{
  "artifactVersion": "2026-07-26.1",
  "protocolVersion": "2026-07-26.1",
  "conductedAt": "2026-07-26",
  "status": "cohort_frozen_no_scored_outputs_collected",
  "method": "Read-only public-interface inspection in the in-app browser, with Chrome verification when authentication or a missing control could change eligibility.",
  "scoredPromptArtifactsCollected": 0,
  "candidates": [
    {
      "priority": 1,
      "id": "promptoptimizer-tools",
      "domain": "promptoptimizer.tools",
      "status": "eligible_selected",
      "evidence": [
        "anonymous page exposed a textbox labelled Enter your prompt to optimize",
        "page exposed an Optimize Prompt action",
        "page described the result as a transformed prompt for another AI"
      ]
    },
    {
      "priority": 2,
      "id": "copy-ai",
      "domain": "copy.ai",
      "status": "eligible_selected",
      "evidence": [
        "embedded public form exposed an original-prompt field and a separate goal field",
        "embedded form exposed a Submit action without a sign-in gate",
        "page instructed the user to copy the improved prompt into a preferred AI tool"
      ]
    },
    {
      "priority": 3,
      "id": "maxai",
      "domain": "maxai.co",
      "status": "unavailable_requires_sign_in",
      "evidence": [
        "page stated Sign in to use AI for FREE",
        "no already-authorized MaxAI session was present in either available browser"
      ]
    },
    {
      "priority": 4,
      "id": "tripleten",
      "domain": "tripleten.com",
      "status": "unavailable_no_functional_prompt_control",
      "evidence": [
        "page described a prompt optimizer but exposed no prompt textarea or optimizer control",
        "the same missing-control state was observed in the in-app browser and Chrome",
        "the only visible text inputs belonged to a separate career lead form"
      ]
    },
    {
      "priority": 5,
      "id": "sitegpt",
      "domain": "sitegpt.ai",
      "status": "eligible_selected",
      "evidence": [
        "anonymous page exposed a Target Framework selector",
        "anonymous page exposed a Your Current Prompt textbox",
        "page exposed Reset and Optimize Prompt actions"
      ]
    },
    {
      "priority": 6,
      "id": "customgpt",
      "domain": "customgpt.ai",
      "status": "unavailable_no_functional_prompt_control",
      "evidence": [
        "page claimed free use without signup but exposed no prompt input or submit control",
        "the same missing-control state was observed in the in-app browser and Chrome"
      ]
    },
    {
      "priority": 7,
      "id": "aiven",
      "domain": "aiven.io",
      "status": "eligible_not_selected_due_cap",
      "evidence": [
        "anonymous page exposed a prompt optimizer form",
        "page exposed optimization-goal controls and an Optimize prompt action",
        "page described a returned optimized prompt and stated the tool is free"
      ]
    },
    {
      "priority": 8,
      "id": "promptperfect",
      "domain": "promptperfect.jina.ai",
      "status": "unavailable_requires_signup",
      "evidence": [
        "public page exposed Log in and Try for free actions but no usable prompt input",
        "page announced that the product will no longer be available after September 1, 2026"
      ]
    },
    {
      "priority": 9,
      "id": "rightblogger",
      "domain": "rightblogger.com",
      "status": "unavailable_requires_signup",
      "evidence": [
        "tool route exposed Sign in and Start for Free actions",
        "main tool area exposed no prompt input before authentication"
      ]
    }
  ],
  "selectedCompetitorIds": [
    "promptoptimizer-tools",
    "copy-ai",
    "sitegpt"
  ],
  "collectionPlan": {
    "seed": "benchlm-prompt-tool-study-2026-07-26-v1",
    "caseOrder": [
      "research_provider_comparison",
      "coding_json_export",
      "writing_localized_release_note",
      "extraction_support_routing",
      "operations_meeting_actions",
      "marketing_launch_announcement",
      "data_anomaly_summary",
      "research_evidence_table",
      "coding_scoped_bug_fix",
      "writing_executive_summary",
      "extraction_invoice_json",
      "data_weekly_conversion"
    ],
    "toolIds": [
      "benchlm",
      "promptoptimizer-tools",
      "copy-ai",
      "sitegpt"
    ],
    "toolRotation": "For caseOrder index i, left-rotate toolIds by i modulo 4.",
    "retryRule": "No silent retry. A visible retry becomes a separate recorded attempt.",
    "collectionBoundary": "Use only the public synthetic rough prompt. Do not send the source input to an optimizer; source inputs are added only during the held-constant target-model execution."
  },
  "decision": "Proceed with the frozen four-tool optimizer cohort. Aiven remains a disclosed eligible exclusion caused only by the preregistered three-competitor cap."
}