Moonshot AI released the massive 2.8T-parameter Kimi K3.1 Pro weights on Huggingface.
This is a dev post classified by AGK Intelligence as Open source & devtools business (a launch), kept by the Dev Radar because it carries real work, not commentary.
Moonshot AI released the massive 2.8T-parameter Kimi K3.1 Pro weights on Huggingface. On Terminal-Bench, its head-to-head with Claude 5.5 > Trained with 4-bit weights, it also ships at that precision, avoiding the 5.6TB a 16-bit copy would need. > Moonshot traced steadily rising exploit skill to cyber content buried in its general mid-training corpus and RL environments, and removed both before opening the weights. > In Moonshot’s own tests the model scores 65.7% on Terminal-Bench 4.0, near Claude Opus 5.5’s 66.4%, but without tools reaches only 39.4% on HLE-Diamond, against GPT-6 Astra’s
Posted by Rohan Paul (160.8k followers) 2 h ago · 5 likes · 1.5k views · view the original post on X. Kept by the Dev Radar as Open source & devtools business. Tools mentioned: kimi-k3.1-pro.
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