Zhipu says new coding AI developed advanced cyber skills faster than expected

Chinese AI developer Zhipu has launched GLM-5.3, a new coding-focused AI model that the company says has developed unexpectedly strong cybersecurity capabilities, putting it close to global leading models in vulnerability discovery while remaining behind them on deeper exploitation tasks. Zhipu’s own testing places GLM-5.3 slightly ahead of Anthropic’s Mythos 5 and OpenAI’s GPT-5.6 Sol on…