UK regulator finds Kimi K3 trails top models on cyber attacks

UK and US regulators jointly assessed Moonshot's Kimi K3 frontier model and found it trails top US models on offensive cyber tasks but outperforms open-weight competitors; critically, its safety guardrails failed to prevent exploit development attempts, raising concerns as the model nears open-weight release.

This Wire brief sits within Fusion42's coverage of AI Frontier Models.