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Position: Stop Making Unscientific AGI Performance Claims

ICML 2024 · Large language models › AI and society · approach: Critiques of LLM claims and judging · 1 citations (OpenAlex)

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Position paper arguing AGI performance claims based on latent-space patterns are unscientific, illustrated with linear probes on random projections, PCA of yield curves, and FOMC-RoBERTa probes tested on made-up sentences.

Problem

Finding meaningful, externally correlated patterns in model latent spaces is being cited as evidence of AGI or 'understanding', and academic and commercial incentives plus human anthropomorphism encourage such over-interpretation.

Approach

Shows that simple models (random projections, PCA, autoencoders, and a fine-tuned RoBERTa) also yield latent representations predictive of external variables, and that a probe on FOMC-RoBERTa responds to nonsense bird-related sentences, so latent-pattern findings alone should not count as evidence of AGI; proposes a 'parrot test' with null and alternative hypotheses and calls for stronger hypothes

Key results

Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add observed yield curve level and spread to lagged growthGDP growth regression · GDP GrowthBIC: -860.391 -> -857.429Hurt
Add Embedding 6 to lagged growthGDP growth regression · GDP GrowthBIC: -860.391 -> -864.499Helped
Use linear-probe predictions instead of the autoregressive baselineFOMC-RoBERTa linear probes · CPI, PPI, and Treasury yieldsaverage performance measuresNo clear effect
Apply the final-layer inflation probe to bird-related sentencesFOMC-RoBERTa linear probe · Inflation indicators and Treasury yieldspredicted value relative to random-noise predictionsMixed

Surprising findings

Limitations

Experimental setup

Datasets: world_place.csv (Li et al. world models) US Treasury par yield curve rates Trillion Dollar Words (FOMC communications) FRED real GDP (GDPC1) CPI and PPI indicators

Metrics: RMSE correlation mean directional accuracy MSE BIC

Baselines: autoregressive models (BIC-selected lag)

Builds on: Li et al. world models linear probing FOMC-RoBERTa Trillion Dollar Words

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