Reflection AI's Beam-1.0-501B Debuts in Agent Arena Top 15, Establishing Open-Weight Competitiveness
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Reflection AI's open-weight language model Beam-1.0-501B-A23B has entered the Agent Arena top 15, ranking #13 globally and #6 among US-based labs, according to the crowdsourced AI benchmark platform. The model was released on October 16, 2026, by Reflection AI, the frontier AI lab co-founded by former DeepMind researchers Misha Laskin and Ioannis Antonoglou.
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