Moonshot Releases the Largest Open Model Ever, Anthropic Clarifies Its Open Weights Stance
Today we're covering the biggest AI stories of July 28th, 2026. Moonshot AI officially released the weights and tech report behind Kimi K3, a 2.8 trillion parameter model that anyone with serious enough GPUs can now download and run, the largest model ever put out with open weights, and one that's already competed with both Claude Fable 5 and GPT-5.6 Sol on real benchmarks, even as U.S. officials accuse Moonshot of distilling American models to build it, an accusation Beijing rejects as AI hegemony. Anthropic CEO Dario Amodei published a post clarifying where the company actually stands on…
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