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[ARTICLE · art-165728] src=the-decoder.com ↗ pub= topic=ai-safety verified=true sentiment=↓ negative

The gap between open and closed AI models in cyber capabilities keeps shrinking

OpenAI's GPT-6 Sol Daybreak achieved 80.8 percent of attack objectives in simulated corporate networks on the Vals AI benchmark, while the open-weight DeepSeek V4.1 Flash reached 72.8 percent at a tenth of the cost, The Decoder reported. Analysts cited by The Decoder said the narrowing gap between closed and open models in cyber capabilities leaves defenders a shrinking window, since open models can no longer be restricted.

by read1 min views2 publishedNov 7, 2026

In the Vals AI benchmark, OpenAI's GPT-6 Sol Daybreak hits 80.8 percent of attack objectives in simulated corporate networks. Worse, the open-weight model DeepSeek V4.1 Flash reaches 72.8 percent at a tenth of the cost. Because open models can no longer be restricted, analysts say the window for defenders is shrinking fast.

The article The gap between open and closed AI models in cyber capabilities keeps shrinking appeared first on The Decoder.

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