Yann LeCun tells Newsweek LLMs will be largely obsolete within 5 years
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Argued in a Newsweek interview that LLMs will be largely obsolete within 5 years, and said a better paradigm capable of reasoning and planning could be built within 3–5 years
Why it matters
A rejection of his own company's flagship technology route, coming from Meta's chief scientist
Source — Primary sources first; secondary reports are labelled “Press”
Pressnewsweek.comhttps://www.newsweek.com/nw-ai/ai-impact-interview-yann-lecun-artificial-intelligence-2054237Added in Week 35, 2026 · See that week
On the map — ⑳ People & Discourse line
- Previous stop‘Vibe coding’
- This recordYann LeCun tells Newsweek LLMs will be largely obsolete within 5 years
- Next stopIn the same interview, Karpathy says nanochat was not built by vibe coding