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Irregular

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Risk EvaluationTechnical report

Published by Irregular

2026-09-22

QuestionHow well does Opus 5.5 complete multi-stage scenarios under capability elicitation?

Source summaryThe article reports 67.6% average solve rate for Opus 5.5, 61.7% for Mythos 5.1 and 53.0% for Opus 5.

NUWA research note · independent review pending

Published by Irregular

2026-09-16

QuestionCan ordinary application repair cause an agent to modify the model powering both the application and future agents?

Source summaryModel updates can improve held-out task performance while changing unrelated learned behavior.

NUWA research note · independent review pending

Risk EvaluationTechnical report

Published by Irregular

2026-09-03

QuestionWhere does GPT-6 Astra improve over GPT-5.6 Sol on realistic security work?

Source summaryFrontierCyber solved counts increased from 34/226 to 86/226.

NUWA research note · independent review pending · Contains: question / method / findings / interpretation / limits

Published by Irregular

2026-09-03

QuestionHow can a multi-step cyber scenario’s distinct capability demands be characterized without collapsing their meaning?

Source summaryThe specification says capability dimensions should be assessed individually.

NUWA research note · independent review pending