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Longterm Wiki has not been actively maintained since May 2026. Some data is still updated occasionally, but please don't rely on this site being current or accurate.
Longterm Wiki

Also known as: Astral Codex Ten Grants

Key People

3
OH
Infrastructure Advisor and AI Safety Evaluator
Recurring advisor across 2022 and 2025 rounds.
AC
Austin Chen
Manifund Administrator and Generalist Evaluator
Recurring administrator and evaluator across 2024-2025 rounds.
SA
Founder
2021 – present

Funding History

3
2025grantOct 2025
$1M
2025 round with planned $200K from Scott Alexander and expected $800K from other donors, for a total pool of about $1 million. 654 applications received, 42 funded.
astralcodexten.com
2024grantFeb 2024
$1.4M
Second cohort announced in early 2024. Scott directed a total of $1.35M to 33 projects through direct grants.
lesswrong.com
2021grantDec 2021
$1.5M
First cohort of ACX Grants announced in late 2021. Part of approximately $3 million total cost across both the 2021 and 2024 rounds combined.
astralcodexten.com

All Facts

General

Websitehttps://www.astralcodexten.com/p/acx-grants-results—view →

Funding Programs

3
NameProgramTypeDescriptionCurrencyStatusSourceNotesApplicationUrlDeadlineSource check
ACX Grants 2023grant-roundSecond round of ACX Grants, continuing to fund projects in rationality, EA, and scientific researchUSDawardedastralcodexten.com———Not checked
ACX Grants 2022grant-roundFirst round of ACX Grants from Astral Codex Ten blog, funding a variety of projects in rationality, EA, and scientific researchUSDawardedastralcodexten.com40+ grants from $1K-$100K+——Not checked
ACX Grants 2025grant-roundThird round of ACX Grants, funding projects in rationality, EA, and scientific researchUSDawardedastralcodexten.com—astralcodexten.com2025-03Not checked
▶Internal Metadata
ID: sid_LBr3ocKKyQ
Stable ID: sid_LBr3ocKKyQ
Wiki ID: E1057
Type: organization
YAML Source: packages/factbase/data/fb-entities/acx-grants.yaml
Facts: 1 structured (2 total)
Records: 9 in 3 collections