AI Explorer

Mar 21, 2026 · Industry Insights

How Composer 2’s Hidden Kimi K2.5 Model Fueled a 48‑Hour AI Licensing Showdown

Within 48 hours of Cursor’s Composer 2 launch, a developer uncovered the hidden Kimi K2.5 model ID, sparking a public dispute over Modified MIT license compliance that ended in a public reconciliation and raised broader questions about open‑source AI attribution.