Cursor's Composer 2 was secretly built on a Chinese AI model — and it exposes a deeper problem with Western open-source AI

But the story that matters here is not about one company's disclosure failure. It is about why Cursor — and likely many other ...
VentureBeat

Cursor’s new coding model Composer 2 is here: It beats Claude Opus 4.6 but still trails GPT-5.4

Credit: VentureBeat made with OpenAI GPT-Image-1.5 Cursor, a San Francisco AI coding platform from startup Anysphere valued at $29.3 billion, has launched Composer 2, a new in-house coding model now ...

Cursor founder clears air on Kimi model use in Composer 2: Here’s all you need to know

Users had speculated that Composer 2, a new model designed to improve efficiency in software development workflows, was built on an external base model that was not disclosed at launch. In an X post, ...