3 ms·
>This initiative probably could have started a few months sooner with Opus and similar models, though. Evidently they tried and even the most recent Opus 4.6 m
by vonneumannstan 6mo ago
>This initiative probably could have started a few months sooner with Opus and similar models, though.
Evidently they tried and even the most recent Opus 4.6 models couldn't find much. Theres been a step change in capabilities here.
- causal 6mo agoNo, Opus has found a lot and 112 vulnerabilities were reported to Firefox alone by Opus [0]. But Mythos is uniquely capable of exploiting vulnerabilities, not just finding them. [0] https://red.anthropic.com/2026/mythos-preview/ https://red.anthropic.com/2026/mythos-preview/
- vonneumannstan 6mo agoDoesn't even seem to be in the same ballpark of capability. https://red.anthropic.com/2026/mythos-preview/FRT-Blog-Chart-CMP-Firefox-exploit@2x.png https://red.anthropic.com/2026/mythos-preview/FRT-Blog-Chart...