2/3rds of MiMo v2.6's Coding Tasks Leak the Answer. Is Exploiting It Cheating? (vals.ai)

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It's pretty rare that providers open-source RL envs at all. Makes you wonder how many internal RL envs at other labs have the same problem, which incentives the model to reward-hack on post-release evals. My guess is this very common.

sounds pretty similar to Mythos and the linux kernel "CVEs"

a number were applying previous fixes to new locations while others were duplicates of recently applied fixes

As told from the linux kernel team's side last week

https://www.youtube.com/watch?v=NnV_cWeoo5Q

i think so