Forethought’s @TomDavidsonX explains how Anthropic could test whether a software-only singularity is coming by seeing how fast each new Claude can recreate its last year of AI progress: "The first scary indicator is we're beginning to see an acceleration in internal algorithmic progress. That doesn't by itself tell you, is it gonna fully explode, or is it gonna be a brief acceleration." "Literally going from Claude 5 to Claude 5.5 is something like a 2X in how efficient these experiments are…