SuanNi

Jul 30, 2026 · Artificial Intelligence

3B Activation Parameters Enable State‑of‑the‑Art Agentic Coding: KAT‑Coder‑V2.5‑Dev Open‑Source Release

KAT‑Coder‑V2.5‑Dev, a 350 B‑parameter MOE model with 3 B activation parameters built on Qwen3.6‑35B‑A3B, achieves top agentic coding performance on PinchBench and near‑top on SWE‑Bench Pro, and the article details its environment construction, data scaling, RL design, and stability improvements.