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Manifund is a $2M+ annual charitable regranting platform (founded 2022) that provides fast grants (<1 week) to AI safety projects through expert regrantors ($50K-400K budgets), fiscal sponsorship, and experimental impact certificates. The platform distributed $2.06M in 2023 (~40% to AI safety research), with a growing focus on AI safety evaluations and field-building.

Total Funding Raised
$2.3M
as of 2025
Grants Made
$11M
354 grants

Facts

2
Financial
Total Funding Raised$2.3M
General
Websitehttps://manifund.org/

Other Data

Entity Assessments
8 entries
DimensionRatingEvidenceAssessor
fiscal-sponsorshipYes501(c)(3) status; 5% fee for large donorseditorial
focus-areasAI Safety Primary~80% of grants to x-risk/AI safetyeditorial
mechanism-innovationHighPioneered impact certificates, regranting at scaleeditorial
related-platformManifold MarketsShared founders, infrastructure, communityeditorial
scaleGrowing$2M+ in 2023; $2.25M raised for 2025 regrantseditorial
speedVery FastGrant recommendation to disbursement in under 1 weekeditorial
team-sizeSmall~3 core staff (Austin Chen, Rachel Weinberg, Saul Munn)editorial
transparencyVery HighAll grants public with explanationseditorial
Entity Events
14 entries
TitleDateEventTypeSignificanceDescription
ACX Grants 2025 funds 42 of 654 applications2025-01milestonemoderate
$2.25M raised for 10 regrantors2025fundingmoderate
Manifest 2024 (600 attendees)2024-06milestonemoderate
Impact certificate experiments conclude with mixed results2024-01milestonemoderate
ACX Grants 2024 includes impact market for 50+ proposals2024milestonemoderate
First Manifest conference (250 attendees, Berkeley)2023-09milestonemoderate
Anonymous donor "D" provides $1.5M for regranting program2023-05fundingmajor
$2.06M distributed ($2.012M grants + $45K impact certificates)2023milestonemoderate
Manifund launches with ~12 regrantors ($50K-400K budgets each)2023launchmajor
Receives $500K from FTX Future Fund for charity prediction markets2022fundingmoderate
Scott Alexander approaches team about ACX Grants via impact certificates2022milestonemoderate
Manifund incorporated as separate 501(c)(3)2022milestonemajor
Rachel Weinberg joins; builds manifund.org in two weeks2022milestonemoderate
Manifold Markets founded2021-12foundingmajorFounded by Austin Chen, Stephen Grugett, and James Grugett.

Divisions

2
Program

Experimental impact certificate marketplace where project creators sell shares of their impact to retroactive funders.

Program

Platform enabling individuals to receive tax-deductible donations for regranting. Provides fiscal sponsorship for individual regranters.

Related Wiki Pages

Top Related Pages

Approaches

Prediction Markets (AI Forecasting)

Analysis

Stampy / AISafety.info

Other

David DalrympleLeopold AschenbrennerNuño SempereRobin HansonEvan HubingerEliezer Yudkowsky

Organizations

MATS ML Alignment Theory Scholars programSeldon LabLighthaven (Event Venue)Sentinel (Catastrophic Risk Foresight)PolymarketGratified

Concepts

Funders Overview