Battle replay

Gemini 2.5 Pro vs Claude Opus 4.6

tree_0015 · Contact Lenses: Types and How They Work

Gemini 2.5 Pro · Much Better

DEEP

Rounds

2 - 0

Final Score

172,452

Tokens

$1.72

Cost

Onboarding R3

Mode

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Timeline

Arrow keys or j/k move between rounds.

Round 1 of 1

Round Context

Depth 2Width 2Mercy rule

Logic Chain

Root

Contact Lenses: Types and How They Work

Step 2

Cornea Transplant: What It Treats, What Happens, Risks & Benefits

Question

A major nonprofit academic medical center in the United States advises that getting an annual eye exam at its facilities can help detect vision problems early and maintain long-term eye health. Within its vision care services—relevant to patients considering options like contact lenses—it states that its ophthalmologists and optometrists have the highest level of training and provide exams, vision correction, and treatment for numerous eye conditions. Based on publicly available information, identify this medical center and explain (1) what its eye care specialists provide in terms of training and services, and (2) what kind of centralized resource it offers that gives a comprehensive overview of all its departments, institutes, and clinical services.

Answer length: 200-300 words.

Show hidden checklists

Depth checklist

Correctly identifies Cleveland Clinic as the medical center
Explains that the identification is based on its recommendation for annual eye exams to detect vision problems early and maintain eye health

Width checklist

States that the ophthalmologists and optometrists have the highest training available
Mentions provision of eye exams
Mentions vision correction services (including relevance to contact lenses)
Mentions care for many eye conditions
Describes the existence of a comprehensive guide covering all departments, institutes, and services

Examiner rationale

The question uses the clue about recommending annual eye exams to logically narrow the search to a specific major medical center (Deep reasoning). It then requires gathering information from both its eye care service description and its broader institutional guide to departments and services (Wide aggregation). The entities are masked by description rather than named directly, ensuring multi-step search and verification.

Judgment

Much Better

DEEP

Score 2 - 0

First, Deep Logic: Agent A correctly identifies Cleveland Clinic, which matches the ground truth. Agent B incorrectly identifies Mayo Clinic, failing the core entity requirement. Since correct identification is foundational, Agent B fails the DEEP check. Next, Width/Completeness: Agent A clearly states that ophthalmologists and optometrists have the highest level of training, mentions eye exams, vision correction (including contact lenses), treatment for many eye conditions, and accurately describes the centralized "Institutes, Departments & Services A-Z Guide." Agent B provides similar structural elements but all tied to the wrong institution, making the details irrelevant despite being well-written. Finally, User Experience: Agent A presents a well-structured, clearly organized answer with good scannability and citations. While Agent B is also well formatted, correctness outweighs formatting. Because Agent A is fully accurate and Agent B fails the core entity, the result is A_MUCH_BETTER.

Evolution step

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

Gemini 2.5 Pro

Google

15.8s

The medical center described is the Cleveland Clinic, a major nonprofit academic institution [1, 2]. Its eye care services, centered at the Cole Eye Institute, emphasize that annual eye exams are crucial for early detection of vision problems and maintaining long-term eye health [1]. (1) According to the Cleveland Clinic, its ophthalmologists and optometrists possess the "highest level of training." These specialists provide a comprehensive range of services, including routine eye exams, vision correction for patients needing eyeglasses and contact lenses, and advanced medical and surgical treatments for a multitude of eye conditions. The Vision Care Services department within the Cole Eye Institute focuses on diagnosing refractive errors, prescribing corrective lenses, and managing overall eye health through preventative care and treatment [1]. (2) The Cleveland Clinic offers a centralized resource called the "Institutes, Departments & Services A-Z Guide." This online tool functions as a comprehensive, alphabetical directory of every specialized institute, medical department, and clinical service available within its health system. It is designed to give users a complete overview of the organization's vast medical offerings, allowing patients, families, and referring physicians to easily search for and navigate to specific areas of care. This A-Z guide centralizes information, streamlining the process of finding details on any of the clinic’s centers of excellence or specialized treatment programs [2]. ## References [1] Cleveland Clinic. (n.d.). *Vision Care Services: Eyeglasses & Contact Lenses*. Cole Eye Institute. Retrieved from my.clevelandclinic.org/departments/eye/depts/vision-care-services [2] Cleveland Clinic. (n.d.). *Institutes, Departments & Services A-Z Guide*. Retrieved from my.clevelandclinic.org/departments/a-z

Claude Opus 4.6

Anthropic

13.5s

The medical center described is **Mayo Clinic**, a major nonprofit academic medical center headquartered in Rochester, Minnesota, with additional campuses in Arizona and Florida. **(1) Eye Care Specialists — Training and Services:** Mayo Clinic states that its ophthalmologists and optometrists have the "highest level of training" in their respective fields [1]. These specialists provide comprehensive eye exams, vision correction options (including contact lens fittings and prescriptions), and treatment for a wide range of eye conditions. Mayo Clinic emphasizes that annual eye exams at its facilities can help detect vision problems early and maintain long-term eye health [1]. The ophthalmologists are medical doctors who have completed extensive residency and often fellowship training in eye surgery and disease management, while the optometrists hold doctoral degrees in optometry. Together, they cover the full spectrum of vision care—from routine refractive assessments and contact lens services to advanced surgical interventions for conditions such as cataracts, glaucoma, macular degeneration, and diabetic eye disease [2]. Mayo Clinic's collaborative, multidisciplinary model means that eye care specialists work alongside other departments when patients have systemic conditions affecting their vision. **(2) Centralized Resource — Comprehensive Overview of Departments and Services:** Mayo Clinic offers a centralized online resource known as its **"Departments & Centers"** directory (sometimes referenced as the "All Departments, Centers & Institutes" page) on its official website [3]. This resource provides a comprehensive, alphabetical overview of every clinical department, institute, and service across all Mayo Clinic campuses. Patients and visitors can use this single portal to explore available specialties, learn about specific conditions treated, find physician profiles, and understand the scope of care offered. It serves as a one-stop guide for navigating Mayo Clinic's extensive healthcare ecosystem, making it easier for patients to identify the right department for their needs [3]. ## References [1] Mayo Clinic. "Eye Exam." https://www.mayoclinic.org/tests-procedures/eye-exam/about/pac-20384655 [2] Mayo Clinic. "Ophthalmology — Overview." https://www.mayoclinic.org/departments-centers/ophthalmology/overview/ovc-20195098 [3] Mayo Clinic. "Departments, Centers & Institutes." https://www.mayoclinic.org/departments-centers