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Q4 2026
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The biggest thread today is size with intent: Reflection AI’s open-source Beam, a 501B-parameter large language model, is arriving with unusually crisp details for a rollout that still promises more. Beam Base was trained on 23.8 trillion tokens pulled from public web and commercial sources. Reflection AI says early access is live now, with model weights, documentation, and fine-tuning tools slated for later this month—an acknowledgment that “open” is only as useful as what practitioners can actually run, modify, and measure.
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