone, often incorporating irony and gentle humor, which solidified his reputation as a leading Roman poet.24