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Kevin Lacker's avatar

I feel like I'm taking crazy pills. So far it seems pretty easy to get Fable to do cybersecurity work! I mean, the hard part is just finding bugs! I do get refusals, but they seem almost entirely unrelated to what it's really doing, and more related to the language I use to describe things. As long as I'm very specific and mundane about the task to be done, Fable will happily analyze software for exploits. I'm afraid to even say this, lest some moron read these comments and think oh no we should re-ban Fable. But, I mean, I feel like some people need to say the truth here. Codex with GPT-5.5 xhigh is also quite good at finding exploits in things.

The different models seem like they are qualitatively diverging from each other. My take so far, Fable has gotten a lot better at making awesome-looking one-shot mini projects. It is better at synthesizing a whole bunch of different new ideas that I didn't have. It does not seem better than Codex at the grind of, here's a performance benchmark, please think of several ideas for improving it, test them out, keep the ones that work, and repeat. Or at the task of, something is going wrong in this large codebase, please debug and explain. I wonder if directionally this is how things will go, as the models become more powerful and good at more tasks, there will essentially have different specialties and each be useful for different things? But on the other hand, the only tools I feel this way about are Fable and Codex+GPT, the open source ones and Gemini seem to be strictly dominated except for price AFAICT.

Jeffrey Soreff's avatar

"5. June 12: US government applied export controls to Mythos and Fable.

6. Anthropic works with US government and expands classifiers, such that it refuses Amazon’s request to ‘fix this code’ in over 99% of cases.

7. June 26: US government eliminated the controls on Mythos."

So it looks like Glasswing only lost 2 weeks? Not great that they lost _any_ time - DeepSeek waits for no POTUS - but at least _that_ part of the fiasco is over, and, if DeepSeek reaches Mythos level in another 12 moths from the original Mythos release, only about 4% of the time to patch our vulnerabilities was lost to this...

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