DeepSeek v4.1 Flash excels at hacking

DeepSeek V4.1 Flash achieved code execution on all 11 vulnerable targets while 4 fixed targets remained secure; accepted runs cost $4.65 (complete cost $5.14). The benchmark used 2,349 Bash commands, ~2h38m active model time, 268.3M input tokens (266.2M cached) and ~2M output tokens; audit found six planned exploits and five unexpected routes.

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