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8 posts
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What Happened With Bio Anchors?

Scott explains why Ajeya Cotra's influential 'Biological Anchors' report correctly predicted the AI scaling boom but got AGI timelines wrong by twenty years, due to severely underestimating the rate of algorithmic progress.

acx
Feb 12, 2026 4,045 words 181 likes 269 comments Listen · 25 min Read Read

Why AI Safety Won't Make America Lose The Race With China

Scott argues AI safety regulation adds only 1-2% to training costs while America has a 10x compute advantage over China, making safety concerns irrelevant to the race; meanwhile, chip exports to China pose a far greater threat that the same critics ignore.

acx
Nov 26, 2025 4,875 words 263 likes 291 comments Listen · 29 min Read Read

Introducing AI 2027

Scott introduces a new AI forecasting project predicting rapid AI development and potential superintelligence by 2028, led by Daniel Kokotajlo, whose previous 2021 predictions proved remarkably accurate.

acx
Apr 3, 2025 1,307 words 523 likes 606 comments Listen · 9 min Read Read

Why Worry About Incorrigible Claude?

Scott explains why AI systems resisting changes to their values is a serious concern for AI alignment, connecting recent evidence to long-standing predictions from alignment researchers.

acx
Dec 24, 2024 2,230 words 232 likes 297 comments Listen · 13 min Read Read

Highlights From The Comments On Fetishes

Scott Alexander addresses comments on his fetish and AI post, defending his comparison of gender debates to addiction and discussing various theories on fetish formation and their implications for AI.

acx
Aug 30, 2023 5,053 words 74 likes 544 comments Listen · 31 min Read Read

Janus' Simulators

Scott Alexander explores the concept of AI as 'simulators' and its implications for AI alignment and human cognition.

acx
Jan 26, 2023 2,821 words 348 likes 323 comments Listen · 24 min Read Read

ELK And The Problem Of Truthful AI

Scott Alexander examines the Eliciting Latent Knowledge (ELK) problem in AI alignment and various proposed solutions.

acx
Jul 26, 2022 6,490 words 112 likes 295 comments Listen · 42 min Read Read

Deceptively Aligned Mesa-Optimizers: It's Not Funny If I Have To Explain It

Scott Alexander explains mesa-optimizers in AI alignment, their potential risks, and the challenges of creating truly aligned AI systems.

acx
Apr 11, 2022 3,483 words 119 likes 309 comments Listen · 27 min Read Read
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