How many concerti by Antonio Vivaldi survive?

Almost 500 concerti by Antonio Vivaldi survive today.1

These works encompass a variety of formats:
* Solo concerti: More than 300 are written for a solo instrument with string orchestra and continuo, including approximately 230 for violin, 40 for bassoon, 25 for cello, 15 for oboe, and 10 for flute.1
* Other formats: The remaining works include double concerti, concerti grossi featuring three or more soloists, concerti ripieni (string concerti without a soloist), and chamber concerti for small groups of instruments without orchestra.1

Vivaldi’s prolific output was driven by his roles as a performer and as a teacher at the Ospedale della Pietà in Venice, where he provided music for his students.12