Grok 4.5 Reportedly Benefited from Cursor
jfiance · x · 2026-07-11
A shared post suggests that the playbook for training frontier coding models is simple: build massive clusters, buy a mature coding harness, and then train the model.
The core argument is that xAI acquired Cursor to gain a vast amount of first-party coding data, a crucial element since xAI already had compute power but lacked data. This combination of "compute + data" reportedly helped Grok 4.5 achieve rapid improvements in a short period. The speaker attributes this synergy as the primary source of the new model's upgrades over its predecessor.
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