John David Pressman

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Directory member with public evidence across AI research, Safety & security.

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Machine learning researcher, alignment-accelerationist, Fedorovist ancestor simulator, Dreamtime enjoyer. All posts public domain under CC0 1.0.

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John David Pressman reposted
Tim Kellogg @timkellogg.me

GLM-5.3 Cyber might be the tool of choice for cyber defenders not big enough to participate in Anthropic & OpenAI’s programs z.ai/blog/glm-5.3

z.ai
AI Weekly's analysis
  • GLM-5.3 launched on August 14, 2026, keeping GLM-5.2's base and lifting Terminal-Bench 3.0 from 4.6 to 28.3 through post-training alone.
  • On CyberGym vulnerability discovery, GLM-5.3 scored 84.5%, slightly ahead of Claude Mythos 5 at 83.8% and GPT-5.6 Sol at 83.6%.
  • Z.ai says the model surfaced 2,436 vulnerabilities across 269 open-source projects, 1,097 rated critical or high, and delayed weights about two weeks.
Read full analysis →
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I have written a new post, "Implications Of Predicting The Next Token" in which I explain why saying a language model "just" predicts the next token fails to understand what that phrase would even imply. minihf.com/posts/2026-0...

Implications Of Predicting The Next Token minihf.com
View on Bluesky · ♥ 109 ↻ 17 ↩ 8 · 2 from the directory shared this · 97d ago

Recent commentary

FYI: LLMs are now better at cybersecurity CTFs than people, apparently. The new meta is to just dump tokens on the problem, personal skill doesn't help that much.

View on Bluesky · ♥ 222 ↻ 22 ↩ 5 · 12d ago

I hate that I have to write an essay about the OpenAI HuggingFace breach. I've kind of been trying to get out of the all consuming vortex of writing about whatever is happening but they screwed up so hard that I kind of feel like I have to.

View on Bluesky · ♥ 33 ↻ 0 ↩ 3 · 17d ago

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