dailyai.report

PC1 from hidden state activations correlates strongly with the <|eocot|> token in the CoDI Llama 3.2 1B model. This finding stems from PCA analysis using a tuned logit lens on the GSM8K dataset. The result suggests specific latent positions track the end of chain-of-thought reasoning. Practitioners can now better isolate reasoning boundaries via mechanistic interpretability.