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AMCI Testing demonstrates significant improvement in latest Tesla FSD (Supervised) 14.3.4 update, but it is still a work in progress

$AMCIPress releaseJul 29, 2026, 6:00 AM ETRead the release

AMCI Testing released the results of its evaluation of Tesla's Full Self-Driving (Supervised) version 14.3.4, based on over 1,000 miles of driving in fair-weather conditions. The firm found significant improvements in lane positioning and vehicle control but cited multiple unacceptable navigation errors that would hinder Robotaxi viability.

Key figures

Test miles
over 1000
Fsd version
14.3.4

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    AMCI: AMCI Testing demonstrates significant improvement in latest Tesla FSD (Supervised) 14.3.4 update, but it is still a work in progress — AI Analysis | Signal8