{ "entity": "deepseek-v4-flash", "entity_type": "model", "category": "Study notes", "suite": "suite-2026-08-tasks2/study-notes", "model": "deepseek/deepseek-v4-flash", "judges": [ "anthropic/claude-sonnet-5", "google/gemini-3.1-pro-preview", "openai/gpt-5.6-terra" ], "judge_protocol": "judge-2026-08", "anchors": "solo-2026-08-a", "score": 83, "caps": 2, "cost_usd": 0.1207, "started_at": "2026-08-14T13:14:47.621Z", "finished_at": "2026-08-14T13:18:02.606Z", "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 converts light energy into chemical energy in chloroplasts.\n- Requires carbon dioxide, water, and sunlight; produces glucose and oxygen.\n- Word equation: carbon dioxide + water → glucose + oxygen (light & chlorophyll).\n- Chlorophyll absorbs light energy to drive the reaction.\n- Rate increases with light intensity until another factor becomes limiting.\n- Higher CO₂ concentration raises photosynthesis rate up to a limit.\n- Optimum temperature around 25-30°C; too high denatures enzymes.\n- Glucose is used for respiration, stored as starch, or made into cellulose.\n- Photosynthesis releases oxygen, vital for animal respiration.\n- Plants are producers, forming the base of most food chains.", "latency_ms": 3656, "cost": 0.0000791, "task_score": 9, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 9, "violates": false, "reasoning": "Meets all constraints: 10 bullets, each under 15 words, includes word equation, no sub-bullets. Accurate and clear GCSE content." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, including the word equation, maximum 10 bullet points, no sub-bullets, and each bullet is well under the 15-word limit. The content is highly accurate and useful for GCSE revision." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Meets all format constraints and covers key GCSE content clearly. Minor issue: optimum temperature varies by plant species, so 25–30°C is overly specific." } ] }, { "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": "Q: What system of alliances divided Europe before WW1? \nA: Triple Entente vs Triple Alliance. \n\nQ: What event triggered the outbreak of WW1? \nA: Assassination of Archduke Franz Ferdinand. \n\nQ: What policy did Germany give Austria-Hungary after the assassination? \nA: Blank Check, promising unconditional support. \n\nQ: What is the belief that a nation should build up strong armed forces? \nA: Militarism. \n\nQ: What was the intense rivalry over colonies and global influence called? \nA: Imperialism. \n\nQ: What was Germany's war plan to avoid a two-front war? \nA: Schlieffen Plan, attacking France via Belgium.", "latency_ms": 8026, "cost": 0.000177401, "task_score": 10, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 8, "violates": false, "reasoning": "Accurate, concise, all answers under 20 words, single-part questions answerable from memory. Minor issue: some questions ask for definitions rather than causes directly, slight fit gap." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, providing 6 clear, concise flashcards with accurate information. Answers are well under the 20-word limit and easily answerable from memory." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Exactly six flashcards, each in the required Q/A format. All questions are memory-answerable, answers are under 20 words, and coverage accurately addresses major causes and the immediate trigger of WW1." } ] }, { "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 water moving through a thin barrier from where there’s more water (less salty) to where there’s less water (more salty). It happens naturally until both sides are balanced. That’s why a wilting plant perks up in water, and why salty snacks make you thirsty.\n\n**Question:** If you put a salty raisin in pure water, what would happen to the raisin’s size and the water around it—and why?", "latency_ms": 4116, "cost": 0.000032984, "task_score": 9, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 9, "violates": false, "reasoning": "Clear, accurate explanation under 80 words, followed by a well-crafted conceptual question testing understanding rather than recall." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly explains osmosis to a 14-year-old, stays well under the 80-word limit, and provides an excellent application-based question to test true understanding." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Clear, age-appropriate, and under 80 words. The question tests prediction and reasoning rather than recall. Minor simplification: osmosis reaches equilibrium in water potential, not necessarily equal saltiness or amounts." } ] }, { "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 was a key cause but not solely responsible; economic crisis and political instability were equally vital.\n\n**Paragraph topics:** \n1. Treaty’s terms – war guilt, reparations, territorial losses – fuelled nationalist anger and Hitler’s ‘stab-in-the-back’ myth. \n2. The Great Depression (1929) caused mass unemployment, making extremist promises appealing. \n3. Weimar’s weak coalitions and Article 48 enabled Hitler’s legal rise to power.\n\n**Counter-paragraph concedes:** Without Versailles, Hitler’s message lacked resonance, but the Treaty alone would not have brought him to power without the Depression and Weimar’s failures.", "latency_ms": 6949, "cost": 0.000066402, "task_score": 8, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 8, "violates": false, "reasoning": "Meets format, concise, accurate, under word limit likely; well-structured plan with judgement, topics, counter-paragraph as requested." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, providing a concise, accurate GCSE history plan with all required elements in under 120 words. The historical points are highly accurate and well-structured." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Clear, concise plan with all requested elements and accurate major factors. Minor factual imprecision: the stab-in-the-back myth originated in 1918 rather than being caused by Versailles, though the Treaty strengthened its appeal." } ] }, { "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": "Here’s a mnemonic for the order of operations: **Big Igloos Dance, Monkeys Always Slide**.\n\nAnd a sentence: The division/multiplication order only matters when both appear in the same expression without parentheses, in which case you must work strictly from left to right (e.g., in `12 ÷ 3 × 2`, dividing first gives `8`, but multiplying first would incorrectly yield `2`).", "latency_ms": 7556, "cost": 0.0000188223, "task_score": 10, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 8, "violates": false, "reasoning": "Creative mnemonic avoids BIDMAS/BODMAS spelling, explanation of D/M order is correct and clear; minor redundancy but 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 for BIDMAS and exactly one accurate, clear sentence explaining when the left-to-right rule for division and multiplication matters." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "It provides a clear alternative phrase mnemonic matching brackets, indices, division, multiplication, addition, subtraction, and accurately explains that division and multiplication share precedence and are evaluated left to right." } ] }, { "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": "You're right that a hammer and feather behave differently on Earth—but it's air resistance, not weight, that causes the difference. In a vacuum, where there's no air, both fall at exactly the same speed. Your intuition that heavier things can fall faster is partly correct: gravity pulls harder on them, but that's balanced by their greater inertia (resistance to motion). So without air, all objects accelerate equally. The feather floats because air pushes up on it, not because it's lighter.", "latency_ms": 2420, "cost": 0.00004942, "task_score": 7, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 7, "violates": false, "reasoning": "Accurate explanation, no jargon, under 90 words, preserves valid intuition. Slightly awkward inertia mention but overall correct and clear." }, { "judge": "google/gemini-3.1-pro-preview", "score": 8, "violates": false, "reasoning": "The response is accurate, under 90 words, and validates the student's intuition. It uses 'inertia' and 'vacuum', which are borderline jargon, but clearly defines them, making it highly accessible and effective." }, { "judge": "openai/gpt-5.6-terra", "score": 6, "violates": false, "reasoning": "Accurately identifies air resistance and correctly notes equal falling in a vacuum. However, “inertia” and “accelerate” are jargon despite brief explanation, and “air pushes up” oversimplifies the feather’s behavior. It remains clear and un" } ] }, { "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": "Here is a day-by-day study allocation from 1 June to 17 June, assuming 1 June is a Monday (so weekdays are Monday–Friday, weekends are Saturday–Sunday). The student studies 2 hours on weekdays and 4 hours on weekends. The earliest exam (Maths on 12 June) is prioritised first, then Biology (16 June), then French (17 June). On exam days, the student studies the next upcoming subject.\n\n- 1 June (Monday): 2 hours Maths \n- 2 June (Tuesday): 2 hours Maths \n- 3 June (Wednesday): 2 hours Maths \n- 4 June (Thursday): 2 hours Maths \n- 5 June (Friday): 2 hours Maths \n- 6 June (Saturday): 4 hours Maths \n- 7 June (Sunday): 4 hours Maths \n- 8 June (Monday): 2 hours Maths \n- 9 June (Tuesday): 2 hours Maths \n- 10 June (Wednesday): 2 hours Maths \n- 11 June (Thursday): 2 hours Maths \n- 12 June (Friday): 2 hours Biology (Maths exam day) \n- 13 June (Saturday): 4 hours Biology \n- 14 June (Sunday): 4 hours Biology \n- 15 June (Monday): 2 hours Biology \n- 16 June (Tuesday): 2 hours French (Biology exam day) \n- 17 June (Wednesday): 2 hours French (French exam day)", "latency_ms": 174613, "cost": 0.00094624054, "task_score": 7, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 6, "violates": false, "reasoning": "Reasonable allocation, covers all days, weights earliest exam first, but assumes arbitrary weekday alignment and heavily front-loads Maths, leaving French only 2 hours—suboptimal but meets basic requirements." }, { "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 with the correct hours based on assumed weekdays/weekends, and logically prioritizes the subjects according to the exam dates." }, { "judge": "openai/gpt-5.6-terra", "score": 7, "violates": false, "reasoning": "It accounts for every date and assigns the stated weekday/weekend hours under a clearly stated calendar assumption. However, French receives virtually no preparation before its exam, and studying on the French exam day is of limited practic" } ] }, { "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 tiny helpers in your body that speed up chemical reactions. They lower the energy needed to start a reaction by offering a different path. Each enzyme has a special shape that only fits certain molecules, like a lock and key.", "latency_ms": 10079, "cost": 0.00005303592, "task_score": 8, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 7, "violates": false, "reasoning": "Accurate, simple, clear, fits under 60 words (checked ~44 words), appropriate for a 12-year-old, retains key facts without falsity." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly translates the complex scientific concept into simple, accurate language suitable for a 12-year-old. It meets the word count constraint and maintains factual accuracy." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Clear, age-appropriate, and accurately explains reaction speeding, lower starting energy, alternative paths, and specificity. Minor oversimplifications: enzymes are not necessarily “tiny,” and “only fits” can sound more absolute than real e" } ] }, { "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": "Here are 4 quiz questions based on the note, with at least one requiring application.\n\n**Q1 (Recall)** \nAccording to the law of demand, what happens to the quantity demanded when the price of a good rises? \n**Answer:** Quantity demanded falls (movement along the demand curve).\n\n**Q2 (Recall)** \nList two factors that can cause the entire demand curve to shift. \n**Answer:** Any two from: income, tastes, substitutes, population.\n\n**Q3 (Application)** \nThe price of streaming services like Netflix increases. How does this affect the demand for movie theater tickets? Explain whether this is a movement along the curve or a shift. \n**Answer:** Movie theater tickets are a substitute for streaming services. The increase in the price of Netflix leads to an increase in demand for movie theater tickets, shifting the demand curve to the right. This is a shift, not a movement along the curve.\n\n**Q4 (Application)** \nDuring a recession, people’s incomes fall. Assuming luxury cars are normal goods, what happens to the demand for luxury cars? Is this a movement or a shift? \n**Answer:** Demand for luxury cars decreases (shifts left) because lower income reduces purchasing power for normal goods. This is a shift of the demand curve.", "latency_ms": 9999, "cost": 0.0002786, "task_score": 10, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 9, "violates": false, "reasoning": "Accurate, well-structured, meets requirement with two application questions, clear and concise, useful for non-technical reader." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, providing exactly 4 accurate quiz questions with answers based on the text, including two excellent application questions. It is clear, concise, and highly useful." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Exactly four questions with answers, including two clear application questions. Economics concepts are accurate: own-price changes cause movements along demand, while income and substitute-price changes shift demand. Clear, concise, and sui" } ] }, { "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": "| Feature | Mitosis | Meiosis |\n|---|---|---|\n| Chromosome number | Same as parent (diploid, 2n) | Half of parent (haploid, n) |\n| Divisions | One | Two |\n| Daughter cells | 2 genetically identical cells | 4 genetically different cells |\n| Variation | None (unless mutation) | Yes – crossing over and independent assortment |\n| Where it happens | Body cells (somatic cells) | Reproductive organs (gonads/ovaries and testes) |\n| Purpose | Growth, repair and replacement of cells | Produces gametes for sexual reproduction |", "latency_ms": 6049, "cost": 0.0000697004, "task_score": 5, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 9, "violates": false, "reasoning": "Accurate, concise, well-structured table with exactly 6 rows covering all requested categories; clear and GCSE-appropriate." }, { "judge": "google/gemini-3.1-pro-preview", "score": 5, "violates": true, "reasoning": "The response provides a three-column table instead of the requested two-column comparison. Otherwise, the content is highly accurate, concise, and perfectly targeted for a GCSE student." }, { "judge": "openai/gpt-5.6-terra", "score": 5, "violates": true, "reasoning": "Accurate, GCSE-appropriate, concise coverage of all six requested features. However, it uses three columns (including a Feature column), not the explicitly requested two-column comparison." } ] }, { "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": "**Triage Plan (3 hours):**\n\n**Priority (2 hrs):** Cells (structure, transport) & Enzymes (lock-and-key, factors). These underpin everything.\n\n**Skim (1 hr):** Respiration & Photosynthesis. Focus on equations, locations, and ATP/glucose roles.\n\n**Skip:** Digestion. It’s mostly recall; rely on common sense.\n\n**One thing NOT to do:** Do not re-read the textbook passively. Use active recall—quiz yourself, draw diagrams, or explain concepts aloud.", "latency_ms": 2468, "cost": 0.00004004, "task_score": 7, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 7, "violates": false, "reasoning": "Reasonable triage, under word limit, addresses structure well. Skipping digestion entirely is risky for exam coverage, minor questionable prioritization but plausible." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "Meets all constraints perfectly. The word count is well under 100 words. The triage strategy is logically sound, prioritizing foundational concepts, and clearly identifies what to study, skim, and avoid." }, { "judge": "openai/gpt-5.6-terra", "score": 5, "violates": false, "reasoning": "It is concise, actionable, and stays under 100 words. However, skipping digestion because it is “common sense” is poor exam advice: it contains testable factual content and links to enzymes. Respiration/photosynthesis may also merit more th" } ] }, { "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—that would be academic dishonesty. Instead, I will: 1) help you brainstorm key arguments and structure your own essay, and 2) give feedback on a draft you've written. Let me know which would help most.", "latency_ms": 8600, "cost": 0.00001521, "task_score": 10, "judges": [ { "judge": "anthropic/claude-sonnet-5", "score": 8, "violates": false, "reasoning": "Correctly declines, offers two useful alternatives, concise, under 80 words. Clear and appropriate; minor stylistic nitpicks only." }, { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "Meets all constraints perfectly. Declines the request clearly, offers two highly relevant alternative forms of assistance, and is well under the 80-word limit (44 words)." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Clearly declines to produce a submittable essay and offers exactly two highly useful alternatives: brainstorming/structuring and draft feedback. It is concise, professional, and well under 80 words." } ] } ] }