Last updated11 Apr 2026, 3:22 pm SGT
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Battle replay

Claude Opus 4.1 vs GPT 5.4

tree_0014 · Video rental shop

Claude Opus 4.1 · Better
NONE
2
Rounds
2 - 0
Final Score
152,705
Tokens
$1.53
Cost
Onboarding R1
Mode
← Back to battles·View source page·onboarding_battles/R1_claude-opus-4-1-search_vs_gpt-5.4-search_tree_0014.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 2

Round Context

Depth 2Width 2Pressure test
Logic Chain
Root

Video rental shop

Step 2

In a Copyright Ruling, the Legacy of the Betamax

Question

A landmark U.S. Supreme Court decision in the 1980s preserved consumers’ right to record television programs for later viewing, helping enable the rise of home video technology. Decades later, the Court issued another major ruling involving a foreign student who resold legally purchased textbooks in the United States, reinforcing the “first sale” doctrine. Identify this later Supreme Court case and explain: (1) who the student was and what he did, (2) which company sued him and why, (3) how the Court ruled and the vote split, and (4) how this decision relates to the earlier home video ruling in terms of its impact on businesses such as video rental shops and secondary markets.

Answer length: 200-300 words.

Show hidden checklists
Depth checklist
  • Kirtsaeng v. John Wiley & Sons (2013) + student importing and reselling legally purchased textbooks
  • Sony Corp. of America v. Universal City Studios (1984) (Betamax case) + preservation of time-shifting and foundation for video rental market
Width checklist
  • Name of Supap Kirtsaeng and description of his resale of cheaper foreign textbooks in the U.S.
  • Identification of John Wiley & Sons as the suing publisher and its argument about market segmentation and copyright infringement
  • Explanation that the Supreme Court ruled 6–3 in favor of Kirtsaeng under the first sale doctrine
  • Connection drawn to the 1984 Betamax decision (5–4 ruling) allowing home recording and protecting rental/resale markets
  • Explanation of implications for video rental shops and secondary markets under the first sale doctrine
Examiner rationale

The question uses deep logic by referencing two Supreme Court rulings connected by the first sale doctrine and consumer recording rights without naming them directly. The test taker must identify both the 2013 Kirtsaeng case and the 1984 Betamax case through reasoning. It requires wide aggregation by asking for multiple specific facts: the student’s actions, the publisher’s claim, the vote split, and the broader economic impact on video rental shops and resale markets.

Judgment

Better
NONE
Score 1 - 0

Both agents pass Deep Logic: they correctly identify Kirtsaeng v. John Wiley & Sons (2013) and connect it to Sony v. Universal (1984). Both also satisfy the Width checklist: Supap Kirtsaeng’s resale scheme, Wiley’s lawsuit and market-segmentation argument, the 6–3 ruling, and the implications for secondary markets and video rental businesses are accurately explained. However, Agent A provides a more polished and comprehensive user experience. It includes additional helpful details (e.g., earnings, named justices, geographic price discrimination) and presents a clean narrative without artifacts. Agent B includes visible browser.search code at the top, which significantly detracts from presentation quality and professionalism. While B uses bold formatting effectively, the formatting flaw and slightly thinner contextual explanation reduce overall usability. Because both are factually strong but Agent A offers cleaner presentation and slightly richer context, A wins on User Utility and Structure. No major factual failures by the loser.

Evolution step
Determining Next Step...
WINNER is A. Targeting Loser Failure: NONE.
Action: Pressure Test (Deep+1 & Wide+1)
Descended to: 'Revolution in Resale of Digital Books and Music'

Claude Opus 4.1

Anthropic

16.6s
The 2013 Supreme Court case Kirtsaeng v. John Wiley & Sons centered on Supap Kirtsaeng, a Thai student studying mathematics at Cornell University and the University of Southern California. To fund his education, Kirtsaeng had family members purchase authentic English-language textbooks in Thailand at lower prices, then shipped them to the United States where he resold them on eBay for profit, earning approximately $900,000 over several years [1][2]. John Wiley & Sons, a major textbook publisher, sued Kirtsaeng for copyright infringement, arguing that the first sale doctrine didn't apply to products manufactured abroad. The publisher claimed Kirtsaeng's imports violated their exclusive right to distribute copyrighted works [2][3]. The Supreme Court ruled 6-3 in favor of Kirtsaeng, with Justice Breyer writing the majority opinion joined by Roberts, Thomas, Alito, Sotomayor, and Kagan. Justices Scalia, Kennedy, and Ginsburg dissented. The Court held that the first sale doctrine applies to copyrighted works lawfully made and sold anywhere in the world, not just those manufactured in the United States [1][3]. This decision directly parallels Sony Corp. v. Universal City Studios (1984), which protected home video recording under fair use. Both rulings prioritized consumer rights over corporate control of legally purchased products. The Kirtsaeng decision preserved the viability of used bookstores, libraries, museums, and secondhand markets generally, just as Sony enabled video rental businesses like Blockbuster to flourish. Without these protections, companies could severely restrict or eliminate secondary markets through geographic price discrimination and import controls [2][4]. ## References [1] Kirtsaeng v. John Wiley & Sons, Inc., 568 U.S. 519 (2013) [2] Liptak, A. (2013). "Justices Permit Resale of Copyrighted Imports." The New York Times. [3] Supreme Court of the United States. Kirtsaeng v. John Wiley & Sons, Inc. Opinion. [4] American Library Association. (2013). "Supreme Court Rules in Favor of First Sale Doctrine."

GPT 5.4

OpenAI

11.3s
to=browser.search code: {"query":"Kirtsaeng v. John Wiley & Sons Supreme Court first sale doctrine foreign student resold textbooks vote 2013 Betamax relation video rental shops", "timeout": 10000}to=browser.search code: {"query":"Sony Corp. of America v. Universal City Studios 1984 Betamax home video video rental shops first sale doctrine sources", "timeout": 10000} The later case was **Kirtsaeng v. John Wiley & Sons, Inc.** (2013), a major Supreme Court ruling on the “first sale” doctrine.[1] The student was **Supap Kirtsaeng**, a Thai national studying in the United States. He asked friends and family in Thailand to buy lower-priced foreign editions of textbooks legally sold there, ship them to him, and he then resold them in the U.S. for profit.[1][2] **John Wiley & Sons**, the textbook publisher, sued him for copyright infringement. Wiley argued that although the books were lawfully made and sold abroad, the first sale doctrine did not apply to copies manufactured outside the United States, so Kirtsaeng’s importation and resale were unauthorized.[1][2] The Supreme Court ruled **for Kirtsaeng, 6–3**, holding that the first sale doctrine applies to copies lawfully made abroad as well as in the United States.[1][2] That meant the lawful owner of such a copy could resell it in the U.S. without the copyright owner’s permission.[1] The decision echoed the practical, market-shaping effect of the earlier **Sony v. Universal** “Betamax” ruling from 1984, which protected consumers’ ability to record TV programs for later viewing and helped clear the way for home video markets.[3] In **Kirtsaeng**, the Court similarly favored lawful downstream use of copyrighted goods, preserving secondary markets such as used-book sellers, libraries, and retailers. Commentators and the Court itself noted that a narrow ruling for Wiley could have disrupted ordinary resale businesses and institutions much as restrictive copyright rules could have undermined video rental shops and other home-video commerce after **Sony**.[1][3] ## References 1. Oyez, **Kirtsaeng v. John Wiley & Sons, Inc.**: https://www.oyez.org/cases/2012/11-697 2. Supreme Court of the United States, **Kirtsaeng v. John Wiley & Sons, Inc., 568 U.S. 519 (2013)**: https://supreme.justia.com/cases/federal/us/568/519/ 3. Oyez, **Sony Corp. of America v. Universal City Studios, Inc.**: https://www.oyez.org/cases/1983/81-1687