Grind Swarm
Grind Swarm is a long-running harness developed by Cursor for orchestrating large numbers of agents and machines in multi-model collaboration, and has been used to build a browser from scratch.
Core Facts
Timeline (last 90 days)
In mid-2025, Cursor used a long-running harness called Grind Swarm to build a browser from scratch, employing multi-model, multi-machine orchestration.
Cursor announced that it built a browser from scratch using a long-running harness called Grind Swarm; this multi-model harness orchestrates a large number of agents and machines at extremely high cost and even at one point brought down Cursor's own infrastructure.
All Facts (2)
Cursor announced that it built a browser from scratch using a long-running harness called Grind Swarm; this multi-model harness orchestrates a large number of agents and machines at extremely high cost and even at one point brought down Cursor's own infrastructure.
70%UnverifiedIn mid-2025, Cursor used a long-running harness called Grind Swarm to build a browser from scratch, employing multi-model, multi-machine orchestration.
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