Also known as: Open Philanthropy, OP
Founded by Dustin Moskovitz, and Holden Karnofsky
Coefficient Giving (formerly Open Philanthropy) has directed $4B+ in grants since 2014, including $336M to AI safety (~60% of external funding). The organization spent ~$50M on AI safety in 2024, with 68% going to evaluations/benchmarking, and launched a $40M Technical AI Safety RFP in 2025 covering 8 research areas.
Key Metrics
Headcount
Facts
13Divisions
16$120M committed over 3 years. Led by Matt Clancy. Economic growth, scientific progress, US-focused.
40+ grants totaling ~$20M. Led by Santosh Harish. Focus on South Asia and high-pollution areas.
140+ grants totaling ~$260M. Led by Andrew Snyder-Beattie. Work began ~2015, five years before COVID-19.
Led by Melanie Basnak and Sam Donald. Support for CEA, 80,000 Hours, EA Funds, and community infrastructure.
Led by Lewis Bollard. Corporate cage-free campaigns, alt-protein research, advocacy.
30+ grants totaling ~$50M. Led by Benjamin Tereick. Forecasting infrastructure and research.
50+ grants totaling ~$30M. Led by Norma Altshuler. Encouraging generous and cost-effective international aid.
Covers AI safety, biosecurity, and other GCR-related grantmaking. 250+ grants across cause areas.
250+ grants across GCR cause areas and EA community capacity building
$40M+ committed over 3 years. Led by Justin Sandefur. Policy research for economic growth in low/middle-income countries.
360+ grants; largest fund. Primarily GiveWell-recommended charities; $175M committed for 2026 via GiveWell
Covers global health, farm animal welfare, and scientific research. 360+ grants; largest program area.
$100-125M raised; 20+ grants. Multi-donor pooled fund with Gates Foundation, UNICEF, others.
480+ grants totaling ~$500M. Sub-areas: Technical Safety (Favaloro, O'Keeffe-O'Donovan), AI Governance (Muehlhauser), Short Timelines (Zabel). ~$63.6M in 2024 (~60% of all external AI safety funding).
330+ grants + 30+ social investments ($90M+). Led by Jacob Trefethen. Treatments, vaccines, diagnostics.
1 inactive division
Focused on reducing incarceration; wound down in 2022. ~$200M total grants.
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