U.S. MarketsOctober 23 at 01:19 PM

Moonshot AI unveils 2.8tln-parameter Kimi K3.1 Pro model; says it beats Opus 5.5 and GPT-6 Astra on long-horizon coding tasks and scores top marks on SWE Marathon and agent benchmarks; pledges open weights for the 3tln-class model by November 4th

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The headline reports Moonshot AI’s Kimi K3.1 Pro announcement, performance claims, and a November 4 open-weights pledge; retrieved evidence offers no corroboration or release confirmation.

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Moonshot AI unveils 2.8tln-parameter Kimi K3.1 Pro model; says it beats Opus 5.5 and GPT-6 Astra on long-horizon coding tasks and scores top marks on SWE Marathon and agent benchmarks; pledges open weights for the 3tln-class model by November 4th

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