alt Hacker News>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.
>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.
No, 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/