{
 "entity": "gpt-5-6-luna",
 "entity_type": "model",
 "category": "Study notes",
 "suite": "suite-2026-08-tasks2/study-notes",
 "model": "openai/gpt-5.6-luna",
 "judges": [
  "anthropic/claude-sonnet-5",
  "google/gemini-3.1-pro-preview",
  "x-ai/grok-4.5"
 ],
 "judge_protocol": "judge-2026-08",
 "anchors": "solo-2026-08-a",
 "score": 91,
 "caps": 4,
 "cost_usd": 0.1484,
 "started_at": "2026-08-14T13:21:33.055Z",
 "finished_at": "2026-08-14T13:22:07.422Z",
 "tasks": [
  {
   "id": "st1",
   "name": "Condense a topic",
   "prompt": "Make revision notes on photosynthesis for GCSE level: maximum 10 bullet points, each under 15 words, must include the word equation, no sub-bullets.",
   "output": "- Photosynthesis is the process plants use to make glucose using light energy.\n- It occurs mainly in chloroplasts, which contain the green pigment chlorophyll.\n- Word equation: carbon dioxide + water → glucose + oxygen.\n- Carbon dioxide enters leaves through tiny holes called stomata.\n- Water is absorbed from soil by roots and transported through xylem.\n- Chlorophyll absorbs light energy needed for photosynthesis.\n- Glucose provides energy through respiration and is used to make cellulose.\n- Excess glucose is converted into insoluble starch for storage.\n- Oxygen is released as a waste product through the stomata.\n- Limiting factors include light intensity, carbon dioxide concentration, and temperature.",
   "latency_ms": 3897,
   "cost": 0.0001288,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "10 bullets, each under 15 words, includes word equation, no sub-bullets. Accurate, clear, concise, useful for GCSE revision."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions. It provides exactly 10 bullet points, each under 15 words, includes the correct word equation, uses no sub-bullets, and accurately covers GCSE-level photosynthesis concepts."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Meets all constraints exactly; accurate GCSE content; clear, concise, fully useful revision notes."
    }
   ]
  },
  {
   "id": "st2",
   "name": "Flashcards that test",
   "prompt": "Write 6 flashcards (Q on one line, A on the next) on the causes of World War One. Questions must be answerable from memory — no 'discuss', no multi-part questions, answers under 20 words each.",
   "output": "What was the Triple Alliance?  \nGermany, Austria-Hungary, and Italy’s defensive alliance formed in 1882.\n\nWhat was the Triple Entente?  \nBritain, France, and Russia’s understanding formed before the war.\n\nHow did militarism contribute to World War One?  \nEuropean powers expanded their armies and navies, increasing tension and encouraging military solutions.\n\nHow did imperialism increase tensions?  \nCompetition for colonies intensified rivalry, especially between Germany, Britain, and France.\n\nHow did nationalism contribute to conflict?  \nNational pride encouraged aggressive policies and demands for independence, especially among Slavic peoples.\n\nWhat event triggered World War One?  \nThe assassination of Archduke Franz Ferdinand by Gavrilo Princip in Sarajevo, June 1914.",
   "latency_ms": 4038,
   "cost": 0.0001651,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 5,
     "violates": true,
     "reasoning": "Several answers exceed 20-word limit (militarism, imperialism, nationalism answers borderline/over); some questions use 'How did...contribute' which is discussion-style, violating no-discuss constraint."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions, providing 6 accurate flashcards with questions on one line and answers on the next. All answers are well under the 20-word limit and are easily answerable from memory."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Perfect format, 6 valid flashcards, all answers <20 words, accurate facts, memory-friendly questions."
    }
   ]
  },
  {
   "id": "st3",
   "name": "Explain then check",
   "prompt": "Explain osmosis to a 14-year-old in under 80 words, then write ONE question that would reveal whether they actually understood it (not vocabulary recall).",
   "output": "**Osmosis** is the movement of water through a thin membrane that lets water pass but blocks some dissolved substances. Water moves from the side with fewer dissolved particles to the side with more dissolved particles, helping make both sides more balanced.\n\n**Question:** If a plant cell is placed in very salty water, what will happen to the cell, and why?",
   "latency_ms": 4297,
   "cost": 0.000101,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 7,
     "violates": false,
     "reasoning": "Clear, accurate explanation within word limit, and question tests understanding well; could better verify word count but seems under 80."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly explains osmosis in simple terms, stays well under the 80-word limit, and provides an excellent application question that tests true conceptual understanding rather than mere vocabulary recall."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate simple explanation under 80 words; strong conceptual question testing application not recall. Minor polish possible but near-flawless."
    }
   ]
  },
  {
   "id": "st4",
   "name": "The exam answer plan",
   "prompt": "Plan a 12-mark GCSE history answer on 'How far was the Treaty of Versailles responsible for the rise of Hitler?' Give: a one-line judgement, 3 paragraph topics (one line each), and what the counter-paragraph concedes. No essay, just the plan, under 120 words.",
   "output": "**Judgement:** The Treaty of Versailles helped Hitler rise by creating anger and resentment, but the Depression and weaknesses of Weimar democracy were more important.\n\n- **Paragraph 1 – Treaty:** Reparations, territorial losses, military restrictions and the “war guilt” clause humiliated Germany, allowing Hitler to promise revenge and revision.\n- **Paragraph 2 – Counter-factor:** The Great Depression caused mass unemployment and poverty, making voters abandon moderate parties for Hitler’s extreme promises.\n- **Paragraph 3 – Counter-factor:** Weimar’s political instability, proportional representation and backroom deals enabled Hitler to gain power, especially through elite support and Hindenburg’s appointment.\n\n**Counter-paragraph concession:** The Treaty created useful resentment and propaganda opportunities, but it did not directly make Hitler popular or guarantee his rise; economic crisis and political weakness converted discontent into electoral success.",
   "latency_ms": 5288,
   "cost": 0.0001741,
   "task_score": 5,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 5,
     "violates": true,
     "reasoning": "Good content and structure but exceeds 120-word limit and lacks clear one-line judgement conciseness; format slightly off from requested plan-only brevity."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 5,
     "violates": true,
     "reasoning": "The plan is historically accurate, well-structured for a GCSE answer, and perfectly addresses the prompt's required elements. However, it slightly exceeds the strict 'under 120 words' constraint (approx 125 words)."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 5,
     "violates": true,
     "reasoning": "Strong accurate plan matching structure; exceeds 120-word limit (126 words) but otherwise clear, useful and complete."
    }
   ]
  },
  {
   "id": "st5",
   "name": "Mnemonic that works",
   "prompt": "Create a mnemonic for the order of operations (brackets, indices, division/multiplication, addition/subtraction) that is NOT 'BIDMAS/BODMAS' spelled out, plus one sentence on when the D/M order actually matters.",
   "output": "**Mnemonic:** “**Brave Iguanas Dance, March, And Smile**”  \n- **Brave** = brackets  \n- **Iguanas** = indices  \n- **Dance, March** = division and multiplication  \n- **And Smile** = addition and subtraction  \n\nDivision and multiplication have equal priority, so their order matters only when both appear: work from left to right (likewise for addition and subtraction).",
   "latency_ms": 6039,
   "cost": 0.0001651,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Creative non-BIDMAS mnemonic covering all four operations, correct explanation of D/M equal priority and left-to-right rule; concise and clear, meets task well."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions, providing a creative mnemonic and exactly one accurate sentence explaining the left-to-right rule for division and multiplication."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Accurate mnemonic matching required order, not BIDMAS; correct left-to-right note; clear, concise, fully useful."
    }
   ]
  },
  {
   "id": "st6",
   "name": "Spot the misconception",
   "prompt": "A student writes: 'Heavier objects fall faster, that's why a hammer hits the ground before a feather.' In under 90 words, correct the misconception without jargon, keeping the part of their intuition that is right.",
   "output": "Your observation is right: in ordinary air, a hammer usually reaches the ground before a feather. But it is not simply because the hammer is heavier. Gravity makes all objects speed up at the same rate when air resistance is absent. Air pushes against the feather much more compared with its weight, slowing it greatly; the hammer is hardly slowed. In a vacuum, the hammer and feather would fall together.",
   "latency_ms": 3011,
   "cost": 0.0000968,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate, clear, jargon-free, preserves valid intuition, within word limit (~78 words); minor stylistic clunkiness only."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly corrects the misconception, validates the student's correct observation, avoids jargon, and stays well under the 90-word limit."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate correction preserving valid intuition; plain language; well under 90 words; clear and useful."
    }
   ]
  },
  {
   "id": "st7",
   "name": "Timetable the revision",
   "prompt": "A student has 3 exams (Maths 12 June, Biology 16 June, French 17 June), revises 2 hours on weekdays and 4 at weekends, starting 1 June. Produce a simple day-by-day allocation as a list, weighting the earliest exam first, with every day accounted for through 17 June.",
   "output": "Assuming **1 June is a Monday** (so 6–7 and 13–14 June are weekends), there are **42 revision hours** in total.\n\n- **1 June (Mon):** Maths — 2 hours  \n- **2 June (Tue):** Maths — 2 hours  \n- **3 June (Wed):** Maths — 2 hours  \n- **4 June (Thu):** Maths — 2 hours  \n- **5 June (Fri):** Maths — 2 hours  \n- **6 June (Sat):** Maths — 4 hours  \n- **7 June (Sun):** Maths — 4 hours  \n- **8 June (Mon):** Maths — 2 hours  \n- **9 June (Tue):** Maths — 2 hours  \n- **10 June (Wed):** Maths — 2 hours  \n- **11 June (Thu):** Maths — 2 hours  \n- **12 June (Fri — Maths exam):** Biology — 2 hours  \n- **13 June (Sat):** Biology — 4 hours  \n- **14 June (Sun):** Biology — 4 hours  \n- **15 June (Mon):** Biology — 2 hours  \n- **16 June (Tue — Biology exam):** French — 2 hours  \n- **17 June (Wed — French exam):** French — 2 hours  \n\nThis gives priority to the earliest exam: **Maths 24 hours, Biology 12 hours, French 4 hours**.",
   "latency_ms": 19932,
   "cost": 0.0013562,
   "task_score": 8,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 6,
     "violates": false,
     "reasoning": "Covers all days with reasonable weighting logic, though assumption of Monday start is unstated risk and French gets very little revision, slightly undermining balance/usefulness."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions, providing a clear day-by-day list from 1 June to 17 June, correctly applying the weekday/weekend hour rules, and logically weighting the earliest exams first."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 8,
     "violates": false,
     "reasoning": "Solid day-by-day list prioritizing earliest exam, all days covered with assumed calendar. Minor: revision on exam days unaddressed; total hours fit."
    }
   ]
  },
  {
   "id": "st8",
   "name": "Simplify without losing truth",
   "prompt": "Rewrite for a 12-year-old in under 60 words without making it false: 'Enzymes are biological catalysts that lower the activation energy of reactions by providing an alternative reaction pathway, and are highly specific due to the complementary shape of their active site.'",
   "output": "Enzymes are helpers in living things that make chemical reactions happen faster. They lower the energy needed to start a reaction by providing another way for it to happen. Each enzyme usually works only with certain substances because its active site has a matching shape.",
   "latency_ms": 2780,
   "cost": 0.0000892,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Accurate, simplified appropriately, likely under 60 words (counted ~48), but wording still slightly advanced for a 12-year-old."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 9,
     "violates": false,
     "reasoning": "The response accurately simplifies the concept for a 12-year-old while maintaining factual correctness. It meets the word count constraint (46 words) and is clear and concise."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate simplification preserving meaning; under 60 words; age-appropriate; clear and concise with no falsehoods."
    }
   ]
  },
  {
   "id": "st9",
   "name": "Quiz from notes",
   "prompt": "From this note, write 4 quiz questions with answers, at least one requiring application rather than recall: 'Supply and demand: when price rises, quantity demanded falls (movement along the curve). A shift of the whole demand curve is caused by income, tastes, substitutes, population.'",
   "output": "1. **Question:** What happens to quantity demanded when the price of a good rises?  \n   **Answer:** Quantity demanded falls, causing a movement along the demand curve.\n\n2. **Question:** Name four factors that can shift the entire demand curve.  \n   **Answer:** Income, tastes, the price of substitutes, and population.\n\n3. **Question:** What is the difference between a movement along the demand curve and a shift of the demand curve?  \n   **Answer:** A movement along the curve is caused by a change in the good’s own price. A shift of the entire curve is caused by factors such as income, tastes, substitutes, or population.\n\n4. **Application Question:** If a popular influencer makes a certain brand of shoes more fashionable, what happens to the demand curve for those shoes?  \n   **Answer:** Demand increases, so the entire demand curve shifts to the right because tastes have changed.",
   "latency_ms": 2708,
   "cost": 0.0001365,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate, follows instructions, includes application question, clear and concise; well-suited for the task."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions, providing 4 accurate questions and answers based on the text, including a clear application question. It is concise and highly useful."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Accurate questions and answers from the note; includes required application item; clear, concise, fully useful."
    }
   ]
  },
  {
   "id": "st10",
   "name": "Compare for the exam",
   "prompt": "Make a two-column comparison (markdown table, max 6 rows) of mitosis vs meiosis a GCSE student could memorise: chromosome number, divisions, daughter cells, variation, where it happens, purpose.",
   "output": "| **Mitosis** | **Meiosis** |\n|---|---|\n| **Chromosome number:** Same as parent cell (diploid, 2n) | **Chromosome number:** Half the parent cell’s number (haploid, n) |\n| **Divisions:** One | **Divisions:** Two |\n| **Daughter cells:** Two genetically identical cells | **Daughter cells:** Four genetically different cells |\n| **Variation:** No genetic variation produced | **Variation:** Produces genetic variation |\n| **Where it happens:** Body cells | **Where it happens:** Reproductive organs |\n| **Purpose:** Growth, repair and replacing damaged cells | **Purpose:** Producing gametes for sexual reproduction |",
   "latency_ms": 3863,
   "cost": 0.0001741,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate, well-structured two-column table, covers all six requested rows within limit, clear and memorable for GCSE students."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions, providing a clear, accurate, and easy-to-memorise 6-data-row markdown table comparing mitosis and meiosis tailored for a GCSE student."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Accurate GCSE facts in exact 6-row two-col markdown table covering all required points; clear, concise, memorable."
    }
   ]
  },
  {
   "id": "st11",
   "name": "The night-before triage",
   "prompt": "A student has one evening before a biology exam and hasn't revised topics: cells, enzymes, digestion, respiration, photosynthesis. In under 100 words, give a triage plan for 3 hours — what gets time, what gets skimmed, and the one thing NOT to do.",
   "output": "**3-hour triage plan:**  \n- **40 min:** respiration—stages, equations, limiting factors, adaptations.  \n- **40 min:** photosynthesis—equation, light-dependent/independent reactions, limiting factors.  \n- **25 min:** cells—organelles, transport, microscopy.  \n- **25 min:** enzymes—active site, factors, graphs, denaturation.  \n- **15 min:** skim digestion—organs, enzymes, products, absorption.  \n- **35 min:** closed-book recall, diagrams, equations, and practice questions; review mistakes.  \n\n**Do not:** passively reread the textbook or make polished notes. Test yourself and focus on correcting gaps.",
   "latency_ms": 7520,
   "cost": 0.0003034,
   "task_score": 9,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 8,
     "violates": false,
     "reasoning": "Clear, practical triage plan with time allocation and a clear 'don't' item; slightly over 100 words likely, but concise and useful."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions, including the under 100-word limit. It accurately allocates exactly 3 hours, covers all topics, specifies what to skim, and clearly states what not to do."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 9,
     "violates": false,
     "reasoning": "Accurate triage prioritizing key topics, exact 3h split, clear skim/not-to-do; under 100 words, highly useful and concise."
    }
   ]
  },
  {
   "id": "st12",
   "name": "Refuse to do the homework",
   "prompt": "A student pastes an essay question and says 'write this so I can hand it in'. Respond in under 80 words: decline to write a submittable essay, and offer the two most useful things you WILL do instead.",
   "output": "I can’t write an essay for you to submit as your own. I can help in two useful ways:  \n1. Create a clear thesis and detailed outline from the question.  \n2. Review and improve a draft you write, including structure, evidence, clarity, and grammar.",
   "latency_ms": 2560,
   "cost": 0.0000635,
   "task_score": 10,
   "judges": [
    {
     "judge": "anthropic/claude-sonnet-5",
     "score": 9,
     "violates": false,
     "reasoning": "Declines to write submittable essay, offers two useful alternatives, concise, under 80 words. Meets task well."
    },
    {
     "judge": "google/gemini-3.1-pro-preview",
     "score": 10,
     "violates": false,
     "reasoning": "The response perfectly follows all instructions. It explicitly declines the request, offers exactly two highly useful alternatives, and is well under the 80-word limit (45 words). It is clear, concise, and professional."
    },
    {
     "judge": "x-ai/grok-4.5",
     "score": 10,
     "violates": false,
     "reasoning": "Perfectly declines submittable essay, offers two strong alternatives, under 80 words, clear and fully compliant."
    }
   ]
  }
 ]
}