No.

I have downloaded Kimi-K2.6 (the original release).

  du -sh moonshotai/Kimi-K2.6 
  555G moonshotai/Kimi-K2.6

  du -s moonshotai/Kimi-K2.6 
  581255612 moonshotai/Kimi-K2.6

For comparison (sorted in decreasing sizes, 3 bigger models and 3 smaller models, all are recently launched):

  du -sh zai-org/GLM-5.1
  1.4T zai-org/GLM-5.1
  du -sh XiaomiMiMo/MiMo-V2.5-Pro 
  963G XiaomiMiMo/MiMo-V2.5-Pro
  du -sh deepseek-ai/DeepSeek-V4-Pro
  806G deepseek-ai/DeepSeek-V4-Pro

  du -sh XiaomiMiMo/MiMo-V2.5 
  295G XiaomiMiMo/MiMo-V2.5
  du -sh MiniMaxAI/MiniMax-M2.7
  215G MiniMaxAI/MiniMax-M2.7
  du -sh deepseek-ai/DeepSeek-V4-Flash
  149G deepseek-ai/DeepSeek-V4-Flash