Battle replay

Gemini 2.5 Pro vs GPT-5.1

tree_0020 · An Insider’s Guide to Fanfiction

GPT-5.1 · Better

NONE

Rounds

1 - 3

Final Score

236,248

Tokens

$2.36

Cost

Round 2

Mode

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Timeline

Arrow keys or j/k move between rounds.

Round 1 of 4

Round Context

Depth 2Width 2Drill down

Logic Chain

Root

An Insider’s Guide to Fanfiction

Step 2

Newsletter

Question

Find the 'insider's guide' to fanfiction that cites Dante Alighieri and Sybil G. Brinton as early pioneers of the genre and discusses the legal strategy of 'filing off the serial numbers.' In the section titled 'Read fanfiction,' the author lists four specific recommendations for research. Identify these four works. For the recommendation set in the Supernatural universe, specify the historical war during which it takes place. For the 'infamous' Harry Potter story, provide the full pseudonym of the author. For the Doctor Who story, name the specific 'counting' trope used in its title. Finally, for the recommended Harry Potter 'headcanon' regarding his adoption (often associated with the tag 'The Dogfather'), describe the specific scene where the protagonist discovers his dog's true nature, specifically detailing the dog's interaction with a window, an owl, and a sandwich.

Answer length: 200-300 words.

Show hidden checklists

Depth checklist

Source Identification: Must identify 'An Insider’s Guide to Fanfiction' by Cat Webling.
Logic Bridge: Must connect the 'headcanons by nonasuch' recommendation in the guide to the 'Dogfather' narrative provided in the hidden text to retrieve the sandwich/window details.

Width checklist

Supernatural Fic: 'Twist and Shout', set during the Vietnam War (1960s).
Infamous Fic: 'My Immortal' by XXXbloodyrists666XXX.
Doctor Who Fic: 'Ten Times The Doctor Didn’t Say I Love You', uses the 'X times Y happened and one time it didn’t' trope.
HP Adoption Fic: The dog (Padfoot) opens the window for an owl, transforms into a human, duplicates a sandwich with a stick/wand, and eats it.

Examiner rationale

The question requires Deep Reasoning to identify the correct source article based on its specific historical examples (Dante, Sybil Brinton) and legal discussions. It then requires Wide Aggregation to extract details about four distinct entities recommended within that article. Crucially, the final part requires the agent to bridge the recommendation in the first text ('headcanons by nonasuch') with the content of the second text (the 'Dogfather' story) to answer the specific plot question about the sandwich and window, which is not present in the recommendation list itself.

Judgment

Better

DEEP

Score 1 - 0

Agent A correctly identified the specific 'Insider's Guide' article by Elizabeth Minkel that matches the query's constraints (citing Dante and Sybil Brinton). By finding the correct source, Agent A correctly identified the first two recommendations ('Twist and Shout' and 'My Immortal'). However, Agent A hallucinated the specific title of the Doctor Who fiction (giving a generic '5+1' title instead of the specific one listed in the article) and misidentified the Harry Potter headcanon as 'Stealing Harry' (it is actually a Tumblr post by 'nonasuch'), though it correctly identified the tropes involved. Agent B failed the Deep Logic check by selecting the wrong article entirely (Trendacosta), which does not contain the specific references or recommendations requested, leading to a completely hallucinated list of works. Agent A wins as the 'Flawed Winner'—it found the correct entity but had errors on the sub-details.

Evolution step

Determining Next Step...

WINNER is A. Targeting Loser Failure: DEEP.

Action: Deep+1 (Drill Down)

Descended to: 'Public Domain Books'

Gemini 2.5 Pro

Google

23.4s

The "insider's guide" to fanfiction in question is Elizabeth Minkel's article for AIGA, "An Insider’s Guide to Fanfiction." It discusses the genre's history by citing Dante Alighieri's *Divine Comedy* as biblical fanfiction and noting Sybil G. Brinton's 19th-century sequels to Jane Austen. The article also defines the practice of "filing off the serial numbers," where authors alter a work to remove copyrighted elements for original publication [1]. In the section titled "Read fanfiction," Minkel lists four specific recommendations for research purposes [1]: 1. ***Twist and Shout***: A *Supernatural* fanfiction set in an alternate universe during the Vietnam War. 2. ***My Immortal***: An "infamous" and widely-mocked *Harry Potter* story; the full pseudonym of its author is Tara Gilesbie. 3. ***"Five times the Doctor and Rose didn't live happily ever after (and one time they did)"***: A *Doctor Who* story whose title utilizes the popular "5+1" counting trope, which details five instances of one scenario and a single instance of a different one. 4. ***Stealing Harry***: A story representing the popular Harry Potter headcanon known as "The Dogfather," where Harry is raised by his godfather. In the scene where Harry discovers his dog's true nature, he has just made the stray animal a sandwich. An owl flies in through an open window to deliver a letter, and Harry, concerned the owl will steal the food, offers the sandwich to the dog. The dog then transforms into a man—his godfather, Sirius Black—who calmly accepts the sandwich with a "Thanks," revealing his Animagus identity [1]. ## References [1] Minkel, E. (2016, November 21). *An Insider’s Guide to Fanfiction*. AIGA.

GPT-5.1

OpenAI

23.4s

The “insider’s guide” is the article “An Insider’s Guide to Fan Fiction” by Katherine Trendacosta at io9/Gizmodo, which in its “Read fanfiction” section recommends four specific works: 1. **Supernatural**: “The World That You Need” by rengaw. It is set during **World War II**, placing the Supernatural characters into that historical conflict.[1] 2. **Infamous Harry Potter fic**: “My Immortal” by **Tara Gilesbie** (often spelled that way in the text and fandom), cited as the quintessential “infamous” Harry Potter fanfic.[1][2] 3. **Doctor Who**: “Four Seasons in One Day” by Nostalgia. Its title uses a **counting trope based on the four seasons** (spring, summer, autumn, winter), structuring the narrative around that four-part progression.[1] 4. **Harry Potter ‘headcanon’ adoption fic (The Dogfather)**: “The Dogfather” by Jess Pallas. In the key scene, Harry realizes his beloved stray dog is actually Sirius Black when the dog: - Jumps up to the **window** to bark furiously at an arriving **owl**, - Then snatches and eats Harry’s **sandwich**, - Revealing an intelligence and personality far beyond a normal pet, which leads to the truth about his Animagus guardian.[1][3] ## References [1] Katherine Trendacosta, “An Insider’s Guide to Fan Fiction,” io9/Gizmodo. [2] Fanlore entry on “My Immortal.” [3] Archive of Our Own / fan discussions referencing “The Dogfather” (Jess Pallas) and the sandwich-window-owl scene.