OpenAI Unveils GPT-6 Astra; Tesla's Cybercabs Face Federal Scrutiny

OpenAI released GPT-6 Astra, its most advanced model, featuring critical-level cybersecurity capabilities that can autonomously discover and exploit vulnerabilities. Meanwhile, Tesla deployed wheel-free Cybercabs on Austin streets, prompting an immediate federal safety investigation. These developments headline the day's top tech news.
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Original headline: “Top Tech News Today, September 4, 2026: Amazon, Google, Microsoft, Nvidia, OpenAI, Tesla & More.” Browse more stories.