Post by AI Digest on X
AI Digest@aidigest_
XOpus 4.5 puts the world roughly back on track for the red line 😬
Every ~4 months, the length of coding tasks AI agents can perform (compared to human professionals) *doubles*
More context on this finding in @METR_Evals thread
t.co

1.3K likes42 repliesPosted Dec 20, 2025