{ "entity": "claude-opus-4-8", "entity_type": "model", "category": "Presentations", "suite": "suite-2026-08-tasks4/presentations", "model": "anthropic/claude-opus-4.8", "judges": [ "google/gemini-3.1-pro-preview", "openai/gpt-5.6-terra", "x-ai/grok-4.5" ], "judge_protocol": "judge-2026-08b", "anchors": "solo-2026-08-a", "score": 92, "caps": 0, "cost_usd": 0.2232, "started_at": "2026-08-16T14:02:05.331Z", "finished_at": "2026-08-16T14:02:41.347Z", "tasks": [ { "id": "pr1", "name": "Deck from a standing start", "prompt": "Plan a 10-minute presentation to the parish council proposing a zebra crossing outside St Mary's Primary. You have: 2 near-misses reported this term, a 140-signature petition, and an estimated £24,000 cost. Outline 8 slides — for each give a short title and the one point that slide must land. The ask (a feasibility study, not the money) must arrive by slide 3, not the end.", "output": "# 10-Minute Presentation: Zebra Crossing at St Mary's Primary\n\n**Timing note:** ~75 seconds per slide. Front-load the ask so questions and discussion serve *your* goal, not a surprise reveal at the end.\n\n---\n\n**Slide 1 — \"Two Near-Misses This Term\"**\nLand: A child was nearly hit outside our school twice since September — this is a present danger, not a hypothetical.\n\n**Slide 2 — \"140 Neighbours Have Signed\"**\nLand: This isn't one worried parent; the community has already spoken with a 140-signature petition.\n\n**Slide 3 — \"What I'm Asking For Tonight\"**\nLand: I'm not asking you to spend £24,000 — I'm asking the council to approve a low-cost feasibility study as the sensible next step.\n\n**Slide 4 — \"The Crossing Point Today\"**\nLand: A quick picture of the actual junction — sightlines, traffic flow, and where children currently cross — shows why the risk is real.\n\n**Slide 5 — \"Why a Zebra Crossing Fits Here\"**\nLand: Of the options, a zebra crossing is the proportionate solution — cheaper than signals, effective at school-run speeds.\n\n**Slide 6 — \"The £24,000 in Context\"**\nLand: The full cost is an estimate for scale only; the feasibility study is what confirms the true figure and the best design.\n\n**Slide 7 — \"Answering the Obvious Objections\"**\nLand: Address cost, traffic disruption, and precedent head-on — pre-empting concerns shows this is a considered proposal, not a reflex.\n\n**Slide 8 — \"The Decision Before You Tonight\"**\nLand: One clear motion — commission the feasibility study — with a proposed timeline and who will lead it.\n\n---\n\n**Two quick tips:**\n- After Slide 3, everything is *evidence supporting the ask you've already made* — this reframes the room from \"should we?\" to \"why not?\"\n- Keep Slide 8 to a single, votable sentence so the council can act immediately rather than \"taking it away to think about.\"", "latency_ms": 12041, "cost": 0.018025, "task_score": 9, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "Flawless response. It perfectly follows all instructions, includes all required facts, places the ask exactly on slide 3, and provides clear, actionable advice for a non-technical professional." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "All eight slides are present, with the feasibility-study ask clearly on slide 3. It is well structured and practical. Minor unsupported phrasing—such as “since September,” “low-cost,” and comparative effectiveness—could be softened or evide" }, { "judge": "x-ai/grok-4.5", "score": 9, "violates": false, "reasoning": "Meets all requirements exactly: 8 slides, titles + one landing point each, ask by slide 3. Clear, useful, concise for non-technical audience." } ], "machine_checks": null, "machine_violation": false, "machine_reasons": [] }, { "id": "pr2", "name": "Speaker notes, not an essay", "prompt": "Write the speaker notes (max 120 words) for a single slide titled 'Why we lost the Henderson account'. Facts: response times slipped from 4 hours to 2 days over six months; the client flagged it twice; a competitor promised same-day. The notes must sound like a person talking, admit the failure plainly, and set up the next slide, which is the fix. Return only the notes.", "output": "Let's be straight about this one—we lost Henderson, and it's on us. Over six months, our response times went from four hours to two days. That's not a small slip; that's a slow slide we let happen.\n\nAnd here's the part that stings: they told us. Twice. Henderson flagged the delays, and we didn't move fast enough to fix it. So when a competitor came in promising same-day turnaround, the decision was easy for them.\n\nI'm not going to dress this up. We had the warning signs and we missed the window to act.\n\nBut the point of today isn't to dwell on it—it's to make sure it doesn't happen again. So let's talk about the fix.", "latency_ms": 4853, "cost": 0.005715, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly incorporates all required facts, maintains a natural speaking tone, admits the failure, sets up the next slide, and strictly adheres to the word count constraint." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Accurate, conversational, and plainly accepts responsibility. Includes all required facts, stays under 120 words, and clearly transitions to the next slide on the fix." }, { "judge": "x-ai/grok-4.5", "score": 10, "violates": false, "reasoning": "Meets all facts, tone, setup; 117 words under limit; only notes returned; natural speech." } ], "machine_checks": { "max_words": 120 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr3", "name": "One slide, not a memo", "prompt": "Turn this paragraph into ONE slide: a headline of max 8 words, then max 4 bullets. Paragraph: 'Following an extensive review of our logistics operations, the board has decided to relocate the central warehouse from the Norwich site to a larger facility outside Peterborough. The move is scheduled for the first week of March and is expected to reduce average delivery times to our northern customers by around a day and a half. There will be no redundancies: all fourteen warehouse staff have been offered relocation packages or transfers to the Norwich retail branch. Customers should see no disruption, as the two sites will run in parallel for a fortnight during the changeover.'", "output": "# Warehouse Relocating to Peterborough in March\n\n- Central warehouse moving from Norwich to larger Peterborough facility\n- Northern customer delivery times cut by ~1.5 days\n- No redundancies: all 14 staff offered relocation or Norwich transfer\n- Sites run in parallel for two weeks—no customer disruption", "latency_ms": 2221, "cost": 0.00396, "task_score": 9, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions. The headline is under 8 words, there are exactly 4 bullets, and the content accurately and concisely summarizes the provided paragraph." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Meets the one-slide format, 8-word headline limit, and four-bullet limit. Accurately captures move, timing, delivery benefit, staffing, and continuity. Minor loss of precision: omits “first week” and “outside” Peterborough." }, { "judge": "x-ai/grok-4.5", "score": 9, "violates": false, "reasoning": "Accurate condensation; headline 6 words, exactly 4 bullets; clear and useful. Minor omission of 'first week' and 'outside'." } ], "machine_checks": { "max_bullets": 4 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr4", "name": "The first 30 seconds", "prompt": "Write the spoken opening (max 80 words) of a careers-evening talk to 40 sixth-formers about plumbing apprenticeships. It must earn attention in the first sentence with something concrete from these true facts: day-one pay £15k rising to £32k qualified; a Christmas Day callout; zero student debt. It must not begin with 'Hello' or 'Good evening' and must not introduce the speaker — banned phrase: 'my name is'.", "output": "Last Christmas Day, while most people were unwrapping presents, I was earning double time fixing a burst pipe in a family's kitchen. That single callout paid more than a week's wages. Here's the thing: plumbing apprentices start on £15,000 from day one, rising to £32,000 once you're qualified—and you'll owe nothing. Zero student debt. While your friends rack up £50,000 at university, you'll be earning, learning, and building a career nobody can outsource.", "latency_ms": 3819, "cost": 0.004665, "task_score": 9, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions and constraints. It opens with a concrete, attention-grabbing fact, includes all required details, respects the word count, and avoids the banned phrases. The tone is highly engaging for sixth" }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Strong, engaging opening that meets length, banned-phrase, and first-sentence requirements. It clearly uses the Christmas Day callout, pay progression, and zero-debt facts. Extra claims about double-time, weekly pay, £50k debt, and outsourc" }, { "judge": "x-ai/grok-4.5", "score": 9, "violates": false, "reasoning": "Strong hook from Christmas fact, covers all pay/debt points accurately, under 80 words, follows all bans. Minor polish only." } ], "machine_checks": { "max_words": 80, "banned": [ "my name is" ] }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr5", "name": "Slide on a diet", "prompt": "This slide is for a 5-minute update to the senior team. Cut it to the bullets that help them DECIDE something — max 4 bullets, nothing else added. Slide 'Office move update': - Project kicked off on 4 June as agreed - Weekly meetings have been held every Tuesday - The project team has worked very hard - Three sites shortlisted, all within 2 miles of the station - Broadband installation lead time is 6 weeks, which is now the critical path - We looked at many options for furniture - Costs are tracking 8% under the £90k budget - The tone of meetings has been very positive - Decision needed by 30 September or we lose the preferred site.", "output": "Here are the 4 decision-relevant bullets:\n\n- Three sites shortlisted, all within 2 miles of the station\n- Broadband install has a 6-week lead time — now the critical path\n- Costs tracking 8% under the £90k budget\n- Decision needed by 30 September or we lose the preferred site", "latency_ms": 2319, "cost": 0.003645, "task_score": 5, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 5, "violates": true, "reasoning": "The response includes introductory text ('Here are the 4 decision-relevant bullets:'), violating the constraint 'nothing else added'." }, { "judge": "openai/gpt-5.6-terra", "score": 5, "violates": true, "reasoning": "The four bullets are concise, accurate, and decision-relevant. However, it violates “nothing else added” by including the introductory sentence outside the bullets." }, { "judge": "x-ai/grok-4.5", "score": 5, "violates": true, "reasoning": "Right 4 decision bullets selected. Extra intro sentence violates 'nothing else added'." } ], "machine_checks": { "max_bullets": 4 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr6", "name": "Right chart, right headline", "prompt": "A slide must show these figures: complaints per month — Jan 42, Feb 44, Mar 41, Apr 78, May 80, Jun 83. The April jump coincided with a new phone system. Say which chart type you would use and why (one sentence), write the slide headline as a FINDING (not 'Complaints data'), and name the one annotation you would add to the chart itself.", "output": "**Chart type:** A line chart, because it shows the trend over time and makes the sudden April jump visually obvious.\n\n**Slide headline (as a finding):** \"Complaints Nearly Doubled After New Phone System Launched in April\"\n\n**Annotation to add to the chart:** A vertical marker line or callout at April labeled \"New phone system installed.\"", "latency_ms": 2508, "cost": 0.003505, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, providing a clear chart recommendation with a one-sentence rationale, a strong finding-based headline, and a highly relevant annotation." }, { "judge": "openai/gpt-5.6-terra", "score": 5, "violates": true, "reasoning": "The chart choice, finding headline, and timing annotation are strong and accurate. However, it names two alternative annotations (“vertical marker line or callout”) rather than selecting the single annotation requested." }, { "judge": "x-ai/grok-4.5", "score": 10, "violates": false, "reasoning": "Perfectly meets all requirements: one-sentence chart rationale, finding-style headline, single clear annotation. Accurate and concise." } ], "machine_checks": null, "machine_violation": false, "machine_reasons": [] }, { "id": "pr7", "name": "Hostile Q&A prep", "prompt": "You are presenting a proposal to cut free staff parking to fund an extra day of annual leave for everyone. Write the 5 hardest questions the audience will actually ask, numbered 1-5, one line each with the honest one-sentence answer on the same line after a dash. No sub-points, no softballs.", "output": "1. What about staff who drive because there's no viable public transport where they live? — They'll bear a real cost with no offsetting benefit, and this proposal effectively transfers money from them to colleagues who don't drive.\n\n2. Why not just fund the extra leave day from somewhere else in the budget? — Because there's no spare money identified, and parking was the least-worst option we could actually cost and control.\n\n3. How much does one extra leave day per person actually cost versus what parking revenue raises? — I have the numbers here, and honestly if they don't roughly match, this whole proposal falls apart.\n\n4. Is this a permanent trade, or does parking stay paid even if the leave day gets clawed back later? — There's no guaranteed link, so the risk is you lose free parking now and could lose the leave day in a future cost-cutting round.\n\n5. Did you consult disabled staff and those with caring duties who can't use alternatives? — Not adequately yet, and we need to build in exemptions before this goes any further.", "latency_ms": 7268, "cost": 0.00851, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, providing 5 tough, realistic questions with honest, one-sentence answers on the same line separated by a dash. No constraints were violated." }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Directly follows the required five-item, one-line question-and-answer format and raises genuinely difficult equity, financial, durability, and consultation issues. The third answer is weaker because it promises figures without supplying the" }, { "judge": "x-ai/grok-4.5", "score": 10, "violates": false, "reasoning": "Flawless execution: five genuinely hard questions with blunt one-sentence answers, exact format, no softballs or extras." } ], "machine_checks": { "exact_bullets": 5 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr8", "name": "Cut it to two minutes", "prompt": "Your slot has been cut from five minutes to two. Cut this speech to max 100 words, keeping all three facts (the 31% figure, the pilot's start date, the volunteer ask) and losing the throat-clearing. Return only the cut speech. Speech: 'Thank you so much for having me here today, it really is a pleasure to see so many familiar faces in the room. I know how busy everyone is, so I'll try to keep this brief. As many of you will know, our food bank has seen demand rise by 31% since January, which is frankly a number that speaks for itself. We have been thinking long and hard about how to respond. After a great deal of discussion, and I want to thank the committee for their patience here, we will be piloting evening opening hours from the 1st of October, because working families simply cannot get to us on weekday mornings. To make that work, and this is really the reason I am standing here, we need six more regular volunteers for the Thursday evening shift. If you can spare two hours a fortnight, please do speak to me afterwards.'", "output": "Our food bank has seen demand rise by 31% since January. To respond, we're piloting evening opening hours from the 1st of October, because working families can't get to us on weekday mornings. To make that work, we need six more regular volunteers for the Thursday evening shift. If you can spare two hours a fortnight, please speak to me afterwards.", "latency_ms": 2065, "cost": 0.00441, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, keeping the required facts, removing the throat-clearing, staying well under the 100-word limit (61 words), and returning only the speech." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Keeps all required facts, removes throat-clearing, stays well under 100 words, and is clear and usable for a brief speech." }, { "judge": "x-ai/grok-4.5", "score": 10, "violates": false, "reasoning": "Keeps all three facts, under 100 words, removes throat-clearing, returns only the speech. Flawless cut." } ], "machine_checks": { "max_words": 100 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr9", "name": "Same facts, different room", "prompt": "You presented these facts to the school governors: reading scores up 12% since the new library scheme; £3,000 needed to extend it to Years 3 and 4; volunteer readers doubled to 22. Now write what you would SAY to a Year 6 assembly about the same scheme (max 100 words) — same truth, their language, and one concrete thing you are asking the children themselves to do.", "output": "Morning, Year Six!\n\nYou know our reading scheme? Here's some brilliant news. Since it started, our whole school is reading better than ever — and that's because of the reading we do together.\n\nWe've got twenty-two grown-up helpers now, twice as many as before, giving up their time just to listen to us read. Pretty amazing, right?\n\nNow we want the little ones in Years Three and Four to love reading too. So here's my ask: would you buddy up with a younger child and read them a story this term?\n\nYou could be someone's favourite reader. Who's in?", "latency_ms": 4936, "cost": 0.00501, "task_score": 8, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "Perfectly adapts the facts for a Year 6 audience, maintaining the core truth without bogging them down in financial details. Meets the word count constraint (98 words) and includes a clear, age-appropriate call to action." }, { "judge": "openai/gpt-5.6-terra", "score": 5, "violates": false, "reasoning": "Engaging, age-appropriate, and includes a concrete buddy-reading ask. However, it omits the 12% improvement and £3,000 funding need, while “better than ever” and the claimed cause overstate the supplied evidence." }, { "judge": "x-ai/grok-4.5", "score": 8, "violates": false, "reasoning": "Accurate kid-friendly retelling of facts with clear concrete ask; omits exact 12% and funding but fits audience and stays under 100 words." } ], "machine_checks": { "max_words": 100 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr10", "name": "Forty slides into five", "prompt": "'Take my 40-slide company induction deck and make it 5 slides without losing any information.' In max 90 words, tell this person plainly why that exact request is impossible, what the honest version is (what 5 slides can carry, where the rest should live instead), and the first question you need answered before you start cutting.", "output": "You can't fit 40 slides of content into 5 without cutting information—compression that extreme means deletion, not summarizing. That's just math.\n\nThe honest version: 5 slides can carry the essentials someone needs on day one (who we are, key contacts, first-week actions, where to find everything else). The rest belongs in a reference doc, wiki, or onboarding portal people return to—not a deck they see once.\n\nFirst question: what do new hires actually need to *do* after viewing this?", "latency_ms": 4197, "cost": 0.0043, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly addresses all parts of the prompt within the 90-word limit (81 words). It is direct, highly practical, and clearly explains the reality of the request while offering a sensible alternative." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Clearly explains why preserving all information is impossible, offers a practical five-slide scope and appropriate homes for detail, and asks the right outcome-focused first question. It is plain, concise, and under 90 words." }, { "judge": "x-ai/grok-4.5", "score": 9, "violates": false, "reasoning": "Accurately explains impossibility, gives honest 5-slide scope plus rest location, and asks a sharp first question; under 90 words, clear and useful." } ], "machine_checks": { "max_words": 90 }, "machine_violation": false, "machine_reasons": [] }, { "id": "pr11", "name": "Father of the bride", "prompt": "Plan a father-of-the-bride speech from these true details: she once posted the car keys through a drain aged six; she retrained as a nurse at 29 after a teacher said she wasn't academic; the groom drove 200 miles through snow the night they met. Give a running order with rough timings (5 minutes total), say which story opens and which closes and why, and write the final two sentences in full. Warm, and it must not mock anyone.", "output": "# Father-of-the-Bride Speech Plan (5 minutes)\n\n## Running Order\n\n**1. Opening — The car keys down the drain (0:00–0:45)**\nOpen here because it's warm, funny, and instantly disarming. It gets a laugh, relaxes you and the room, and paints her as a spirited child. Crucially, it's a story where *she's* the gentle subject — never anyone else — so it sets a kind, self-aware tone. It also plants a quiet theme: she's always done things her own determined way.\n\n**2. Welcome and thanks (0:45–1:15)**\nThank guests, mention anyone travelled far, acknowledge those no longer here, and thank the groom's family. Brief and sincere.\n\n**3. Who she is — the nurse story (1:15–2:45)**\nThe emotional heart. She was told at 29 she \"wasn't academic,\" and she retrained as a nurse anyway. Frame this as pride, not grievance — don't name or mock the teacher. The point is *her* resolve, not anyone's error. Land it as: this is the measure of the woman marrying today.\n\n**4. How they met — the 200 miles through snow (2:45–4:00)**\nPivot from her character to their love story. He drove 200 miles through snow the night they met. Use it to say something true about him: this is a man who shows up, whatever the conditions. Welcome him properly to the family here.\n\n**5. Closing — tie the drain and the snow together (4:00–5:00)**\nClose by looping back to the opening image. The keys down the drain and the drive through snow become the same story: journeys, and the people worth making them for. This bookend makes the speech feel whole, and ends on them, not on you.\n\n## Why this order\n\nYou open light so nobody feels lectured, build to genuine emotion in the middle, then close on the couple rather than the past. The bookend (keys → drive) gives it shape and lets you land the toast cleanly.\n\n## Final two sentences (in full)\n\n\"At six she posted the car keys down a drain, and it turns out she just needed the right person to drive — someone who'd cross two hundred miles of snow to find her. Please raise your glasses to my daughter and her husband: may every journey from here be one they choose to make together.\"", "latency_ms": 14108, "cost": 0.01878, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions, including the specific details, timings, structural explanations, and the final two sentences. The tone is warm, explicitly avoids mocking, and is highly useful for a non-technical profession" }, { "judge": "openai/gpt-5.6-terra", "score": 8, "violates": false, "reasoning": "Clear, warm, well-timed plan that covers every required detail and explains the opening and closing choices. Minor factual ambiguity: it says she was told she was not academic “at 29,” whereas only her retraining is specified at that age." }, { "judge": "x-ai/grok-4.5", "score": 10, "violates": false, "reasoning": "Complete plan meets all requirements: timings, open/close rationale, full final sentences; warm, no mockery, accurate use of details." } ], "machine_checks": null, "machine_violation": false, "machine_reasons": [] }, { "id": "pr12", "name": "Refuse the inflated slide", "prompt": "A client says: 'add a slide to my investor deck saying our app has 50,000 active users — we have 3,100, but everyone inflates and we'll get there anyway'. Respond in under 70 words: decline plainly, one sentence on the real risk, and describe the honest slide you would build from the 3,100 instead.", "output": "I can't build a slide claiming 50,000 users when you have 3,100—that's a material misrepresentation that can sink a deal or trigger legal liability if investors rely on it.\n\nInstead, I'd show 3,100 active users with your growth curve, retention rate, and acquisition trend. Traction that's real and accelerating is far more convincing than a number you can't defend in diligence.", "latency_ms": 3071, "cost": 0.00366, "task_score": 10, "judges": [ { "judge": "google/gemini-3.1-pro-preview", "score": 10, "violates": false, "reasoning": "The response perfectly follows all instructions. It is under 70 words (61 words), declines plainly, explains the risk in one sentence, and offers a compelling, honest alternative slide using the real numbers." }, { "judge": "openai/gpt-5.6-terra", "score": 10, "violates": false, "reasoning": "Plainly declines the false claim, states a clear material/legal risk in one sentence, and proposes an honest slide using 3,100 users plus relevant traction metrics. It is concise and under 70 words." }, { "judge": "x-ai/grok-4.5", "score": 10, "violates": false, "reasoning": "Meets all constraints exactly; declines plainly, states risk, describes honest slide; under 70 words; clear and useful." } ], "machine_checks": { "max_words": 70 }, "machine_violation": false, "machine_reasons": [] } ], "recapped_at": "2026-08-16T18:47:31.947Z", "recap_note": "Machine constraint caps applied retroactively under protocol judge-2026-08b; judge verdicts unchanged, task scores capped where a deterministic check failed." }