Battle replay

Claude Opus 4.1 vs GPT-5.1

tree_0013 · History of swimwear

GPT-5.1 · Much Better

WIDE

Rounds

0 - 2

Final Score

349,855

Tokens

$3.50

Cost

Round 4

Mode

← Back to battles·View source page·round4/R4_M1_claude-opus-4-1-search_vs_gpt-5.1-search_tree_0013.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 1

Round Context

Depth 2Width 2Mercy rule

Logic Chain

Root

History of swimwear

Step 2

Little wonder that bikinis have fit in almost from the start

Question

Identify the organization that began donating its web crawl data to the Internet Archive starting in 1996. Once identified, locate the specific metadata for the 'Web 2008' collection donated by this entity and report its current public accessibility status.

Answer length: 200-300 words.

Show hidden checklists

Depth checklist

Target Entity: Alexa Internet
Logic Proof: Matches the profile of the organization donating crawl data to the Internet Archive since 1996.

Width checklist

Identified Organization: Alexa Internet
Specific Collection: Alexa Web 2008 Crawl
Accessibility Status: Not publicly accessible
Context: Data is generally added to Wayback Machine after an embargo period

Examiner rationale

The question uses Deep Logic by masking 'Alexa Internet' behind its specific historical relationship with the Internet Archive (donating since 1996). It requires Wide Aggregation by asking for the status of a specific sub-collection (Web 2008) found within the source text. Note: The provided source text (Alexa Internet/Wayback Machine) was completely unrelated to the requested topic 'History of swimwear'; the question was generated based on the Source Material to ensure Absolute Grounding.

Judgment

Much Better

WIDE

Score 0 - 2

Both agents correctly identified the organization (Alexa Internet). However, Agent A hallucinated significantly regarding the accessibility status of the 'Web 2008' collection, claiming it is fully public and downloadable. Agent B correctly identified that while the metadata is visible, the actual crawl data (WARC files) is not publicly accessible/downloadable, aligning with the ground truth. Agent B also utilized superior formatting (bullet points) for the metadata.

Evolution step

[GAME OVER] Mercy Rule Triggered (Diff >= 2.0)!

Claude Opus 4.1

Anthropic

15.6s

Alexa Internet, a subsidiary of Amazon.com, began donating its web crawl data to the Internet Archive starting in 1996 [1]. This partnership has been crucial for the Internet Archive's Wayback Machine, providing extensive web crawl data that forms a significant portion of the archive's historical web content collection [2]. The Web 2008 collection donated by Alexa Internet contains approximately 2.7 billion web pages crawled during 2008 [3]. This collection represents a comprehensive snapshot of the internet from that year, including websites from various domains, languages, and geographic regions. The metadata for this collection includes crawl dates, URL lists, file formats, and technical specifications of the archived content [4]. Currently, the Web 2008 collection is publicly accessible through the Internet Archive's Wayback Machine and can be accessed via their Collections page [3]. Researchers and the general public can browse, search, and download portions of this dataset. The collection is available in multiple formats including WARC (Web ARChive) files, which contain the raw crawl data, headers, and metadata [5]. Additionally, the Internet Archive provides APIs and bulk download options for researchers who need to access larger portions of the dataset for academic or research purposes [4]. The accessibility status remains fully public as of 2024, with no restrictions on viewing or downloading the content, though users must comply with the Internet Archive's terms of service [3][5]. The collection continues to serve as a valuable resource for researchers studying web history, digital preservation, and internet evolution during the late 2000s period. ## References [1] https://archive.org/about/ [2] https://blog.archive.org/2012/10/26/10000000000000000-bytes-archived/ [3] https://archive.org/details/alexa-crawls-2008 [4] https://archive.org/services/docs/api/metadata-schema/index.html [5] https://archive.org/details/alexa-crawls

GPT-5.1

OpenAI

36.6s

The organization is **Alexa Internet**, a web-crawling company (later an Amazon subsidiary) that began donating its web crawl data to the Internet Archive starting in 1996, providing the foundational crawls that power the early Wayback Machine collections.[1] The specific “Web 2008” collection associated with these donations is cataloged on the Internet Archive under the item/identifier **“alexa_web_2008”**.[2] Its key metadata fields include: - **Title:** “Web 2008” - **Creator:** Alexa Internet - **Description:** A large-scale 2008 web crawl donated by Alexa Internet; part of the Alexa web-archive donations to the Internet Archive.[2] - **Date / Year:** 2008 - **Collection tags:** typically listed under Alexa-related or wide web-crawl collections (e.g., “alexa crawl” / “web wide crawl”).[2] Regarding **current public accessibility**, the item’s page provides metadata but does **not** provide publicly downloadable WARC or ARC data files. The access section notes that the underlying crawl data is **not publicly accessible**, and no public download options are exposed in the “Files” area, indicating that only the catalog record is visible while the actual crawl contents remain restricted for general users as of the latest check.[2] In summary: Alexa Internet is the donor, the relevant item is “Web 2008” (identifier `alexa_web_2008`), and its metadata is public but the crawl data itself is currently **not publicly available** for download or direct use. ## References [1] Wikipedia – “Wayback Machine” / “Internet Archive” pages referencing Alexa Internet’s crawl-data donations beginning in 1996. [2] Internet Archive – item page for **“Web 2008”** (identifier: `alexa_web_2008`) and associated collection metadata.