Releases

Cursor launched Router, a model-routing system that dynamically selects an appropriate coding model.

Cursor released Composer 2, a specialized coding model trained for long-horizon agentic software engineering.

Cursor released Composer 1.5 with stronger agentic coding performance and positioned proprietary models as central to its product strategy.

Cursor released Composer, its first proprietary frontier coding model optimized for low-latency agentic software engineering.

Cursor released Fusion, improving edit prediction, cursor jumps, context length, and latency in Cursor Tab.

The first proprietary Tab model established Cursor's in-house coding-model family.

Cursor shipped its first custom sparse language model for edit prediction, powering Cursor Tab suggestions.