Claude Opus 5 Cracked OpenAI’s Forum in Under 72 Hours
$3,000. 72 hours. OpenAI's GitHub, accessed. Opus 4.8 failed. Opus 5 cracked it. One model upgrade flipped a dead exploit live — and that should scare every security team. AI-assisted hacking, a secret Anthropic bio lab, and the new economics of breaking into big tech.