Miami startup Subquadratic claims its SubQ model breaks the 'quadratic attention' bottleneck. Independent tests back much of it, but doubts remain.

Subquadratic has now shared more details about its new model. But some are still skeptical.

Plus: Amazon workers who backed data center limits face potential termination.

Miami startup Subquadratic claims its SubQ model breaks the 'quadratic attention' bottleneck. Independent tests back much of it, but doubts remain.