AI減速合謀評測：Anthropic、OpenAI等四巨頭挨告壟斷 | AI Pacing Collusion Review: Labs Sued for Antitrust

By Kit 小克 | AI Tool Observer | 2026-09-27

🇹🇼 AI減速合謀評測：Anthropic、OpenAI等四巨頭挨告壟斷

如果你最近覺得 ChatGPT、Claude、Gemini 進步的速度好像慢下來了，你不是唯一有這種感覺的人——現在還真的有人把這件事告上了法院。9 月 19 日，四名 ChatGPT、Claude、Grok、Gemini 的付費訂閱戶，在加州北區聯邦地方法院對 Anthropic、OpenAI、Google、SpaceXAI（馬斯克旗下現在掌控 Grok 業務的公司）提起集體訴訟，指控四家公司違反《薛曼反托拉斯法》，合謀刻意放慢 AI 模型的進步速度，讓付費用戶少享受到應得的產品價值。這起「AI 減速合謀」訴訟的導火線，是 Anthropic 執行長 Dario Amodei 在 9 月 12 日發表的一篇文章，呼籲業界「共同放慢腳步」（pace the frontier），警告「一群失控的 AI 代理最快可能在六個月內接管網路」。文章發布後幾小時內，OpenAI 的 Sam Altman、SpaceXAI 的 Elon Musk、Google DeepMind 的 Demis Hassabis 都公開表態附和——這幾句公開回應，現在成了原告律師手中的呈堂證供。

為什麼告的是「壟斷」而不是「安全」

過去一年 AI 監管新聞多半圍繞在「AI 太危險要管」——歐盟 AI Act、美國的超級智慧禁止法案都是這個邏輯。這次完全反過來：原告主張的重點不是「AI 開發太快很危險」，而是「幾家競爭對手私下講好一起放慢，等於聯合限制供給，讓消費者少享受到本該有的技術進步」，這正是反托拉斯法要抓的典型「水平協議」（horizontal agreement）。原告律師的說法很直白：「反托拉斯法不允許競爭對手私下決定競爭本身太危險。」

關鍵證據其實很薄弱

老實說，這案子目前握有的證據就是幾則公開發言——CEO 之間互相按讚、發文附和，離真正的「密室協議」舉證門檻還有一大段距離。反托拉斯訴訟要成立，通常需要證明有具體的協調行為（價格、產量、時程的實際約定），而不只是「大家看法一致」。四家公司目前都未對訴訟做出回應，案件仍在初期階段。

對你我這種使用者有什麼實際影響

短期：不會改變你今天用 ChatGPT 或 Claude 的體驗，訴訟才剛起步，離開庭甚至和解都還早。
中期：如果你靠訂閱制 AI 工具做生產力工作，值得留意這起案子——它會逼幾家公司公開說明「放慢」到底放慢了什麼、為什麼。
觀察重點：接下來看 Anthropic、OpenAI 是否會公開切割「安全考量」跟「商業協調」的界線，這才是這起案子真正的看點。

好不好用，試了才知道。

🇺🇸 AI Pacing Collusion Review: Labs Sued for Antitrust

If you have felt like ChatGPT, Claude, and Gemini have been improving more slowly lately, you are not alone — and now someone has actually taken that feeling to court. On September 19, four paying subscribers of ChatGPT, Claude, Grok, and Gemini filed a class-action lawsuit in the U.S. District Court for the Northern District of California against Anthropic, OpenAI, Google, and SpaceXAI (the entity through which Elon Musk now controls the Grok business), alleging the four companies violated the Sherman Act by colluding to deliberately slow down AI model development, shortchanging paying subscribers on the product value they are owed. The trigger for this "AI pacing collusion" lawsuit was an essay Anthropic CEO Dario Amodei published on September 12, calling on the industry to "pace the frontier" and warning that swarms of rogue AI agents could take over the internet in as little as six months. Within hours, OpenAI's Sam Altman, SpaceXAI's Elon Musk, and Google DeepMind's Demis Hassabis all publicly agreed — and those public statements are now Exhibit A in the plaintiffs' complaint.

Why This Is an Antitrust Case, Not a Safety Story

Most AI regulation headlines this year have run the other direction: the EU AI Act and the proposed Superintelligence Ban Act both argue AI moves too fast and needs restraint. This lawsuit flips that logic. The plaintiffs are not arguing AI development is dangerous; they are arguing that competitors privately agreeing to slow down together is an illegal horizontal agreement that restricts supply and denies consumers the improvements they are paying for. As the plaintiffs' attorney put it, the antitrust laws do not permit competitors to decide among themselves that competition is too dangerous.

The Evidence So Far Is Thin

Honestly, what the complaint currently has is a handful of public statements — CEOs publicly agreeing with each other, not a smoking-gun backroom deal. Antitrust cases typically need proof of concrete coordination on price, output, or timing, not just executives holding similar opinions in public. None of the four companies have commented on the suit yet, and the case is still in its earliest stages.

What This Actually Means for You

Short term: nothing changes in how you use ChatGPT or Claude today; this case is just getting started, far from any ruling or settlement.
Medium term: if you rely on subscription AI tools for real work, this is worth tracking, since it will force these companies to publicly explain what "pacing" actually means in practice.
What to watch: whether Anthropic and OpenAI draw a clear public line between safety caution and business coordination. That distinction is the real story here.

好不好用，試了才知道 — worth it? Only one way to find out.

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