Unverified50% confidenceFactExact time
The only official information Cursor has made public is a mention at a developer conference in June that a model was being trained from scratch.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/12/2026
First Seen
Valid until: 12/11/2026
Sources
Related Entities
Related Claims
UnverifiedCursor's previous models used the Kimi open-source base, and the next generation's goal is to fully pre-train from scratch.72% similarUnverifiedBecause an early snapshot of the Cursor codebase was inadvertently included in the training data, the team did not use Cursor Bench to publicly promote Grok 4.5.67% similarUnverifiedBackground Agent was previously released as an early beta before being officially available to all users in Cursor 1.0.67% similarUnverifiedCUDA only needs to be installed separately in deployment scenarios (such as exporting to TensorRT format for inference); it is not required for introductory training or simple inference.66% similarUnverifiedCursor does not train foundation models itself; its technical architecture relies on calls to external large language model APIs.66% similar
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