A former Anthropic researcher says open-weight models are already usable for abuse cases

BlancheMinerva · x · 2026-07-27

A quoted thread from a former Anthropic researcher argues that open-weight models are already capable enough for real-world abuse cases, including accessing medical records and hijacking bank accounts in pentesting contexts.

The post also claims GLM 5.1 is more capable than Opus 4.6 in many pentesting environments, yet attackers still prefer paid subscriptions such as Claude Code or Codex for hacking. The broader point is that dangerous capability exists, but the illicit ecosystem still leans heavily on convenient frontier subscriptions.

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