AI This Week: What B2B Leaders Need to Know — September 21, 2026
The center of gravity in AI shifted this week from bigger models to bigger balance sheets and harder borders. Anthropic set an October Nasdaq IPO in motion near an $800B valuation, Mistral closed Europe’s largest-ever tech raise, and Cohere agreed to absorb Aleph Alpha — three signals that sovereignty, capital, and governance now matter as …
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