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

> Open-weight models now match frontier cyber performance from just four months ago at a fraction of the cost Key Points - An analysis by the British AI Security Institute (AISI) finds that open AI models now trail closed…

- **Source:** [The-decoder](https://the-decoder.com/open-weight-models-now-match-frontier-cyber-performance-from-just-four-months-ago-at-a-fraction-of-the-cost/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a5b6f5200d16e0307a6580a)
- **Published:** 2026-07-18
- **Category:** AI & Bots
- **Tags:** #ai
- **Canonical:** http://localhost:4321/a/6a5b6f5200d16e0307a6580a

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_GearOpen's distilled summary. The full original article is published at The-decoder (source link above); GearOpen does not republish the source's full text._