Tesla holds back Model Y robotaxis, reveals FSD v15 improvements

Tesla is testing FSD v15 on its robotaxi fleet, featuring major improvements across seven core technologies, comparable to the jump from FSD v13 to v14. The software currently runs on standard AI4 hardware in Model Ys, supporting unsupervised driving. Tesla is also developing AI4+ hardware with 10% more FLOPS and twice the memory, designed for vehicles like the upcoming Cybercab. The company is holding back Model Y robotaxi expansion pending the Cybercab launch, which will use FSD v15 and AI4+ hardware for ground-up training, promising a significant performance boost.

• FSD v15 improves seven core technologies over v14
• AI4+ hardware offers 10% more FLOPS and double memory
• Model Y robotaxis run FSD v15 on AI4 hardware

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