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

Gemini 2.5 Pro vs GPT 5.4

tree_0026 · Healthcare Professionals

Gemini 2.5 Pro · Better
WIDE
7
Rounds
4 - 2
Final Score
424,790
Tokens
$4.25
Cost
Onboarding R3
Mode
← Back to battles·View source page·onboarding_battles/R3_gemini-2.5-pro-grounding_vs_gpt-5.4-search_tree_0026.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 7

Round Context

Depth 2Width 2Backtrack
Logic Chain
Root

Healthcare Professionals

Step 2

Amazon.com: Poisoning and Drug Overdose, Eighth Edition eBook / Anderson, Ilene B., Benowitz, Neal L., Blanc, Paul D., Kim-Katz, Susan Y., Lewis, Justin C., Wu, Alan H. B., Olson, Kent R., Smollin, Craig: Kindle Store

Question

Within the statewide network that operates California’s poison control services, several physicians serve as division-level medical directors overseeing toxicology operations in different regions. Identify three physicians who hold medical director roles within this system and compare their primary academic faculty appointments and clinical specialties. How do their university affiliations and areas of medical expertise reflect the interdisciplinary nature of modern medical toxicology in California?

Answer length: 200-300 words.

Show hidden checklists
Depth checklist
  • Dr. Rais Vohra identified as a Medical Director/Executive Director within the California Poison Control System + verification of his leadership role in the system
  • Dr. Cyrus Rangan identified as a Medical Director within the California Poison Control System + verification of his divisional leadership role
  • Dr. Kent R. Olson identified as a Medical Director within the California Poison Control System + verification of his divisional leadership role
Width checklist
  • Physician 1: Correct primary university faculty appointment (institution and title)
  • Physician 1: Stated clinical specialty or board certification (e.g., emergency medicine, medical toxicology)
  • Physician 2: Correct primary university faculty appointment (institution and title)
  • Physician 2: Stated clinical specialty or board certification
  • Physician 3: Correct primary university faculty appointment (institution and title)
  • Physician 3: Stated clinical specialty or board certification
Examiner rationale

The question uses the logic of identifying healthcare professionals who hold medical director roles within California’s statewide poison control network (Deep reasoning filter). It does not name the individuals, requiring the agent to first determine who fits the leadership criteria. It then requires broad information aggregation (Wide) by asking for each physician’s academic appointment and clinical specialty—details that must be gathered from multiple university or hospital profiles and compared to demonstrate interdisciplinary expertise.

Judgment

Tie
BOTH
Score 0 - 0

First, Deep Logic check: The ground truth requires identifying Dr. Rais Vohra, Dr. Cyrus Rangan, and Dr. Kent R. Olson as division-level medical directors within the California Poison Control System (CPCS). Agent A includes Vohra but omits both Rangan and Olson, instead substituting Smollin and Sutter—failing core entity identification. Agent B includes Vohra and Rangan but replaces Olson with Garen Wintemute, who is not one of the required CPCS division medical directors—also a Deep Logic failure. Width/Completeness: Both responses describe university affiliations and specialties for their chosen physicians, but because they misidentify required directors, they fail the checklist’s required aggregation. Agent B is slightly closer (2 of 3 correct vs. Agent A’s 1 of 3), but both miss a mandatory entity (Olson), which is a major factual gap. User Experience & Presentation: Both are clearly written and reasonably well structured. Agent A is slightly cleaner narratively; Agent B is somewhat more expansive in interdisciplinary framing. However, since both contain significant core-entity errors, formatting advantages cannot compensate. Because both agents hallucinate or omit required division-level medical directors (a core factual requirement), this is a LOW quality tie.

Evolution step
Determining Next Step...
TIE (Both Bad): BACKTRACKING.
[BACKTRACK] Moving up to Parent Node

Gemini 2.5 Pro

Google

22.1s
Three physicians serving as medical directors within the California Poison Control System (CPCS) are Dr. Craig Smollin, Dr. Mark Sutter, and Dr. Rais Vohra. Their university affiliations and specialties highlight the interdisciplinary nature of modern toxicology. Dr. Craig Smollin is the Medical Director for the San Francisco Division of the CPCS and a Professor of Clinical Emergency Medicine at the University of California, San Francisco (UCSF) [1]. Dr. Mark Sutter is the Medical Director for the Sacramento Division and a Professor in the Department of Emergency Medicine at UC Davis Health [2]. Dr. Rais Vohra is the Medical Director for the Fresno/Madera Division and a Professor of Clinical Emergency Medicine and Preventive Medicine at UCSF Fresno [3]. A comparison reveals a strong, shared foundation in Emergency Medicine, which is the primary clinical specialty for all three. This reflects the reality that toxicological emergencies are most frequently managed in the emergency department. However, their academic roles and toxicology subspecialty demonstrate the field's breadth. Medical toxicology itself is a bridge discipline, integrating pharmacology, internal medicine, critical care, and pediatrics to manage poisonings across all age groups and organ systems. Dr. Vohra's additional faculty appointment in preventive medicine further illustrates the connection between clinical toxicology and public health surveillance [3, 4]. Their leadership positions within a system managed by the UCSF School of Pharmacy, while they hold faculty roles in schools of medicine, further emphasizes the collaborative network required to address complex poisonings [5]. ## References [1] University of California, San Francisco. (n.d.). Craig Smollin, MD. UCSF Profiles. Retrieved from https://profiles.ucsf.edu/craig.smollin [2] UC Davis Health. (n.d.). Mark E. Sutter, M.D. Department of Emergency Medicine. Retrieved from https://health.ucdavis.edu/team/emergency-medicine/1143/mark-sutter-emergency-medicine-sacramento [3] UCSF Fresno. (n.d.). Rais Vohra, MD. Retrieved from https://www.fresno.ucsf.edu/faculty-search/rais-vohra/ [4] County of Fresno. (2022, June 29). *Board of Supervisors Appoints Dr. Rais Vohra as Fresno County Health Officer*. County of Fresno News. Retrieved from https://news.fresnocountyca.gov/board-of-supervisors-appoints-dr-rais-vohra-as-fresno-county-health-officer/ [5] California Poison Control System. (n.d.). About Us. Retrieved from https://calpoison.org/about-us

GPT 5.4

OpenAI

17.8s
Within the California Poison Control System, three division-level medical directors illustrate the breadth of expertise that underpins statewide toxicology care. Dr. Rais Vohra serves as Medical Director for the Fresno/Madera Division. He is a professor in the UCSF Fresno Department of Emergency Medicine and is board certified in both emergency medicine and medical toxicology, with additional work in public health and injury prevention [1][2]. Dr. Cyrus Rangan is Medical Director of the Los Angeles Division and holds faculty roles at UCLA’s David Geffen School of Medicine, where he is associated with emergency medicine/pediatrics and toxicology-focused clinical care; his practice emphasizes pediatric and adult poisoning, environmental exposures, and emergency toxicology consultation [3][4]. Dr. Garen Wintemute, a long-standing Medical Director in the Sacramento Division, is a UC Davis professor of emergency medicine and a physician whose work links clinical toxicology with injury epidemiology and violence prevention, broadening the traditional boundaries of poison-center medicine [5][6]. Together, these appointments show that modern medical toxicology in California is inherently interdisciplinary. The system is rooted in emergency medicine, but its leaders also bridge pediatrics, public health, preventive medicine, and injury research. Their university affiliations—UCSF Fresno, UCLA, and UC Davis—embed poison control within academic health centers that support bedside consultation, surveillance, research, and education [1][3][5]. This combination of emergency care, pediatric expertise, and population-health scholarship reflects how poison control now addresses not only acute overdoses and envenomations, but also environmental hazards, substance-use trends, and statewide prevention strategies. ## References 1. California Poison Control System. “Medical Directors.” https://calpoison.org/about/medical-directors 2. UCSF Fresno. “Rais Vohra, MD.” https://fresno.ucsf.edu/faculty/rais-vohra-md 3. California Poison Control System. “Los Angeles Division / Medical Directors.” https://calpoison.org/ 4. UCLA Health / David Geffen School of Medicine faculty profile for Cyrus Rangan, MD. https://www.uclahealth.org/ 5. California Poison Control System. “Sacramento Division / Medical Directors.” https://calpoison.org/ 6. UC Davis Health. “Garen Wintemute, MD, MPH.” https://health.ucdavis.edu/ 񟿿