🤖 AI周报 2026-05-01

本期 AI 周报汇总了本周 AI 领域的重要资讯，涵盖大模型、AI 编程、AI 图像、AI 视频等多个方向的最新进展。

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1. Sources: Anthropic potential $900B+ valuation round could happen within 2 weeks

Anthropic is asking investors to submit allocations for the AI company’s latest fundraise within the next 48 hours, according to sources familiar with the matter.

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2. Apple was surprised by AI-driven demand for Macs

Apple said it will be supply-constrained on Mac mini, Studio, and Neo in the next quarter, too.

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3. Legal AI startup Legora hits $5.6B valuation and its battle with Harvey just got hotter

The two wildly fast-growing rivals have raised massive sums, pushed into each other's home turf, and now have dueling ad campaigns.

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4. After dissing Anthropic for limiting Mythos, OpenAI restricts access to Cyber, too

OpenAI will begin rolling out its cybersecurity testing tool, GPT-5.5 Cyber only "to critical cyber defenders" at first.

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5. OpenAI announces new advanced security for ChatGPT accounts, including a partnership with Yubico

OpenAI is launching additional opt-in protections for ChatGPT accounts. The new security initiative includes a new partnership with security key provider Yubico.

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