Moonshot curbs hacking ability in Kimi K3.1 Pro open-weight model

Moonshot AI released Kimi K3.1 Pro, a 3-trillion-parameter-class open-weight model trained without cyber-related data, with weights due by November 4. It scored 81.0% on the company's internal cyber benchmark versus 90.5% for a version without the restrictions.

• Kimi K3.1 Pro is an open-weight 3-trillion-parameter-class model with a 1M-token context window
• Scored 81.0% on internal cyber benchmark vs 90.5% without data filtering
• Weights are planned for release by November 4
• A faster K3.1 Pro Highspeed runs 2–3x faster than the standard model