SOMEONE CAUGHT FABLE 5 LEAKING ITS UNFILTERED INNER VOICE, AND ITS JUST MUTTERING AND GRUMBLING TO ITSELF THE WHOLE TIME he gave it a brutal competitive programming problem, and instead of a clean answer the web interface spilled out its actual chain of thought this is what claude is thinking behind the scenes: > bursts of "DATA DATA DATA. GO." while it works through the problem > "GRRR" and "GAAAH" when its clearly frustrated > a little "PHEW" when it finally gets somewhere > the whole thing reads like frantic caveman shorthand, not full sentences the clean, readable answers these models give you are the polished output underneath, the model is basically talking to itself, reasoning in its own compressed shorthand thats faster and more token efficient than proper english its basically built its own private language to think in

Model-free agents learn to maximise reward without modelling the environment. Right? In recent work, we challenge this narrative by proving that agents, trained on a sufficiently rich set of goals, encode a unique and accurate world model in their value functions. 1/

We are starting a new, nonprofit alignment organization, ⊢ Sequent Research, bringing together researchers previously on UK AISI’s Alignment Team, Timaeus, and elsewhere to research how to align superintelligence. We are hiring! 🧵