月之暗面將Kimi K3完整模型權重上傳至Hugging Face，技術報告同步公開。該模型總參數2.8萬億、激活1040億，支持100萬token上下文，成爲全球首個3萬億參數級開放權重模型。自7月16日API首發後僅11天，K3在Artificial Analysis智能指數中以57分位列全球第三，僅次於Claude Fable5和GPT-5.6 Sol。
Anthropic宣佈7月20日起調整Fable5訂閱策略：Max/Team Premium用戶保留訪問但限額大減，獎勵期後常規額度再減33%，實際可用額度僅爲調整後限額的50%；Pro/Team Standard失去權限，獲一次性100美元額度後按API付費。因高頻調用。
過去更換編程語言需耗費數年，堪稱企業巨震。Anthropic藉助Claude Fable5、Opus4.8與動態工作流，一個月內將10個代碼包（每個數萬到數十萬行）平滑遷移至新語言，顛覆了傳統認知，展示了AI驅動大規模代碼重構的高效與可行性。
月之暗面發佈預熱視頻，暗示Kimi K3即將推出，視頻中一閃而過的“3”字引發猜測。代號Kivine的匿名模型現身Arena.ai，疑爲Kimi K3，網友已流出其與Cla模型的對比測試。
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