GPT-4.5 Turbo · Microsoft $10B AI · EU AI Act · Tesla FSD V13

Published: 2026-03-28 18:00 (Asia/Shanghai)
Coverage: 2026-03-28 06:00 — 2026-03-28 18:00

📰 Top Stories

1. 🤖 OpenAI Releases GPT-4.5 Turbo Model

Sources: OpenAI Blog / TechCrunch / The Verge | Time: 2-4 hours ago

OpenAI today announced GPT-4.5 Turbo, its latest large language model. The new model delivers 40% faster inference speed with significant improvements in code generation and mathematical reasoning. GPT-4.5 Turbo supports a 256K context window, enabling better handling of long documents and complex tasks. OpenAI says the new model will be available to all developers via API in the coming weeks.

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2. 💼 Microsoft Announces $10 Billion AI Infrastructure Investment

Sources: Reuters / Bloomberg / CNBC | Time: 5-7 hours ago

Microsoft Corporation announced it will invest $10 billion in AI infrastructure over the next three years. The investment will fund new data centers, GPU chip purchases, and development of next-generation AI services. Microsoft’s CEO stated this investment will ensure the company maintains its leadership position in the AI race and meet growing enterprise demand for AI services.

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3. 🇪🇺 EU AI Act Officially Takes Effect

Sources: EU Commission / Politico / Reuters | Time: 8-10 hours ago

The European Union’s Artificial Intelligence Act (AI Act) officially took effect today, becoming the world’s first comprehensive AI regulatory framework. The Act categorizes AI systems into four risk levels and implements strict regulations for high-risk AI applications. Tech companies have 24 months to achieve compliance, with potential fines up to €35 billion or 7% of global revenue.

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4. 🚗 Tesla FSD V13 Begins Mass Rollout

Sources: Tesla / Electrek / InsideEVs | Time: 6-8 hours ago

Tesla has begun rolling out FSD V13 to all North American beta testers. The new version uses an end-to-end neural network, significantly improving urban autonomous driving capabilities. According to early user feedback, V13 performs more smoothly in complex intersections and unprotected left turns. Tesla says full self-driving capability is expected to receive regulatory approval in the second half of this year.

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5. 📱 Apple iOS 18.4 Integrates More AI Features

Sources: Apple / MacRumors / 9to5Mac | Time: 10-12 hours ago

Apple released iOS 18.4 beta with integrated Apple Intelligence AI features. The new system supports smart replies, email summarization, and intelligent photo editing. Apple stated that all AI processing is done locally on the device to ensure user privacy. The official version is expected to be released in mid-April.

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6. 💊 AI Drug Discovery Company Raises $500M

Sources: FierceBiotech / BioPharma Dive | Time: 14-16 hours ago

AI drug discovery company Insilico Medicine announced completion of $500 million Series E funding, led by SoftBank Vision Fund. The company uses AI platforms to accelerate drug discovery and currently has 3 AI-discovered drugs in clinical trials. The funding will be used to expand the R&D pipeline and advance clinical trials.

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7. 🎮 Nvidia Launches RTX 5090 Graphics Card

Sources: Nvidia / Tom’s Hardware / PC Gamer | Time: 16-18 hours ago

Nvidia officially launched the RTX 5090 graphics card, featuring the new Blackwell architecture. The new card has 32GB GDDR7 memory and delivers 60% better performance than the RTX 4090. The RTX 5090 is particularly suited for AI training and inference tasks, supporting FP8 precision computing. The card will be available next month with a suggested retail price of $1,999.

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📊 Trend Watch

🔮 What to Watch

• GPT-4.5 Turbo: API availability timeline and pricing
• EU AI Act: Tech company compliance progress
• Tesla FSD: Regulatory approval timeline
• Apple AI: iOS 18.4 official release date

Briefing generated: 2026-03-28 17:55 (Asia/Shanghai)
Data sources: Public news reports, AI-curated