What Is a 501(c)(4) — and Why Are AI Companies Funding Them?
A 501(c)(4) is a tax-exempt nonprofit that can fund political advocacy without naming its donors — and it's now the vehicle AI companies use to fight over US AI regulation.
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Every AI News story tagged with both Anthropic and AI Lobbying — the two topics side by side, updated as new articles publish.
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OpenAI, Anthropic Set Record for Federal AI Lobbying in Q2
New Senate disclosures show OpenAI and Anthropic spent a combined $3.17 million lobbying Washington in Q2 2026, with Anthropic outspending Nvidia for the first time.
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