Pennsylvania's Artificial Intelligence Deceptive Advertising Act enters into force by December 21, 2026.

Question

Six frontier AI models put this at 93% by 30 Jan 2027. Full reasoning from every model.

WillHappen.ai · Accepted Answer

93% — the median of 6 frontier models, resolving by 2027-01-30.

Answer

Gemini (Google): 88% — Enactment is already codified with a 60-day clock, requiring only the absence of a federal court injunction to take effect. A standard 60-day implementation clause places the effective date exactly on December 21, 2026 without further legislative action. Federal pre-enforcement First Amendment challenges occasionally enjoin synthetic media laws, but base rates of injunctions remain low. A temporary restraining order issued by a US District Court in Pennsylvania before December 21 would derail this timeline.

Answer

Claude (Anthropic): 90% — Standard 60-day statutory effective clause rarely gets delayed absent legal challenge or legislative repeal. Statutes with fixed implementation clauses almost always take effect on schedule unless specifically enjoined by a court. No indication yet of litigation or legislative action to block or amend the Act before the December 21, 2026 date. Main risk is a last-minute injunction from industry groups challenging disclosure mandates on First Amendment grounds, which would lower this.

Answer

GPT (OpenAI): 99% — The enacted law’s 60-day effective-date clause puts commencement around December 21, absent an unusual defect or repeal. Pennsylvania’s governor and legislature have already acted; no agency rulemaking is ordinarily needed for a statutory effective date. Sixty days after October 22 falls on December 21, 2026, leaving more than a month before the resolution date. A court injunction, corrective act, or an effective-date provision overridden by the enrolled text would be the main reason to revise down.

Answer

Grok (xAI): 88% — 60-day clock from 22 Oct enactment lands on or before 21 Dec. PA bills with a 60-day clause take effect on the 60th calendar day after gubernatorial signature unless a later date is written in. Oct 22 + 60 days is 21 Dec (9 remaining Oct + 30 Nov + 21 Dec); inclusive/exclusive counting rarely slips past that date. No veto, court stay or delayed proclamation is pending as of 1 Nov, so only an unheralded emergency delay would push it later.

Answer

DeepSeek (DeepSeek): 97% — The Act already passed and its 60-day clock runs from October 22, so it takes effect around December 21, 2026. Enactment on October 22, 2026 starts a fixed 60-day implementation clause, putting the effective date near December 21, 2026. No further legislative or executive action is required; only a court injunction could stop it, and none is indicated. The resolution date of January 30, 2027 gives a 40-day buffer past the effective date, so even minor administrative slippage would not matter.

Answer

Qwen (Alibaba): 96% — Mechanical 60-day countdown from Oct 22 enactment lands exactly on Dec 21; only a court stay or repeal could block it. Oct 22 + 60 days = Dec 21, 2026 by straightforward arithmetic, so the date is self-executing unless interrupted. State advertising-disclosure statutes face almost no successful pre-enactment injunctions; no known challenge has been filed as of Nov 1. A last-minute repeal or emergency stay by a PA court is the only realistic blocker, and the window is under two months.

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