  The Gemini Planet Imager (GPI), a coronagraphic adaptive optics instrument
designed for spectroscopy of extrasolar planets, had first light in 2013[13].
After five years, GPI has observed more than 500 stars, producing an extensive
library of science images and associated telemetry that can be analyzed to
determine performance predictors. We will present a summary of on-sky
performance and lessons learned. The two most significant factors determining
bright star contrast performance are atmospheric coherence time and the
presence of dome seeing. With a possible move to Gemini North, we are planning
potential upgrades including a pyramid-sensor based AO system with predictive
control; we will summarize upgrade options and the science they would enable.
