There is an AI based online Autorouter called quilter.ai – it says that it uses physics based Autorouter and promises good results. They have a demo where complete computer PCB is designed by quilter. I tried it out with one simple board, 12 layers only BGA chip small 18x18mm, most signal routing done. There was only power supply routing missing, I assumed this will be fast done by the AI.
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The AI spent 20 hours and 37 minutes to achieve 94% routed status (it was in my opinion 95% routed when I started the quilter job). Routing with 50um wires where the rules minimum was 80um. Quilter reported that it found 3 DCDC converters, one was LDO, one was differential oscillator. Quilter looked for L? designators, so the oscillator and ferrite bead was recognized as DCDC converter. Some components got placed below another component, so placement was also not OK. It is not possible to define pin swapping rules so all is routed as is in the schematic.
For me it looks like an useless tool.
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