AI Engineer Programming

Apr 5, 2026 · Artificial Intelligence

How Kimi, Cursor, and Chroma Use Reinforcement Learning to Train Agent Models

The article analyzes three recent technical reports—Moonshot AI's Kimi K2.5, Cursor's Composer 2, and Chroma's Context‑1—detailing how each system trains agent models with reinforcement learning, parallel orchestration, self‑summarization, and self‑editing, and highlights shared methodological themes and performance gains.