Skip to Content
Coefficient Giving

We’re a philanthropic funder
that partners with leading donors
to multiply their impact.

Coefficient has directed over $4 billion in grants since 2014. Our mission is to help others as much as we can with the resources available to us.

 

About Us

Open Philanthropy is now Coefficient Giving. Read more.

Our Funds

Strategic Cause Selection

We believe the most important decision a philanthropist makes is choosing which causes to support. We conduct in-depth research to identify the areas where our funding can help others the most.

How we select causes

 

 

Research & News

  • Open Philanthropy Is Now Coefficient Giving

    Our new name marks our next chapter as we double down on our longstanding goal of helping more funders increase their impact. We believe philanthropy can be a far more vital force for progress than it is today.

  • The Story Behind Our New Name

    A coefficient multiplies the value of whatever it’s paired with, just as we aim to amplify impact through our research, grantmaking, and partnerships. We knew that any name would take some getting used to, but this one captured something essential about our work.

  • AI Safety and Security Need More Funders

    Many experts predict that leading AI systems will become smarter-than-human in the next decade, but efforts to mitigate the risks remain profoundly underfunded.

Featured Grants

  • Science and Global Health R&D

    Using AI to create more effective vaccines

    Professors David Baker and Neil King use advanced protein modeling software and nanoparticle technology to develop better vaccines. Their approach has already led to an approved COVID-19 vaccine and more effective flu vaccine that has completed Phase I trials. David Baker won the Nobel Prize in Chemistry in 2024.

    Read more

  • Abundance & Growth

    Making social science more robust and reliable

    The Institute for Replication addresses a core problem in social science by replicating highly cited studies to check whether the results hold up. This helps ensure that research influencing public policy is reliable, and gives scientists stronger incentives to avoid manipulative practices and produce robust findings.

    Read more

  • Science and Global Health R&D

    Expanding access to clean water through a low-cost device

    The TuriTap is an automatic water-chlorination device that operates without electricity. It helps communities without reliable water treatment infrastructure access clean water, which could reduce the spread of infectious disease. The device has been installed in health care facilities across Kenya.

    Read more

  • Farm Animal Welfare

    Freeing hundreds of millions of chickens from cages

    The Open Wing Alliance (OWA), a coalition of advocacy groups, has persuaded more than 3,000 food companies worldwide to shift to using cage-free eggs, through a mix of negotiation and public campaigns. Thanks to OWA and other advocates, over 250 million hens have been spared from confinement.

    Read more