What is John Keats particularly famous for in his literary contributions?

John Keats is particularly renowned for his six odes, which exemplify the height of Romantic poetry and showcase his mastery of language and form. These odes, including famous works like "Ode to a Nightingale" and "Ode on a Grecian Urn," reflect deep emotional experiences and philosophical ideas, often exploring themes of beauty, nature, art, and mortality. Keats's odes are celebrated for their intricate imagery, lyrical quality, and emotional depth, marking a significant contribution to English literature and solidifying his status as a key figure in the Romantic movement. This focus on lyrical poetry and the exploration of profound themes distinguishes his work from short stories, epics, and novels, which he is not primarily known for.