Jack Clark
Only Opus 5 and Fable 5 were able to beat any tasks in Tier 7 of DiG-bench
Opus 5 and Fable 5 with Claude Code are the best overall models on DiG-bench
AI systems cannot yet solve the hardest long-horizon programming tasks
With low trust between AI firms, every equilibrium races to ruin with probability one; avoiding catastrophe requires high trust between firms
The demarcation for the beginning of the 'true foothills' of the singularity lies on June 30th 2026, the day arXiv went from red to black