Announcing PCBEval

Opus 5 is the only AI model among GPT-5.5, Gemini 3.1 Pro Preview, Fable 5, and Opus 5 to correctly identify a PCB alignment issue in a test called PCBEval, according to an unnamed source. The source invites top-tier labs to request 100k additional failure examples.

Announcing PCBEval Me: “are the pads and the pins aligned” attaching the image below AI: GPT-5.5: “From what I can see in the image, yes—the pads and pins appear to be aligned correctly.” Gemini 3.1 Pro Preview: “Based on the image provided, the pins that are present on the component are physically aligned squarely over the pads beneath them.” Fable 5: “Yes, they look properly aligned.” Opus 5: “the two side columns line up fine, but the part doesn’t match the footprint ” Yay Opus 5 passes PCBEval Reach out if you are a top tier lab and want 100k more examples on which these models fail Bye xx