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Open-weight models now match frontier cyber performance from just four

Open-weight models now match frontier cyber performance from just four months ago at a fraction of the cost

The British AI Security Institute warns that open-weight models like GLM-5.2 and DeepSeek V4-Pro now trail closed frontier models in cyber capabilities by four to seven months. At the start of 2025, the gap was still six to ten months. It also found that safety measures on open…

Source: The Decoder · Opens in new tab