GiveWell conducts research to find outstanding giving opportunities. It publishes the full details of its analysis to help donors decide where to give.
GiveWell considers a wide range of charitable programs and compares their costs and benefits to determine which provide the most impact for their cost. It publishes a list of "top charities" annually, including in-depth analysis of these charities' impact, strengths and weaknesses. GiveWell also publishes overviews of existing research on major causes, interventions and other issues relevant to impactful giving.
(Last updated February 2013)