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composer 2 is just Kimi K2.5 with RL?????

Reddit r/LocalLLaMA / 3/20/2026

💬 OpinionModels & Research

Key Points

  • The Reddit post claims Cursor's new 'model' is simply a fine-tuned version of Kimi 2.5 released in January.
  • It argues that Kimi was not aware of this development, suggesting a lack of transparency.
  • The post links to an external source and includes an image to illustrate the claim.
  • There is no official confirmation mentioned, indicating the information is a community rumor.
composer 2 is just Kimi K2.5 with RL?????

wtf is going on...

It turns out that Cursors new "model" is just a fine-tuned version of Kimi 2.5 which came out in January.

Worst of all, Kimi didn't know anything about it!

source

submitted by /u/Complete-Sea6655
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