AI researcher Andrew Tulloch is leaving Meta
He could not immediately be reached for comment.ADKnow MoreTulloch was reportedly recruited personally by Mark Zuckberg, who offered him a $1.5 billion pay package over six years. That number has been disputed, but even if it was close, it would have made Tulloch the highest paid employee in the history of the tech industry.With the AI race in full gear, the rarefied skills possessed by the top thinkers in the field are in extremely high demand.
- ▪He could not immediately be reached for comment.ADKnow MoreTulloch was reportedly recruited personally by Mark Zuckberg, who offered him a $1.5 billion pay package over six years.
- ▪That number has been disputed, but even if it was close, it would have made Tulloch the highest paid employee in the history of the tech industry.With the AI race in full gear, the rarefied skills possessed by the top thinkers in the field
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Record
| Original publisher | Semafor |
| Canonical URL | https://www.semafor.com/article/09/09/2026/ai-researcher-andrew-tulloch-is-leaving-meta |
| Publication time | Fri, 11 Sep 2026 17:57:57 +0000 |
| Retrieval time | 2026-09-11T18:53:48.321Z |
| Last seen | 2026-09-11T18:54:06.489Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | Us5eJ1yA5gG4 · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Exclusive / AI researcher Andrew Tulloch is leaving MetaReed AlbergottiTech Editor, SemaforSep 9, 2026, 5:29pm EDTSep 9, 2026, 5:29pm EDTTechnology.css-1wfw2s5{text-transform:uppercase;font-weight:bold;-webkit-text-decoration:underline;text-decoration:underline;background:none;border:none;color:#243bb5;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-align-items:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:4px;padding:10px;-webkit-box-flex-wrap:nowrap;-webkit-flex-wrap:nowrap;-ms-flex-wrap:nowrap;flex-wrap:nowrap;font-family:Helvetica;font-size:0.8125rem;line-height:120%;}.css-1wfw2s5:hover{cursor:pointer;}ShareDado…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Semafor.
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