Cursor 2.0 Debuts with In-House Model Composer
Cursor 2.0 debuts self-built Composer model: 4× speed, 8-agent parallel coding, true AI-native IDE
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Finally, Cursor has embarked on the path of training its own large language model.
Cursor 2.0 has finally arrived!
Cursor has released two major updates: its first coding model, Composer, and a new interface for parallel collaboration among multiple agents.
This move is highly significant. For a long time, although Cursor has been widely popular, it couldn’t escape the label of being “the VS Code of the AI era,” because it previously could only use third-party models like Claude and GPT. This was both Cursor’s starting point and its bottleneck.
The release of Composer can be considered Cursor’s “declaration of independence” in breaking through this bottleneck, marking Cursor’s official evolution from an “AI wrapper” to an “AI-native platform.”
Self-Developed Model: Composer
Composer is a cutting-edge model that, while not matching the intelligence of the best frontier models like GPT-5, leads significantly in speed—achieving 4x the speed of similarly intelligent models.