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Nathan Lambert · Weekly · 10 issues since Sep 1 · latest Oct 28

The state of the art in open models, RLHF and post-training, from the Allen Institute's Nathan Lambert — the inside view on how frontier models are made. No ads.

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Oct 28, 2026 · 8 min read

A sort of review of the benchmarking industry and what's missing.

Oct 17, 2026 · 10 min read

US open weights are back!

Oct 6, 2026 · 8 min read

Open-weights, ideology, and acknowledging trade-offs.

Sep 21, 2026 · 13 min read

The expanded form of a testimony I prepared for Congress.

Sep 19, 2026 · 8 min read

An “AI moderate’s” view on recent events and the trajectory of frontier models.

Sep 11, 2026 · 8 min read

How to get up to speed on open models and their implications.

Sep 10, 2026 · 9 min read

Some quick notes on a truly weird week.

Sep 9, 2026 · 7 min read

We’re <5 years into a compounding revolution which could take a century, and how the AI industry should manage this.