Simplex
www.simplexaisafety.com · organization
AI safety research organization working on mechanistic interpretability and a science of intelligence.
Technical AI safety researchOther
- Received
- $3,384,700
- from 4 funders
- Grants
- 6
- Funders
- 4
- Years active
- 2024–26
Grants over time
Coefficient GivingUK AI Security InstituteDustin MoskovitzJaan Tallinn
Biggest funders
| Coefficient Giving | $2,045,200 | 60% | 1 |
| UK AI Security Institute | $589,500 | 17% | 1 |
| Dustin Moskovitz | $397,000 | 12% | 1 |
| Jaan Tallinn | $353,000 | 10% | 3 |
Reviews
Zvi Mowshowitz · nonprofits.zone · full post · Nov 26, 2025
Confidence: High, Funding needs: Medium
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Grants received
| Date ↓ | Funder | Via | Amount | Cause | Source | Purpose |
|---|---|---|---|---|---|---|
| Sep 2026 | Dustin Moskovitz | Survival and Flourishing Fund | $397,000 | Interpretability | sff | General support of Simplex |
| Sep 2026 | Jaan Tallinn | Survival and Flourishing Fund | $250,000 | Interpretability | sff | General support of Simplex |
| Feb 19, 2026 | UK AI Security Institute | ~$589,500* | Interpretability | uk_aisi | Simplex: A Principled Science of Interpretability — led by Adam Shai. — Alignment Project | |
| Oct 2025 | Coefficient Giving | $2,045,200 | Interpretability | coefficient_giving | General Support | |
| Jan 2, 2025 | Jaan Tallinn | Founders Pledge | $29,000 | Other | jaan_online | General support |
| Oct 30, 2024 | Jaan Tallinn | Survival and Flourishing Fund | $74,000 | Other | sff | General support of Simplex |
* UK AISI reported a total of 27m GBP over 60 projects, so estimating each of them at the average grant size.