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Nathan Lambert

Co-founder and executive director, Trillium Labs; author of Interconnects · as of 2026-10-04 · source

@natolambert · Website · Substack

Led post-training (OLMo, Tulu) at Ai2 and writes the Interconnects newsletter on open models; left Ai2 in June 2026 to co-found Trillium Labs.

Role changes

News mentioning Nathan Lambert (2)

  1. Anthropic Frontier Red Team: open-weights GLM-5.3 nearly matches Claude Mythos Preview at exploit development, with weak safeguards ★★★★

    On Sept 29, 2026 Anthropic's Frontier Red Team published an evaluation of Zhipu's open-weights GLM-5.3 and found exploit-development skills close to Claude Mythos Preview (ExploitBench V8 12% vs 14%; binary exploitation 4% vs 6%, all other tested models 0%). Its safeguards were bypassed 64–100% of…

  2. Meta FAIR and collaborators propose 'Context Language Models' that edit their own context as a file ★★

    On Sept 29, 2026 a paper titled "Context Language Models" (arXiv 2609.37725, code at facebookresearch/context-language-models) proposed language models that manage their own context natively. The model treats its context as a file and can rewrite it freely, so the agent harness no longer decides…

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Videos (1)

Mentions are matched automatically by name, so a few may be about a namesake. Last checked 2026-10-04. All people · corrections: contact@postcutoff.com