KAT-Coder-Pro V2
Kuaishou · 2026-03-25
KAT-Coder-Pro V2 is Kuaishou's proprietary API deployment of the KwaiKAT team's KAT-Coder-V2 agentic coding model, exposed by StreamLake under the model ID kat-coder-pro-v2. Its Specialize-then-Unify post-training paradigm independently develops SWE, WebCoding, Terminal, WebSearch, and General experts with supervised fine-tuning and reinforcement learning before consolidating them into one model through on-policy distillation.