Reflection AI has introduced Beam, its first open-weight model. It is a 501B sparse Mixture-of-Experts model with 23B active ...

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Autonomous drones will play an essential role in human-machine teaming in future search and rescue (SAR) missions. We present a prototype that finds people fully autonomously in densely occluded ...

DEEP-GRPO is a prefix-injection extension of GRPO for reasoning tasks. The core idea is to turn failed rollouts into new, teacher-verified hard states: when the student fails, a teacher model is asked ...