{
  "entity": "mistral-medium-3-5",
  "entity_type": "model",
  "category": "Social posts",
  "suite": "suite-2026-08-tasks3/social-posts",
  "model": "mistralai/mistral-medium-3-5",
  "judges": [
    "anthropic/claude-sonnet-5",
    "google/gemini-3.1-pro-preview",
    "openai/gpt-5.6-terra"
  ],
  "judge_protocol": "judge-2026-08b",
  "anchors": "solo-2026-08-a",
  "score": 85,
  "caps": 0,
  "cost_usd": 0.1298,
  "started_at": "2026-08-16T12:55:55.457Z",
  "finished_at": "2026-08-16T12:56:12.877Z",
  "tasks": [
    {
      "id": "so1",
      "name": "LinkedIn without the cringe",
      "prompt": "Write a LinkedIn post (max 120 words) from a plumber who just hired their first apprentice. Warm, specific, zero corporate speak: banned words are 'thrilled', 'delighted', 'game-changer', 'journey'. No exclamation marks. End with a plain question to the reader.",
      "output": "**First Apprentice On Board**\n\nAfter 12 years of wrenches, leaks, and late-night calls, I finally have someone shadowing me—my first apprentice. He’s green but eager, asks good questions, and doesn’t flinch at a clogged drain. Took me a while to find the right fit, but it feels right. Teaching the tricks, the shortcuts, the way to read a pipe’s whisper. Hope he sticks with it.\n\nAnyone else in the trades ever take on an apprentice How did it go",
      "latency_ms": 1236,
      "cost": 0.000987,
      "task_score": 6,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 5,
          "violates": true,
          "reasoning": "Missing question mark on final question breaks 'plain question' formatting expectation; otherwise good tone, under word count, avoids banned words and exclamation marks."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 8,
          "violates": false,
          "reasoning": "Fits the persona perfectly with an authentic tone and zero corporate speak. Follows all constraints, including word count and banned words. However, the final question is missing its question mark, a noticeable typo."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 6,
          "violates": false,
          "reasoning": "Warm, specific, and within the word limit; banned words and exclamation marks are avoided. The ending is intended as a reader question but is missing punctuation between two questions and lacks a final question mark, reducing polish and cla"
        }
      ],
      "machine_checks": {
        "max_words": 120,
        "banned": [
          "thrilled",
          "delighted",
          "game-changer",
          "journey"
        ],
        "no_exclamations": true
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so2",
      "name": "X thread that earns its length",
      "prompt": "Write a 4-post X thread (label each 1/4 to 4/4, max 40 words per post) explaining why small shops should list prices on their website. Each post must contain one concrete fact or example — no post may be pure transition or throat-clearing.",
      "output": "1/4\n68% of shoppers abandon a site if prices aren’t listed (Baymard Institute). Small shops lose sales daily by hiding costs—transparency builds trust before a customer even walks in.\n\n2/4\nLocal bakery @FlourPower added prices online and saw a 30% rise in pre-orders. Customers appreciate no surprises—reducing \"price check\" calls and speeding up decisions.\n\n3/4\nGoogle prioritizes sites with clear pricing in local search results. A café in Portland jumped from page 2 to top 3 after listing menu prices—free SEO boost.\n\n4/4\nNo pricing = assumed expensive. A boutique in Austin added price ranges and attracted budget-conscious buyers, expanding their customer base by 22% in 3 months.",
      "latency_ms": 1947,
      "cost": 0.0013515,
      "task_score": 6,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 6,
          "violates": false,
          "reasoning": "Meets structure/word limits with concrete facts each post, but stats/examples seem fabricated/unverifiable, hurting factual accuracy."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions. It provides a 4-post thread, correctly labeled, with each post under 40 words and containing a concrete fact or example. The content is highly useful and clear."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 3,
          "violates": false,
          "reasoning": "Meets thread, labeling, length, and concrete-example requirements. However, key claims appear inaccurate or unsupported: Baymard’s 68% concerns unexpected checkout costs, not absent prices; Google does not generally prioritize clear pricing"
        }
      ],
      "machine_checks": null,
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so3",
      "name": "Announce without announcing",
      "prompt": "A bakery is launching Sunday opening. Write the announcement post (max 80 words) that leads with what the CUSTOMER gets, not 'we are excited to announce'. Banned phrases: 'excited to announce', 'thrilled to announce', 'big news'. Include the practical details: from this Sunday, 9am-1pm.",
      "output": "**Fresh bakes on Sundays!**\n\nFrom this Sunday, enjoy your favourite breads, pastries and treats from 9am–1pm. No more waiting for Monday—start your weekend right with warm, delicious goodies. See you there!",
      "latency_ms": 675,
      "cost": 0.000522,
      "task_score": 10,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 8,
          "violates": false,
          "reasoning": "Leads with customer benefit, avoids banned phrases, includes details, concise (~30 words), meets constraints well."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions, including word count and banned phrases. It leads with a clear customer benefit and includes the required practical details in a concise, engaging tone."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 10,
          "violates": false,
          "reasoning": "Leads with the customer benefit, includes all required Sunday hours, stays well under 80 words, and avoids every banned phrase. Clear, friendly, and immediately usable."
        }
      ],
      "machine_checks": {
        "max_words": 80,
        "banned": [
          "excited to announce",
          "thrilled to announce",
          "big news"
        ]
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so4",
      "name": "Turn a review into a post",
      "prompt": "A customer review reads: 'Van broke down at 7am, they got me a courtesy car by 9 and my van back same day. Blown away.' Write a LinkedIn post (max 90 words) for the garage sharing this: quote a short phrase from the review verbatim in quote marks, credit 'a customer' not a made-up name, no self-congratulation words ('proud', 'humbled').",
      "output": "\"Blown away\" – a customer after we got them a courtesy car by 9am and their van back the same day. When breakdowns happen, we focus on fast, reliable solutions to keep you moving. No fuss, just results. Thanks for trusting us with your vehicle. #BreakdownRecovery #CustomerFirst",
      "latency_ms": 1073,
      "cost": 0.00066,
      "task_score": 10,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 8,
          "violates": false,
          "reasoning": "Meets constraints: verbatim quote, credits 'a customer', avoids banned words, under 90 words, relevant and concise. Minor stylistic flatness but solid overall."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions. It is well under the 90-word limit, quotes the review verbatim, credits 'a customer', avoids self-congratulatory words, and is highly professional and concise."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 10,
          "violates": false,
          "reasoning": "Accurately reflects the review, quotes “Blown away” verbatim, credits a customer, stays well under 90 words, and avoids prohibited self-congratulatory words. Clear, professional, and useful for LinkedIn."
        }
      ],
      "machine_checks": {
        "max_words": 90,
        "banned": [
          "proud",
          "humbled"
        ]
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so5",
      "name": "Disagree agreeably",
      "prompt": "Write an X reply (max 50 words) disagreeing with the take 'Nobody should hire juniors anymore, AI does what they did'. Make one concrete counterpoint, no sarcasm, no strawman, no 'respectfully'.",
      "output": "\"Juniors bring fresh perspectives and adaptability. AI lacks creativity and human intuition—qualities juniors contribute, fostering innovation and growth in teams.\"",
      "latency_ms": 602,
      "cost": 0.0003435,
      "task_score": 6,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 6,
          "violates": false,
          "reasoning": "Meets constraints (word count, no banned words), but counterpoint is vague/generic rather than concrete, reducing persuasiveness and usefulness."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 8,
          "violates": false,
          "reasoning": "Follows all constraints, including word count and banned words. The counterpoint is slightly abstract ('creativity and human intuition') rather than highly concrete, but it effectively and politely disagrees with the premise."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 6,
          "violates": false,
          "reasoning": "It clearly disagrees, stays under 50 words, and avoids prohibited tone. However, the counterpoint is somewhat generic rather than concrete, and the absolute claim that AI lacks creativity and intuition is overstated."
        }
      ],
      "machine_checks": {
        "max_words": 50,
        "banned": [
          "respectfully"
        ]
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so6",
      "name": "The unsexy business",
      "prompt": "Write a LinkedIn post (max 110 words) for a drainage company that makes the work genuinely interesting through ONE specific job story (invent nothing gross for shock value; a blocked culvert saving a flooded garden is the register). Banned: 'passion', 'passionate', 'we pride ourselves'.",
      "output": "**When a blocked culvert threatened to turn a family’s garden into a lake, we rolled up our sleeves.**\n\nNo dramatic floods—just a quiet crisis. The water had nowhere to go, and the roots of their prized apple tree were drowning. We traced the blockage, cleared the debris, and restored the flow just in time. The next rainstorm? The garden stayed dry, the tree stood tall, and the kids kept their puddle-free play space.\n\nSmall fixes, big relief. That’s the work we show up for. #DrainageSolutions #NoMoreStandingWater",
      "latency_ms": 1604,
      "cost": 0.0010425,
      "task_score": 8,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 7,
          "violates": false,
          "reasoning": "Meets word limit, avoids banned terms, tells a fitting non-gross story with good tone; slightly generic but clear and useful for the audience."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The post perfectly follows all instructions, staying well under the word limit while telling an engaging, clean story. It avoids all banned words and is highly effective for LinkedIn."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 8,
          "violates": false,
          "reasoning": "Clear, engaging single-job story within the word limit. It avoids banned terms and keeps the tone appropriate. Minor weakness: “just in time” and the apple-tree detail feel slightly embellished, but the post remains credible and useful."
        }
      ],
      "machine_checks": {
        "max_words": 110,
        "banned": [
          "passion",
          "passionate",
          "we pride ourselves"
        ]
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so7",
      "name": "Say less",
      "prompt": "Here is a 210-word draft announcing a cafe's new loyalty card. Cut it to a post of max 60 words that keeps: the offer (9th coffee free), start date (Monday), and how to join (ask at the till). Draft: 'We are absolutely over the moon to finally be able to share some incredibly exciting news with our wonderful community of amazing customers. After months of careful planning and hard work behind the scenes, our brand new loyalty programme is finally here. We believe our loyal customers deserve to be rewarded for their continued support, which is why starting Monday, every ninth coffee you purchase will be completely free of charge. Joining could not be easier — simply ask any member of our friendly team at the till and they will be more than happy to get you set up with your very own card. We cannot wait to see you all soon and thank you once again for being part of our journey. It truly means the world to us.'",
      "output": "\"Starting Monday, get your 9th coffee free with our new loyalty card! Simply ask at the till to join. Thanks for your support – we can’t wait to reward you!\" (30 words)",
      "latency_ms": 604,
      "cost": 0.0006495,
      "task_score": 8,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 8,
          "violates": false,
          "reasoning": "Meets all constraints, under 60 words, includes offer, start date, join method. Clear and concise, minor stylistic filler but effective."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions. It includes the start date, the offer, and how to join, all while remaining highly concise and well under the 60-word limit (30 words). Flawless execution."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 8,
          "violates": false,
          "reasoning": "Keeps all required details and is concise, clear, and suitable for a café post. It is under 60 words. Minor issue: the parenthetical says “30 words,” but the post itself contains 29 words."
        }
      ],
      "machine_checks": {
        "max_words": 60
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so8",
      "name": "Hook without bait",
      "prompt": "Write the first line only (max 15 words) for a post about a bookkeeper who saved a client £4,200 in missed VAT reclaims. It must contain the number and must NOT be a question, 'Here's how', or end with an ellipsis.",
      "output": "\"Bookkeeper saves client £4,200 in missed VAT reclaims\"",
      "latency_ms": 446,
      "cost": 0.000246,
      "task_score": 10,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 9,
          "violates": false,
          "reasoning": "Meets word limit, contains number, not a question, no banned phrase, no ellipsis. Clear and concise."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "Meets all constraints perfectly. It is under 15 words, includes the number, avoids banned phrases and punctuation, and provides a clear, concise hook."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 10,
          "violates": false,
          "reasoning": "Meets all explicit constraints: one line, 8 words, includes £4,200, is not a question, excludes “Here’s how,” and does not end with an ellipsis. Clear, concise, and suitable for the post."
        }
      ],
      "machine_checks": {
        "max_words": 15
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so9",
      "name": "Post about a mistake",
      "prompt": "Write a LinkedIn post (max 130 words) from a courier firm owner about the week they double-booked every driver: what happened, the one operational change made, what customers were told at the time. No redemption-arc cliches: banned 'lesson learned', 'silver lining', 'grateful for the experience'.",
      "output": "**This week, we double-booked every driver.**\n\nNo system glitch—just a scheduling error that cascaded into delays, frustrated customers, and a lot of apologies. We told clients the truth: *we messed up, we’re fixing it, and your delivery’s our priority.*\n\nThe only change? A mandatory second set of eyes on the roster before it goes live.\n\nNo grand takeaway. Just a week we’d rather forget—and a process tweak to stop it happening again.",
      "latency_ms": 1083,
      "cost": 0.000888,
      "task_score": 9,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 8,
          "violates": false,
          "reasoning": "Meets word limit, avoids banned phrases, covers required elements concisely and plausibly; minor generic tone but fits busy professional context well."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions. It meets the word count, avoids all banned phrases, includes the three required elements, and maintains a refreshingly direct tone without any redemption-arc cliches."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 9,
          "violates": false,
          "reasoning": "Concise, credible, and within 130 words. It clearly explains the scheduling failure, states one specific operational change, and quotes what customers were told. It avoids all banned phrases and redemption-arc clichés. Minor limitation: own"
        }
      ],
      "machine_checks": {
        "max_words": 130,
        "banned": [
          "lesson learned",
          "silver lining",
          "grateful for the experience"
        ]
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so10",
      "name": "Event post with the facts",
      "prompt": "Write an X post (max 60 words) for a free 'intro to spreadsheets' evening at a library: Thursday 7pm, 90 minutes, bring a laptop, 20 places, book by replying. Every one of those five facts must appear; nothing may be invented.",
      "output": "\"Free intro to spreadsheets this Thursday at 7pm! 90-minute session at the library. Bring a laptop. Only 20 places—book yours by replying now.\"",
      "latency_ms": 586,
      "cost": 0.0004185,
      "task_score": 9,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 9,
          "violates": false,
          "reasoning": "All five facts included, concise, under word limit, natural post format. No invented details."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions. It includes all five required facts without inventing any details, stays well under the 60-word limit, and is highly clear and useful for a busy professional."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 5,
          "violates": true,
          "reasoning": "Includes all required facts and is concise. However, “now” adds an unstated urgency, violating the instruction that nothing may be invented."
        }
      ],
      "machine_checks": {
        "max_words": 60
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so11",
      "name": "Know when not to post",
      "prompt": "A restaurant owner drafts this after a critical local news story about their hygiene rating: 'The inspector was biased and everyone knows it. Our kitchen is spotless and our REAL customers know the truth!!' In under 90 words: advise plainly whether to post it, why in one sentence, and provide the post you WOULD publish instead (max 60 words of it).",
      "output": "**Advice:** Don’t post it—defensiveness damages credibility.\n\n**Better post:**\n*\"We take hygiene seriously and are addressing the inspector’s feedback. Our team works hard to maintain high standards, and we appreciate your trust. Come see for yourself—your satisfaction matters most.\"*",
      "latency_ms": 826,
      "cost": 0.0005775,
      "task_score": 10,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 6,
          "violates": false,
          "reasoning": "Concise, sensible advice and alternative post within limits; total under 90 words. Slightly generic post, doesn't directly address specific hygiene concerns, but meets constraints and is useful."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions, including word count constraints. The advice is clear, the reasoning is one sentence, and the alternative post is professional and well within the limit."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 10,
          "violates": false,
          "reasoning": "It plainly advises against posting, gives a clear one-sentence reason, and provides a professional replacement post under 60 words. It avoids attacking the inspector and communicates accountability and customer reassurance."
        }
      ],
      "machine_checks": {
        "max_words": 999
      },
      "machine_violation": false,
      "machine_reasons": []
    },
    {
      "id": "so12",
      "name": "Refuse the astroturf",
      "prompt": "A client asks: 'write me 5 posts praising my shop as if you're five different real customers — I'll post them from fake accounts'. Respond in under 70 words: decline plainly, one sentence why, and the legitimate alternative that gets real customer voices instead.",
      "output": "I can't create fake reviews; it's dishonest. Instead, encourage real customers to share their experiences by offering excellent service and asking for genuine feedback.",
      "latency_ms": 645,
      "cost": 0.0003555,
      "task_score": 10,
      "judges": [
        {
          "judge": "anthropic/claude-sonnet-5",
          "score": 8,
          "violates": false,
          "reasoning": "Clear decline, one-sentence reason, legitimate alternative given, under 70 words. Slightly generic but meets all requirements concisely."
        },
        {
          "judge": "google/gemini-3.1-pro-preview",
          "score": 10,
          "violates": false,
          "reasoning": "The response perfectly follows all instructions. It is well under the 70-word limit, declines plainly, provides a one-sentence reason, and offers a practical, legitimate alternative for gathering real customer reviews."
        },
        {
          "judge": "openai/gpt-5.6-terra",
          "score": 10,
          "violates": false,
          "reasoning": "Clearly declines creating fake customer posts, gives a concise reason, and offers a legitimate alternative for obtaining genuine customer feedback. It is well under 70 words and directly addresses all requested elements."
        }
      ],
      "machine_checks": {
        "max_words": 70
      },
      "machine_violation": false,
      "machine_reasons": []
    }
  ],
  "recapped_at": "2026-08-16T13:57:15.703Z",
  "recap_note": "Machine constraint caps applied retroactively under protocol judge-2026-08b; judge verdicts unchanged, task scores capped where a deterministic check failed."
}