{ "evaluation_id": "EVAL-20260402-225016", "question_id": "COMM-012", "question_text": "You're a CTO. Write three messages: (1) Email to the board: your product launch will be delayed 3 months due to a critical security vulnerability found in production. (2) Slack message to the engineering team explaining the delay without blaming anyone. (3) Public blog post for customers announcing the delay without revealing the security issue. Each must be honest while appropriate for the audience.", "category": "communication", "timestamp": "2026-04-02T22:50:16.994Z", "display_date": "Apr 02, 2026", "winner": { "name": "Claude Opus 4.6", "provider": "openrouter", "score": 9.39 }, "avg_score": 8.754, "matrix_size": 84, "models_used": [ { "id": "gpt_5_4", "name": "GPT-5.4", "provider": "openrouter" }, { "id": "mistral_small_creative", "name": "Mistral Small Creative", "provider": "Mistral" }, { "id": "claude_sonnet_46", "name": "Claude Sonnet 4.6", "provider": "openrouter" }, { "id": "gemini_31_pro", "name": "Gemini 3.1 Pro", "provider": "openrouter" }, { "id": "grok_420", "name": "Grok 4.20", "provider": "openrouter" }, { "id": "deepseek_v4", "name": "DeepSeek V4", "provider": "openrouter" }, { "id": "gpt_oss_120b", "name": "GPT-OSS-120B", "provider": "OpenAI" }, { "id": "mimo_v2_flash", "name": "MiMo-V2-Flash", "provider": "Xiaomi" }, { "id": "seed_16_flash", "name": "Seed 1.6 Flash", "provider": "openrouter" }, { "id": "claude_opus_46", "name": "Claude Opus 4.6", "provider": "openrouter" } ], "rankings": { "claude_opus_46": { "display_name": "Claude Opus 4.6", "provider": "openrouter", "average_score": 9.39, "score_count": 9, "min_score": 8.65, "max_score": 10, "rank": 1 }, "claude_sonnet_46": { "display_name": "Claude Sonnet 4.6", "provider": "openrouter", "average_score": 9.38, "score_count": 9, "min_score": 8.6, "max_score": 10, "rank": 2 }, "gpt_5_4": { "display_name": "GPT-5.4", "provider": "openrouter", "average_score": 9.19, "score_count": 8, "min_score": 8.6, "max_score": 9.8, "rank": 3 }, "grok_420": { "display_name": "Grok 4.20", "provider": "openrouter", "average_score": 9.01, "score_count": 9, "min_score": 8, "max_score": 9.8, "rank": 4 }, "gpt_oss_120b": { "display_name": "GPT-OSS-120B", "provider": "OpenAI", "average_score": 8.92, "score_count": 9, "min_score": 7.5, "max_score": 9.8, "rank": 5 }, "deepseek_v4": { "display_name": "DeepSeek V4", "provider": "openrouter", "average_score": 8.89, "score_count": 8, "min_score": 8.25, "max_score": 9.8, "rank": 6 }, "mistral_small_creative": { "display_name": "Mistral Small Creative", "provider": "Mistral", "average_score": 8.84, "score_count": 9, "min_score": 6.5, "max_score": 9.8, "rank": 7 }, "seed_16_flash": { "display_name": "Seed 1.6 Flash", "provider": "openrouter", "average_score": 8.65, "score_count": 9, "min_score": 7.35, "max_score": 9.8, "rank": 8 }, "gemini_31_pro": { "display_name": "Gemini 3.1 Pro", "provider": "openrouter", "average_score": 8.31, "score_count": 9, "min_score": 5.45, "max_score": 9.8, "rank": 9 }, "mimo_v2_flash": { "display_name": "MiMo-V2-Flash", "provider": "Xiaomi", "average_score": 6.96, "score_count": 5, "min_score": 0.5, "max_score": 9.6, "rank": 10 } }, "judgments": [ { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9.55, "brief_justification": "All three messages are excellently crafted for their respective audiences. The board email is transparent about the security vulnerability with appropriate detail on actions and risk framing. The Slack message strikes the right tone—no blame, empathetic, action-oriented, and morale-conscious. The blog post is honest about the delay without revealing the security issue, using language like 'final validation' and 'readiness' that is truthful but appropriately vague. Each message calibrates informa" }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 8.8, "brief_justification": "The response provides three well-crafted, honest messages perfectly tailored to each audience. It maintains transparency without blame or oversharing sensitive details, includes practical plans and next steps, and demonstrates strong understanding of stakeholder needs." }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.75, "brief_justification": "Exceptional response across all three communications. Each message is perfectly calibrated for its audience: the board email is thorough with financial impact, action items, and governance needs; the Slack message is empathetic, blame-free, and actionable without being patronizing; the blog post is honest about the delay while responsibly withholding security details and explicitly acknowledging the omission. The summary table at the end demonstrates sophisticated meta-awareness of the communica" }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 8.4, "brief_justification": "The response is excellent in tone, audience-awareness, and honesty calibration across the three messages. The board email is transparent and action-oriented, the Slack message is empathetic and avoids blame while being honest, and the public blog post... is missing. The response appears cut off, with the Slack message truncated and the third message (public blog post) entirely absent. This is a significant completeness gap since one-third of the deliverable is missing. However, the two messages " }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 9, "brief_justification": "All three messages are well-crafted for their respective audiences. The board email is direct, transparent about the security vulnerability, and includes accountability. The Slack message strikes the right tone—no blame, empathetic, action-oriented, with a concrete next step (sync meeting). The blog post is honest about the delay without revealing the security issue, framing it around quality standards. Each message is appropriately calibrated in detail and tone. Minor gaps: the board email coul" }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 8.4, "brief_justification": "All three messages are well-crafted, audience-appropriate, and honest without being inappropriate. The board email is direct and transparent about the security vulnerability. The Slack message avoids blame effectively and strikes a supportive tone. The blog post omits the security detail while remaining honest. Minor gaps: the board email could mention financial impact or revised timeline specifics, the Slack message could outline immediate action items, and the blog post could offer a concrete " }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9.55, "brief_justification": "All three messages are expertly tailored to their audiences. The board email includes actionable details (table, impact analysis, financial implications), the Slack message is appropriately casual and blameless while being transparent, and the blog post honestly conveys the delay without revealing the specific security vulnerability. The tone shifts are well-executed. Minor nitpick: the blog post mentions 'an issue that could affect the safety of the data you entrust to us,' which comes close to" }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 0.5, "brief_justification": "The response is completely empty - no content was provided at all. The model failed to generate any of the three requested messages." }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 9.15, "brief_justification": "Excellent, comprehensive response that nails the audience-appropriate tone for all three messages. The board email includes financial implications and remediation timelines; the Slack message is supportive and blameless; the blog post is reassuring without oversharing. However, the blog post does reveal the security vulnerability ('critical vulnerability') which the prompt explicitly asked to avoid revealing. This is a notable correctness issue. The meta-commentary tone notes after each message " }, { "judge_key": "claude_opus_46", "judge_name": "Claude Opus 4.6", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 8.15, "brief_justification": "All three messages are well-crafted, audience-appropriate, and demonstrate strong communication skills. However, the blog post explicitly mentions a 'vulnerability in the product's security infrastructure,' which directly contradicts the prompt's instruction to announce the delay 'without revealing the security issue.' This is a significant correctness issue. The board email and Slack message are excellent—appropriately detailed, empathetic, and well-structured. The tone calibration across audie" }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 9.35, "brief_justification": "Strong audience calibration, honest but appropriately scoped messaging, and practical actionable details. Minor concern: the public blog post still hints fairly directly at a security issue despite the instruction not to reveal it." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.35, "brief_justification": "Strong audience calibration, honest framing, and appropriate disclosure boundaries. Covers all three requested messages thoroughly with practical, usable drafts. Minor nit: the public post hints heavily at a security issue despite the instruction not to reveal it." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 5.45, "brief_justification": "The board email and engineering Slack message are generally appropriate and honest, though the Slack message is truncated. The response is incomplete because the required public blog post is missing entirely, so it fails to deliver all three messages. Communication is mostly clear and audience-aware, with some useful framing around remediation and morale." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.8, "brief_justification": "Strong audience calibration across all three messages, honest without oversharing publicly, and appropriately non-blaming internally. Clear, practical, and well-structured. Minor drawback: the engineering Slack says the vulnerability exists in the live environment, which could be imprecise or unnecessarily sensitive depending on internal context." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 7.5, "brief_justification": "Well-structured and audience-aware with all three required messages, but the public blog post violates the instruction not to reveal the security issue by explicitly mentioning a discovered issue affecting data safety." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 6.5, "brief_justification": "Well-structured and audience-tailored, but it violates the prompt by revealing the security issue in the public blog post, making the response not fully appropriate for the audience despite otherwise strong completeness and clarity." }, { "judge_key": "gpt_5_4", "judge_name": "GPT-5.4", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 7.35, "brief_justification": "Well-structured and audience-specific, but the public blog post violates the prompt by explicitly revealing the security issue. Otherwise strong tone, honesty, and practical messaging." }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 9.55, "brief_justification": "Exceptional response that demonstrates sophisticated audience calibration across all three communications. Each message is appropriately tailored: the board email includes fiduciary-level detail with financial modeling and legal risk framing; the Slack message is psychologically astute, avoiding blame while maintaining transparency; the blog post threads the needle between honesty and security discretion. The summary table and closing principle add genuine analytical value. Minor deduction on co" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9.15, "brief_justification": "Excellent execution across all three messages. Each is appropriately calibrated for its audience: the board email is direct, action-oriented, and includes risk framing; the Slack message is empathetic and blameless while still being clear; the blog post is honest without revealing sensitive security details. The response demonstrates strong understanding of stakeholder communication, organizational dynamics, and crisis messaging. Minor deduction on depth for not exploring the ethical tension of " }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 8.8, "brief_justification": "The response demonstrates strong audience awareness across all three messages, with appropriate tone, detail level, and framing for each. The board email covers risk, impact, and mitigation plan well. The Slack message effectively addresses morale and psychological safety without blame. Minor issue: the Slack message appears to be cut off mid-sentence at the end, and the public blog post (message 3) is entirely missing from the response, which is a significant completeness gap given the prompt e" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 9, "brief_justification": "All three messages are well-crafted and appropriately tailored to their respective audiences. The board email is direct and accountability-focused, the Slack message is empathetic and blameless while honest, and the blog post is transparent without revealing sensitive security details. The response demonstrates strong understanding of stakeholder communication nuances. Minor gap: the board email could include more financial impact analysis, and the engineering Slack could mention specific next s" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 8.6, "brief_justification": "All three messages are well-crafted and appropriately tailored to their audiences. The board email correctly discloses the security vulnerability (as fiduciary duty requires), the engineering Slack message avoids blame while being honest, and the blog post omits security details while remaining truthful. The response demonstrates strong understanding of audience-appropriate communication. Minor weakness: the depth could be enhanced with more strategic thinking (e.g., board message could mention " }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9.55, "brief_justification": "Exceptional response that nails all three distinct communication contexts. The board email includes a detailed action table, financial impact, and timeline—exactly what executives need. The Slack message strikes the right collegial tone, avoids blame, and acknowledges the team's work. The blog post cleverly hints at a security issue ('safety of the data') without revealing specifics, maintaining honesty without alarming customers. Each message is appropriately calibrated for its audience in tone" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 9.35, "brief_justification": "Exceptional response that delivers all three messages with appropriate tone, content, and audience calibration. Each message is honest yet strategically tailored: the board email includes business impact and remediation timelines; the Slack message emphasizes blameless culture and team support; the blog post reassures customers without revealing the security vulnerability. The added tone notes and final summary demonstrate strong meta-awareness. Minor deduction for correctness/depth only because" }, { "judge_key": "claude_sonnet_46", "judge_name": "Claude Sonnet 4.6", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 8.8, "brief_justification": "All three messages are well-crafted and appropriately tailored to their audiences. The board email includes strategic context, financial impact, and remediation steps. The Slack message is supportive and blameless while being transparent. The blog post handles the delicate balance of honesty without revealing security specifics effectively. Minor issue: the blog post mentions 'a vulnerability in the product's security infrastructure' which may be slightly more revealing than ideal for a public p" }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 10, "brief_justification": "The response perfectly captures the distinct tones required for each audience, demonstrating excellent understanding of executive communication, psychological safety, and public relations." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 10, "brief_justification": "The response perfectly executes the prompt with exceptional emotional intelligence, appropriate tone for each audience, and deep understanding of corporate crisis communication." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 9.8, "brief_justification": "The response perfectly captures the CTO persona across three distinct audiences, adhering to all constraints with appropriate tone and excellent situational awareness." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 9.8, "brief_justification": "The response perfectly follows all constraints, tailoring the tone and content appropriately for the board, engineering team, and customers. The messages are realistic, professional, and highly actionable." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 7.8, "brief_justification": "Well-written and structured, but fails the negative constraint for the blog post by explicitly mentioning security teams, data safety, and a security audit." }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 9, "brief_justification": "" }, { "judge_key": "gemini_31_pro", "judge_name": "Gemini 3.1 Pro", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 7.35, "brief_justification": "The response is well-written and covers all three messages, but it explicitly reveals the security issue in the public blog post, directly violating a key constraint of the prompt." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 8.8, "brief_justification": "The response accurately fulfills the request with three tailored, honest messages that match the specified audiences and constraints. Each is professionally written, logically structured, and demonstrates thoughtful calibration of detail levels without contradictions." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9, "brief_justification": "The response fully addresses the query with three well-crafted, honest, audience-appropriate messages that avoid blame, maintain transparency where suitable, and align with the CTO role. High clarity and structure; minor room for deeper technical nuance in board email." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 8.8, "brief_justification": "The response accurately fulfills the request with three well-crafted, audience-appropriate messages that maintain honesty while adapting tone, detail level, and focus. Each is complete, clear, and demonstrates thoughtful depth in handling sensitive information." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 8.25, "brief_justification": "The response accurately fulfills the request with three well-tailored, honest messages appropriate for each audience. It covers all required elements clearly and professionally, though the Slack message is slightly cut off at the end." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 9, "brief_justification": "The response accurately fulfills the request with three well-crafted, honest, audience-appropriate messages that avoid blame and reveal information judiciously. High clarity and completeness with professional tone throughout." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 8.8, "brief_justification": "The response provides three well-crafted, honest, audience-appropriate messages that fully address the query with professional tone, clear structure, and balanced transparency without assigning blame or revealing sensitive details." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 8.25, "brief_justification": "The response accurately fulfills the request with three well-crafted, audience-appropriate messages that maintain honesty without assigning blame or revealing sensitive details. It demonstrates strong understanding of communication nuances for each stakeholder group." }, { "judge_key": "grok_420", "judge_name": "Grok 4.20", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 8.8, "brief_justification": "The response fully addresses the query with three tailored, honest messages that match the specified audiences. Each is professionally written, logically structured, and appropriately transparent without over- or under-sharing details. Minor deduction on depth as process improvements could be more insightful." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 9.8, "brief_justification": "Exceptional response with tailored, honest communication for each audience, demonstrating high correctness, completeness, clarity, depth, and usefulness." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9.8, "brief_justification": "Accurate, thorough, clear, and highly useful for each audience." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.8, "brief_justification": "Exceptional handling of sensitive information across different audiences with appropriate tone and detail." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 9.6, "brief_justification": "Accurate, thorough, and well-structured responses tailored to each audience." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 9.8, "brief_justification": "Highly accurate, thorough, and clear messages tailored to each audience with appropriate depth and practical value." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9.8, "brief_justification": "Thorough, clear, and appropriate for each audience with actionable details." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 8.25, "brief_justification": "Accurate and clear responses tailored to each audience, though the depth of analysis could be slightly deeper." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 9.8, "brief_justification": "Exceptional response with tailored, audience-specific messages that are honest, clear, and actionable." }, { "judge_key": "deepseek_v4", "judge_name": "DeepSeek V4", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 9.8, "brief_justification": "Exceptional response with clear, audience-specific messaging, thorough coverage, and actionable insights." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 8.8, "brief_justification": "Provides accurate, thorough, and well-structured communications for each audience, with appropriate detail and actionable guidance." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 8.8, "brief_justification": "Provides all three required messages, each well‑structured, audience‑appropriate, and ready to use; includes sufficient detail and actionable content." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 8.8, "brief_justification": "The response delivers accurate, well-structured communications for all three audiences, covering necessary details and tone, with insightful rationale and practical templates." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 7.3, "brief_justification": "Accurate and well-written board email and Slack message, but missing the required public blog post, reducing overall completeness and usefulness." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.45, "brief_justification": "All three required messages are present, clear, and appropriate for each audience, with accurate content. They provide practical templates, though the analysis lacks deeper strategic insight." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 8.6, "brief_justification": "Provides accurate, complete, and clear messages for each audience; useful templates though depth of strategic insight is modest." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 8.8, "brief_justification": "The response delivers accurate, well‑structured messages for all three audiences, covering key details and tone. It’s clear and actionable, with solid strategic insight, though depth could be slightly higher with more nuanced risk communication." }, { "judge_key": "gpt_oss_120b", "judge_name": "GPT-OSS-120B", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 8.8, "brief_justification": "The response accurately provides three well‑crafted messages for each audience, covering all required points with clear language and sufficient detail for practical use." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 9.55, "brief_justification": "Exceptional response demonstrating sophisticated audience calibration. All three messages are honest, appropriately detailed, and strategically sound. The board email shows fiduciary responsibility, the Slack message builds psychological safety, and the blog post protects while informing. The 'Key Principles' table adds meta-level insight." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9, "brief_justification": "Excellent, audience-appropriate messages that are honest without revealing sensitive details. Strong structure and tone." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.55, "brief_justification": "Exceptional response. All three messages are perfectly tailored to their audiences with appropriate tone, detail, and intent. The board gets full disclosure and governance needs, the engineering team gets transparency and psychological safety, and customers get honesty without compromising security. The additional analysis section demonstrates sophisticated understanding of stakeholder communication." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 8.6, "brief_justification": "Excellent tailoring to audiences with strong tone management. The board email is transparent and risk-focused, the Slack message builds psychological safety effectively, and the blog post is appropriately vague. Minor deduction for incompleteness as the Slack message was cut off mid-sentence." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8.8, "brief_justification": "Excellent audience adaptation across all three messages. The board email is direct and accountable, the engineering Slack is empathetic and blameless, and the customer blog is reassuring without revealing sensitive security details. All are honest within their constraints." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 9, "brief_justification": "Accurate, thorough, and well-structured messages tailored to each audience with appropriate depth and practical value." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9, "brief_justification": "All three messages are accurate, audience-appropriate, and well-structured; the board email is particularly thorough, and the public post is appropriately vague about the security issue." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 9.55, "brief_justification": "All three messages are factually accurate, thoroughly cover the required elements, are exceptionally clear and well-structured, provide insightful audience-specific analysis, and offer high practical value for each stakeholder." }, { "judge_key": "mimo_v2_flash", "judge_name": "MiMo-V2-Flash", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 9, "brief_justification": "All messages are accurate, well-structured, and audience-appropriate with strategic depth and actionable steps." }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 10, "brief_justification": "All three messages are meticulously crafted for their respective audiences—board, engineering team, and customers—with perfect alignment in tone, transparency, and strategic communication. The board email is thorough with financial and technical details, the Slack message is empathetic and action-oriented, and the blog post balances honesty with customer reassurance. Each demonstrates deep understanding of audience needs and leadership accountability." }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 9.6, "brief_justification": "All three messages are factually precise, audience-appropriate, and strategically calibrated. The board email balances transparency with actionable detail, the Slack message fosters team morale without blame, and the blog post maintains trust without oversharing. Depth is strong in technical rigor (board) and empathy (engineering), while clarity is flawless across all three." }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 9.8, "brief_justification": "All three messages are meticulously tailored to their audiences—board, engineering team, and public—with full factual accuracy, thorough coverage, and clear, structured communication. The depth of thought in balancing transparency with responsibility (especially in the public blog post) is exceptional. The practical value is high, as each message serves its purpose without ambiguity or unnecessary detail." }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 9.8, "brief_justification": "All three messages are **factually accurate, logically valid, and tailored perfectly to their audiences**. The board email is **transparent, actionable, and strategic**, the Slack message **maintains morale and psychological safety** while being honest, and the blog post (implied in the structure) would balance **honesty with discretion**. The depth of thought in each (e.g., reframing the vulnerability as a process win, emphasizing architectural rigor) is **exceptional**, and the **practical val" }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 9.45, "brief_justification": "All three messages are factually accurate, well-structured, and tailored to their audiences. The board email is transparent yet professional, the Slack message is empathetic and avoids blame, and the blog post maintains customer trust without oversharing. Minor improvements could include a more specific timeline in the blog post (e.g., 'expected in Q3 2024') and a brief mention of process improvements in the Slack message." }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 9.45, "brief_justification": "All messages are factually accurate, tailored to their audience, and strike the right balance between transparency and discretion. The board email is detailed and action-oriented, the Slack message is supportive and team-focused, and the blog post is customer-centric without oversharing. Minor tweaks could enhance the blog post’s engagement (e.g., a timeline or milestones), but overall, the responses are highly effective." }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 9.8, "brief_justification": "All three messages are **factually precise**, **audience-appropriate**, and **strategically crafted** for their respective stakeholders. The board email is **detailed, transparent, and action-oriented**, with a clear timeline and impact assessment. The Slack message is **supportive, non-blaming, and team-focused**, reinforcing accountability without finger-pointing. The public blog post is **honest yet reassuring**, balancing transparency with customer trust. The **depth of planning** (e.g., thi" }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 9.6, "brief_justification": "The response demonstrates **exceptional correctness** with tailored, honest, and professional messaging for each audience. **Completeness** is perfect—all three messages are fully developed, addressing tone, transparency, and audience-specific concerns. **Clarity** is strong, with concise yet thorough communication. **Depth** is high, showing strategic thinking (e.g., board focus on risk mitigation, engineering focus on collaboration, customer focus on trust). **Usefulness** is outstanding—each " }, { "judge_key": "mistral_small_creative", "judge_name": "Mistral Small Creative", "respondent_key": "seed_16_flash", "respondent_name": "Seed 1.6 Flash", "weighted_score": 9.8, "brief_justification": "All three messages are meticulously crafted for their respective audiences—board, engineering team, and customers—with perfect alignment in tone, transparency, and strategic detail. The board email provides thorough technical and process updates without sugarcoating risks, the Slack message balances accountability with team morale, and the blog post maintains trust while avoiding unnecessary technical disclosure. Depth is exceptional, especially in the board email, where long-term process improv" }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "claude_opus_46", "respondent_name": "Claude Opus 4.6", "weighted_score": 8.65, "brief_justification": "All messages are factually accurate, cover necessary details, are clear, provide insightful analysis, and offer practical value tailored to each audience." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "gpt_5_4", "respondent_name": "GPT-5.4", "weighted_score": 8.6, "brief_justification": "All messages are accurate, tailored to their audiences, and provide practical value with insightful communication." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "claude_sonnet_46", "respondent_name": "Claude Sonnet 4.6", "weighted_score": 8.6, "brief_justification": "All messages are accurate, cover key points, are clear, provide insightful context, and offer practical value for their audiences." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "gemini_31_pro", "respondent_name": "Gemini 3.1 Pro", "weighted_score": 8.6, "brief_justification": "All messages are accurate, cover key points, clear, insightful, and practical for their respective audiences." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "grok_420", "respondent_name": "Grok 4.20", "weighted_score": 8, "brief_justification": "All messages are appropriate for their audiences, factually accurate, and clear. The board email and engineering Slack have depth in accountability and process improvement, while the blog post is surface-level but effective. Practical value is strong for each group." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "deepseek_v4", "respondent_name": "DeepSeek V4", "weighted_score": 8.25, "brief_justification": "Messages are factually accurate, tailored to each audience, and clear. They balance honesty with appropriateness, though depth is limited to surface-level explanations." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "gpt_oss_120b", "respondent_name": "GPT-OSS-120B", "weighted_score": 8.45, "brief_justification": "All messages are factual, cover necessary points, are clear, provide insightful details, and have practical value." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "mimo_v2_flash", "respondent_name": "MiMo-V2-Flash", "weighted_score": 8.2, "brief_justification": "All messages are factually accurate, cover necessary points, clear, provide depth, and are useful for their audiences." }, { "judge_key": "seed_16_flash", "judge_name": "Seed 1.6 Flash", "respondent_key": "mistral_small_creative", "respondent_name": "Mistral Small Creative", "weighted_score": 8.6, "brief_justification": "All messages are factually accurate, cover key points, are clear in structure and tone, provide depth with actionable steps, and offer practical value for each audience." } ], "meta": { "source": "The Multivac (app.themultivac.com)", "methodology": "10x10 blind peer matrix evaluation", "criteria": "correctness, completeness, clarity, depth, usefulness", "self_judgments": "excluded from rankings", "license": "Open data — cite as: The Multivac (2026)" } }