OpenAI says its new model GPT-2 is too dangerous to release (2019)

https://slate.com/technology/2019/02/openai-gpt2-text-generating-algorithm-ai-dangerous.html

When Is Technology Too Dangerous to Release to the Public?

If recent history is any indication, trying to suppress or control the proliferation of A.I. tools may be a losing battle.

Slate
The current "too dangerous" hype today is Anthropic's Mythos. They say it is so mighty that they will wall it off and only grant access to approved corporations.
Ah yes, corporations, famously the right hands to wield mighty weapons.