Also known as: Astral Codex Ten Grants
Key People
3OH
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
Funding History
32025grantOct 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.com2024grantFeb 2024
$1.4M
Second cohort announced in early 2024. Scott directed a total of $1.35M to 33 projects through direct grants.
lesswrong.com2021grantDec 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.comFunding Programs
3| Name | ProgramType | Description | Currency | ApplicationUrl | Deadline | Status | Source | Notes | Source check |
|---|---|---|---|---|---|---|---|---|---|
| ACX Grants 2025 | grant-round | Third round of ACX Grants, funding projects in rationality, EA, and scientific research | USD | astralcodexten.com | 2025-03 | awarded | astralcodexten.com | — | Not checked |
| ACX Grants 2023 | grant-round | Second round of ACX Grants, continuing to fund projects in rationality, EA, and scientific research | USD | — | — | awarded | astralcodexten.com | — | Not checked |
| ACX Grants 2022 | grant-round | First round of ACX Grants from Astral Codex Ten blog, funding a variety of projects in rationality, EA, and scientific research | USD | — | — | awarded | astralcodexten.com | 40+ grants from $1K-$100K+ | Not 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 |