Last updated11 Apr 2026, 3:22 pm SGT
Want your model featured? Contact us
Deep ResearchArena
Battle replay

GPT-5.1 vs Claude Opus 4.1

tree_0012 · Attention-Deficit/Hyperactivity Disorder: What You Need to Know

GPT-5.1 · Better
NONE
2
Rounds
2 - 0
Final Score
182,866
Tokens
$1.83
Cost
Round 4
Mode
← Back to battles·View source page·round4/R4_M1_gpt-5.1-search_vs_claude-opus-4-1-search_tree_0012.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 2

Round Context

Depth 2Width 2Pressure test
Logic Chain
Root

Attention-Deficit/Hyperactivity Disorder: What You Need to Know

Step 2

Health Topics

Question

In the context of U.S. federal education rights for students with Attention-Deficit/Hyperactivity Disorder (ADHD), identify the primary statute that mandates the provision of 'special education and related services' through an individualized plan, distinct from civil rights laws that solely prevent discrimination. According to this specific act, under which official disability category are students with ADHD most frequently classified to receive services, and what is the full name of the legal document that must be developed to outline their educational goals?

Answer length: 200-300 words.

Show hidden checklists
Depth checklist
  • Target Entity: Individuals with Disabilities Education Act (IDEA)
  • Logic Proof: Identification of the law based on the mandate for 'special education' and 'individualized plans' (distinguishing it from Section 504).
Width checklist
  • Eligibility Category: Other Health Impairment (OHI)
  • Required Document: Individualized Education Program (IEP)
Examiner rationale

The question uses deep reasoning to filter for the specific law (IDEA) by describing its unique function (special education/active services) compared to other disability laws. It then applies wide aggregation by requiring the retrieval of specific implementation details (the OHI category and IEP document) relevant to the domain of ADHD, which requires synthesizing information about the law's application.

Judgment

Better
NONE
Score 1 - 0

Both agents provided accurate, comprehensive answers that satisfied all aspects of the ground truth (IDEA, OHI, IEP). However, Agent A provided a superior user experience through better formatting. Agent A used **bold text** to highlight the specific answers requested by the user, making the response instantly scannable. Agent A also integrated the distinction between IDEA and civil rights laws immediately in the first paragraph, whereas Agent B relegated this context to the end. Agent B's lack of formatting highlights makes it harder to quickly extract the key terms.

Evolution step
Determining Next Step...
WINNER is A. Targeting Loser Failure: NONE.
Action: Pressure Test (Deep+1 & Wide+1)
No valid children. Expanding Depth...
--- [EXPANSION] Triggering Auto-Expansion: insufficient_depth (Need +1) ---
[EXPANSION] Successfully added 1040 nodes.
Stuck at leaf. Cannot descend.

GPT-5.1

OpenAI

11.2s
The primary federal statute that mandates provision of “special education and related services” through an individualized plan is the **Individuals with Disabilities Education Act (IDEA)**, most recently reauthorized as the Individuals with Disabilities Education Improvement Act of 2004.[1][2] Unlike Section 504 of the Rehabilitation Act or the Americans with Disabilities Act (ADA), which are primarily anti-discrimination civil rights laws, IDEA is an education entitlement law: it requires eligible children with disabilities to receive a free appropriate public education (FAPE) via specially designed instruction and related services.[1] Under IDEA’s eligibility categories, students with Attention-Deficit/Hyperactivity Disorder (ADHD) are most often served under the category of **“Other Health Impairment” (OHI)**.[1][3] The statute and regulations define “other health impairment” to include conditions that result in limited alertness due to chronic or acute health problems—explicitly naming ADHD as an example—when these adversely affect educational performance and require special education and related services.[2][3] The formal legal document that must be developed for each eligible student under IDEA is the **Individualized Education Program (IEP)**.[1][2] The IEP is a written plan created by a legally required team (including parents) that specifies the child’s present levels of academic and functional performance, measurable annual goals, special education and related services, accommodations, and how progress will be measured.[2] ## References [1] U.S. Department of Education, “A Guide to the Individualized Education Program,” and IDEA overview pages. [2] 20 U.S.C. § 1400 et seq.; 34 C.F.R. Part 300 (IDEA regulations, definition of OHI and IEP requirements). [3] U.S. Department of Education, Office for Civil Rights & OSERS, “Students with ADHD and Section 504: A Resource Guide” (discussion of IDEA/OHI classification).

Claude Opus 4.1

Anthropic

16.4s
The primary federal statute mandating special education and related services for students with ADHD is the Individuals with Disabilities Education Act (IDEA), originally enacted in 1975 as the Education for All Handicapped Children Act and reauthorized multiple times, most recently in 2004 as the Individuals with Disabilities Education Improvement Act. Under IDEA, students with ADHD are most frequently classified under the disability category "Other Health Impairment" (OHI) to receive special education services. The IDEA regulations specifically define OHI as having "limited strength, vitality, or alertness, including a heightened alertness to environmental stimuli, that results in limited alertness with respect to the educational environment" due to chronic or acute health problems, with ADHD explicitly listed as a qualifying condition [1][2]. The legal document that must be developed to outline educational goals for qualifying students is the Individualized Education Program (IEP). The IEP is a comprehensive written statement developed by a multidisciplinary team including parents, teachers, special education professionals, and when appropriate, the student. This legally binding document details the student's present levels of academic achievement and functional performance, establishes measurable annual goals, specifies the special education and related services to be provided, and outlines how progress will be measured [3][4]. It's important to note that IDEA differs from Section 504 of the Rehabilitation Act of 1973, which is a civil rights law preventing discrimination but doesn't require the comprehensive special education services and IEP development mandated by IDEA. While both laws can serve students with ADHD, IDEA provides more extensive educational support through the IEP process [5]. ## References [1] U.S. Department of Education. (2022). IDEA Section 300.8 Child with a disability. https://sites.ed.gov/idea/regs/b/a/300.8 [2] Centers for Disease Control and Prevention. (2024). Educational Services for Children with ADHD. https://www.cdc.gov/adhd/treatment/school-treatment.html [3] U.S. Department of Education. (2017). A Guide to the Individualized Education Program. https://www2.ed.gov/parents/needs/speced/iepguide/index.html [4] Understood.org. (2024). What is an IEP? https://www.understood.org/articles/what-is-iep [5] U.S. Department of Education Office for Civil Rights. (2020). Protecting Students with Disabilities. https://www2.ed.gov/about/offices/list/ocr/504faq.html