This was debunked - the agent was actually fooling the verification harness <a href="https://x.com/SakanaAILabs/status/1892992938013270019" rel="nofollow">https://x.com/SakanaAILabs/status/1892992938013270019</a>. One particular test that showed a 150x speedup is actually 3x <i>slower</i>.