{
  "api_version": "1",
  "updated": "2026-11-05",
  "latest_event": "2026-11-04",
  "rights": "© Frontier Log, all rights reserved.",
  "model": {
    "slug": "hy4",
    "name": "Hy4",
    "lab": "tencent",
    "date": "2026-11-04",
    "source": "https://hy.tencent.ai/research/hy4",
    "source_title": "Introducing Hy4",
    "flagship": false,
    "event": "https://frontierlog.ai/event/2026-11-04-hy4",
    "releases": [
      "https://frontierlog.ai/event/2026-08-28-hy4-preview"
    ],
    "variant_of": null,
    "made_by": "Tencent",
    "url": "https://frontierlog.ai/model/hy4",
    "results": [
      {
        "id": "hy4:deepswe-1-1:default:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "deepswe-1-1",
        "benchmark_name": "DeepSWE v1.1",
        "setting": "default",
        "setting_name": "",
        "score": 74.9,
        "unit": "%",
        "printed": "74.9",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'DeepSWE v1.1', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "mini-swe-agent harness; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:terminal-bench-4-0:default:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "terminal-bench-4-0",
        "benchmark_name": "Terminal-Bench 4.0",
        "setting": "default",
        "setting_name": "",
        "score": 44.4,
        "unit": "%",
        "printed": "44.4",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'Terminal-Bench 4.0', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "Claude Code harness; up to 500 turns and a 13h timeout per trial; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:agents-last-exam-1-1:pass:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "agents-last-exam-1-1",
        "benchmark_name": "Agents' Last Exam v1.1",
        "setting": "pass",
        "setting_name": "Pass rate",
        "score": 41.0,
        "unit": "%",
        "printed": "41.0",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'Agents' Last Exam v1.1 (Pass Rate)', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "harness and subset not stated; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:automationbench:default:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "automationbench",
        "benchmark_name": "AutomationBench",
        "setting": "default",
        "setting_name": "",
        "score": 56.2,
        "unit": "%",
        "printed": "56.2",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'AutomationBench v1.0.6', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "AutomationBench v1.0.6; 600 public tasks; official method; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:hle:with-tools:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "hle",
        "benchmark_name": "Humanity's Last Exam",
        "setting": "with-tools",
        "setting_name": "With tools",
        "score": 59.1,
        "unit": "%",
        "printed": "59.1",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'HLE-Full (with tools)', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "full set; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:terminal-bench-science-0-1:default:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "terminal-bench-science-0-1",
        "benchmark_name": "Terminal-Bench Science 0.1",
        "setting": "default",
        "setting_name": "",
        "score": 19.8,
        "unit": "%",
        "printed": "19.8",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'Terminal-Bench-Science 0.1', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "Claude Code harness; up to 500 turns and a 13h timeout per trial; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:osworld-2-1:partial:1",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "osworld-2-1",
        "benchmark_name": "OSWorld 2.1",
        "setting": "partial",
        "setting_name": "Full set, partial score",
        "score": 78.9,
        "unit": "%",
        "printed": "78.9",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'OSWorld 2.1 (Full, partial score)', column 'Hy4'",
        "own": true,
        "primary": true,
        "parallel": false,
        "notes": "harness not stated; highest reasoning setting",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:terminal-bench-4-0:default:2",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "terminal-bench-4-0",
        "benchmark_name": "Terminal-Bench 4.0",
        "setting": "default",
        "setting_name": "",
        "score": 26.3,
        "unit": "%",
        "printed": "26.3",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4 preview",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'Terminal-Bench 4.0', column 'Hy4 preview'",
        "own": true,
        "primary": false,
        "parallel": false,
        "notes": "Hy4 preview, re-evaluated at Hy4 launch; Claude Code harness; up to 500 turns and a 13h timeout per trial",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:automationbench:default:2",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "automationbench",
        "benchmark_name": "AutomationBench",
        "setting": "default",
        "setting_name": "",
        "score": 36.3,
        "unit": "%",
        "printed": "36.3",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4 preview",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'AutomationBench v1.0.6', column 'Hy4 preview'",
        "own": true,
        "primary": false,
        "parallel": false,
        "notes": "Hy4 preview, re-evaluated at Hy4 launch; AutomationBench v1.0.6; 600 public tasks; official method",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:hle:with-tools:2",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "hle",
        "benchmark_name": "Humanity's Last Exam",
        "setting": "with-tools",
        "setting_name": "With tools",
        "score": 57.3,
        "unit": "%",
        "printed": "57.3",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4 preview",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'HLE-Full (with tools)', column 'Hy4 preview' (dagger: text-only subset)",
        "own": true,
        "primary": false,
        "parallel": false,
        "notes": "Hy4 preview, re-evaluated at Hy4 launch; text-only subset",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      },
      {
        "id": "hy4:terminal-bench-science-0-1:default:2",
        "model": "hy4",
        "model_name": "Hy4",
        "model_date": "2026-11-04",
        "event": "https://frontierlog.ai/event/2026-11-04-hy4",
        "benchmark": "terminal-bench-science-0-1",
        "benchmark_name": "Terminal-Bench Science 0.1",
        "setting": "default",
        "setting_name": "",
        "score": 16.2,
        "unit": "%",
        "printed": "16.2",
        "reported_by": "tencent",
        "run_by": null,
        "label": "Hy4 preview",
        "source": "https://hy.tencent.ai/research/hy4",
        "source_title": "Introducing Hy4",
        "source_date": "2026-11-04",
        "where": "'Appendix: benchmark results' table image, row 'Terminal-Bench-Science 0.1', column 'Hy4 preview'",
        "own": true,
        "primary": false,
        "parallel": false,
        "notes": "Hy4 preview, re-evaluated at Hy4 launch; Claude Code harness; up to 500 turns and a 13h timeout per trial",
        "caveat": "",
        "human_verified": true,
        "human_verified_on": "2026-11-05",
        "check": "human",
        "corroborated": false,
        "corroborated_on": null,
        "corroborated_by": [],
        "source_image": "https://frontierlog.ai/sources/8fc24d0f588e6069.jpg",
        "source_image_original": "https://hy-model-ap-prod-1258344703.cos.ap-guangzhou.myqcloud.com/llm-blog/default/9a5ea02f/2026110402023072_85b416b6484a88ef96ef6edda563b560.jpg?q-sign-algorithm=sha1&q-ak=AKIDRl074nOsGdJ9zjMsCRWP3ShmgS3VtX4S&q-sign-time=1793728954;2109088954&q-key-time=1793728954;2109088954&q-header-list=&q-url-param-list=&q-signature=747236201b67dd4e9872ed806c8de224d0ca57c1"
      }
    ],
    "price": [
      {
        "from": "2026-11-04",
        "listed": false,
        "currency": "USD",
        "input_per_1m": 0.834,
        "cached_input_per_1m": 0.042,
        "cached_input_derived": false,
        "output_per_1m": 2.501,
        "cache": {
          "kind": "price"
        },
        "tiers": [],
        "printed": {
          "input": "$0.834",
          "cached_input": "$0.042",
          "output": "$2.501"
        },
        "printed_unit": "1M tokens",
        "notes": "List price, billed at 50% until 31 Dec 2026 (Beijing time)",
        "sources": [
          "https://hy.tencent.ai/research/hy4",
          "https://intl.cloud.tencent.com/document/product/1300/78937"
        ],
        "check": "human"
      }
    ],
    "context": {
      "from": "2026-11-04",
      "listed": false,
      "window_tokens": 1000000,
      "input_tokens": 960000,
      "output_tokens": 64000,
      "tiers": [],
      "printed": {
        "window": "1M",
        "input": "960k",
        "output": "64k"
      },
      "notes": "",
      "sources": [
        "https://hy.tencent.ai/research/hy4-preview",
        "https://intl.cloud.tencent.com/document/product/1300/80695"
      ],
      "check": "corroborated"
    },
    "prices": [
      {
        "from": "2026-11-04",
        "listed": false,
        "currency": "USD",
        "input_per_1m": 0.834,
        "cached_input_per_1m": 0.042,
        "cached_input_derived": false,
        "output_per_1m": 2.501,
        "cache": {
          "kind": "price"
        },
        "tiers": [],
        "printed": {
          "input": "$0.834",
          "cached_input": "$0.042",
          "output": "$2.501"
        },
        "printed_unit": "1M tokens",
        "notes": "List price, billed at 50% until 31 Dec 2026 (Beijing time)",
        "sources": [
          "https://hy.tencent.ai/research/hy4",
          "https://intl.cloud.tencent.com/document/product/1300/78937"
        ],
        "check": "human"
      }
    ],
    "context_history": [
      {
        "from": "2026-11-04",
        "listed": false,
        "window_tokens": 1000000,
        "input_tokens": 960000,
        "output_tokens": 64000,
        "tiers": [],
        "printed": {
          "window": "1M",
          "input": "960k",
          "output": "64k"
        },
        "notes": "",
        "sources": [
          "https://hy.tencent.ai/research/hy4-preview",
          "https://intl.cloud.tencent.com/document/product/1300/80695"
        ],
        "check": "corroborated"
      }
    ],
    "stories": []
  }
}