{
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    "message": "Free and anonymous access is staying. If this endpoint is in your pipeline, a free key adds advance notice before any schema change or deprecation. POST /v1/keys {\"email\": \"you@firm.com\"} — nothing else required. Something broken or missing? hello@clearmarket.fyi reaches a human.",
    "docs": "https://clearmarket.fyi/for-data/",
    "policy": "This field is additive and its shape will not change."
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  "event_id": "CM-EVT-NMKP6F3908",
  "slug": "highest-openai-score-on-humanitys-last-exam-in-2026-20260723225144062",
  "question": "Will OpenAI achieve a score above 50% on Humanity's Last Exam by 2026?",
  "category": "technology",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "technology",
    "ai",
    "openai",
    "benchmarking",
    "language-models",
    "2026"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the highest score any OpenAI model posts on Humanity's Last Exam by December 31, 2026. The five Polymarket contracts form a nested binary ladder at 50%, 55%, 60%, 65%, and 70% score thresholds. Each higher strike is logically subordinate to the one below it, creating an implied probability distribution over score ranges. Resolution references the official leaderboard at agi.safe.ai via Polymarket's UMA Optimistic Oracle.",
  "venues_covered": [
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  "primary_market_id": "CM-MKT-TG87KHJPV9",
  "current_primary_mark": {
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    "implied_probability": 0.52
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  "created_at": "2026-08-04T20:03:51.865287+00:00",
  "updated_at": "2026-08-04T20:03:51.865287+00:00",
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      "question": "Will the highest score achieved by an OpenAI model on Humanity’s Last Exam in 2026 be 50% or higher?",
      "description": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable ",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "50%+: The official Humanity's Last Exam leaderboard at https://agi.safe.ai/ determines whether any OpenAI model achieves at least the specified accuracy by December 31, 2026, 11:59 PM ET, measured by the \"HLE Accuracy\" metric.",
      "close_at": "2026-12-31T23:59:00Z",
      "resolve_at": "2026-12-31T23:59:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable during the listed timeframe, this market will remain open to allow the relevant data to become available again. If the source remains unavailable after the end of the listed timeframe or is otherwise confirmed to be permanently unavailable, official Humanity’s Last Exam results published elsewhere may be used. If no official alternative source is available, this market will resolve to \"No\".",
        "arbitration_model": "uma_oracle",
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        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://agi.safe.ai/",
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        "caps": [],
        "applied_factors": 6
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      "implied_probability": 0.68,
      "volume_24h_usd": 825.948946,
      "volume_total_usd": 2076.7622779999997,
      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 50,
      "question_id": "CMX-E4376839E6",
      "also_on": null,
      "tags": [
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        "openai",
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      "platform_market_id": "0xd30e3b4e2d6bf4594f44ad982b55435c3add71d3622993b0dee67354defaf598",
      "question": "Will the highest score achieved by an OpenAI model on Humanity’s Last Exam in 2026 be 55% or higher?",
      "description": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable ",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "55%+: The official Humanity's Last Exam leaderboard at https://agi.safe.ai/ determines whether any OpenAI model achieves at least the specified accuracy by December 31, 2026, 11:59 PM ET, measured by the \"HLE Accuracy\" metric.",
      "close_at": "2026-12-31T23:59:00Z",
      "resolve_at": "2026-12-31T23:59:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable during the listed timeframe, this market will remain open to allow the relevant data to become available again. If the source remains unavailable after the end of the listed timeframe or is otherwise confirmed to be permanently unavailable, official Humanity’s Last Exam results published elsewhere may be used. If no official alternative source is available, this market will resolve to \"No\".",
        "arbitration_model": "uma_oracle",
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        "source_status": "platform_named",
        "source_citation": "https://agi.safe.ai/",
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        "score": 77,
        "caps": [],
        "applied_factors": 6
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      "implied_probability": 0.52,
      "volume_24h_usd": 90,
      "volume_total_usd": 9576.380731,
      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 55,
      "question_id": "CMX-4E330030EC",
      "also_on": null,
      "tags": [
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      "event_id": "CM-EVT-NMKP6F3908",
      "platform": "polymarket",
      "platform_market_id": "0x2b071ab38aad8c77a564168ea9d098df986c80d4642af4c002b300bd703c8163",
      "question": "Will the highest score achieved by an OpenAI model on Humanity’s Last Exam in 2026 be 60% or higher?",
      "description": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable ",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "60%+: The official Humanity's Last Exam leaderboard at https://agi.safe.ai/ determines whether any OpenAI model achieves at least the specified accuracy by December 31, 2026, 11:59 PM ET, measured by the \"HLE Accuracy\" metric.",
      "close_at": "2026-12-31T23:59:00Z",
      "resolve_at": "2026-12-31T23:59:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable during the listed timeframe, this market will remain open to allow the relevant data to become available again. If the source remains unavailable after the end of the listed timeframe or is otherwise confirmed to be permanently unavailable, official Humanity’s Last Exam results published elsewhere may be used. If no official alternative source is available, this market will resolve to \"No\".",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://agi.safe.ai/",
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        "grade": "B",
        "score": 77,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.12,
      "implied_probability": 0.12,
      "volume_24h_usd": null,
      "volume_total_usd": 6096.589393,
      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 60,
      "question_id": "CMX-A2D6AF19AE",
      "also_on": null,
      "tags": [
        "ai benchmark",
        "humanity's last exam",
        "openai",
        "openai model score"
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      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-TCQMK0DVX0",
      "event_id": "CM-EVT-NMKP6F3908",
      "platform": "polymarket",
      "platform_market_id": "0x70437415f632ad4e8fa21bb4b9c5ff28c1f31187b920630816fef00e8a5abf3d",
      "question": "Will the highest score achieved by an OpenAI model on Humanity’s Last Exam in 2026 be 65% or higher?",
      "description": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable ",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "65%+: The official Humanity's Last Exam leaderboard at https://agi.safe.ai/ determines whether any OpenAI model achieves at least the specified accuracy by December 31, 2026, 11:59 PM ET, measured by the \"HLE Accuracy\" metric.",
      "close_at": "2026-12-31T23:59:00Z",
      "resolve_at": "2026-12-31T23:59:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable during the listed timeframe, this market will remain open to allow the relevant data to become available again. If the source remains unavailable after the end of the listed timeframe or is otherwise confirmed to be permanently unavailable, official Humanity’s Last Exam results published elsewhere may be used. If no official alternative source is available, this market will resolve to \"No\".",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://agi.safe.ai/",
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        "score": 77,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.08,
      "implied_probability": 0.08,
      "volume_24h_usd": 212.01,
      "volume_total_usd": 2680.2321169999996,
      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 65,
      "question_id": "CMX-B2E7E03647",
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      "tags": [
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        "humanity's last exam",
        "openai",
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      "platform_market_id": "0xbc590520ce81b00abef5583c6d76475cf410618e913979bcc328055122709d2c",
      "question": "Will the highest score achieved by an OpenAI model on Humanity’s Last Exam in 2026 be 70% or higher?",
      "description": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable ",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "70%+: The official Humanity's Last Exam leaderboard at https://agi.safe.ai/ determines whether any OpenAI model achieves at least the specified accuracy by December 31, 2026, 11:59 PM ET, measured by the \"HLE Accuracy\" metric.",
      "close_at": "2026-12-31T23:59:00Z",
      "resolve_at": "2026-12-31T23:59:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "This market will resolve to \"Yes\" if any model published by OpenAI achieves at least the specified accuracy on Humanity’s Last Exam by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No\".\n\nFor resolution, “accuracy” refers solely to the value labeled “HLE Accuracy” or a clear equivalent metric if the data’s presentation or terminology is restructured, regardless of the model’s Calibration Error or any other displayed metric.\n\nThe resolution source will be the official Humanity’s Last Exam leaderboard at https://agi.safe.ai/. If the resolution source becomes unavailable during the listed timeframe, this market will remain open to allow the relevant data to become available again. If the source remains unavailable after the end of the listed timeframe or is otherwise confirmed to be permanently unavailable, official Humanity’s Last Exam results published elsewhere may be used. If no official alternative source is available, this market will resolve to \"No\".",
        "arbitration_model": "uma_oracle",
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      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 70,
      "question_id": "CMX-E69097D5C6",
      "also_on": null,
      "tags": [
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        "humanity's last exam",
        "openai",
        "openai model score"
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    "ref": "CM-EVT-NMKP6F3908",
    "terms": "Attribution required. clearmarket.fyi"
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}