www.kimi.ai Kimi K3.1 Pro Launches with Enhanced Capabilities
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- •Kimi K3.1 Pro features a 1-million-token context window.
- •The model shows significant performance improvements in various domains.
- •K3.1 Pro scored 65.7% on Terminal-Bench 4.0, competing closely with top models.
Kimi has launched the K3.1 Pro, a 3T-class open-weight model featuring a 1-million-token context window. The model is designed for improved performance in coding, 3D creation, and financial research. Alongside, the K3.1 Pro Highspeed variant promises 2-3 times the speed of the standard model. Both versions are available on Kimi's platforms, with full model weights expected by November 4. The K3.1 Pro is a post-trained version of Kimi K3, optimized for large-scale reinforcement learning across various domains. In benchmark tests, it scored 65.7% on Terminal-Bench 4.0, outperforming GPT-6 Astra but slightly trailing behind Claude Opus 5.5. The improvements are attributed to optimizations in the RL framework and training efficiency.
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