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"meta": {
"title": "StreamAV-Bench Leaderboard",
"tagline": "Streaming systems, evaluated while they run.",
"description": "Official metric-wise results for streaming audio-video generation across progressive and interactive evaluation tracks.",
"systemCount": 13,
"metricCount": 32,
"scenarioCount": 320,
"durationSeconds": 180,
"publishedPrecision": 3,
"links": {
"project": "https://liukqchoco.github.io/StreamAVBench/",
"code": "https://github.com/liukqchoco/StreamAVBench-Code",
"paper": "",
"dataset": ""
}
},
"tracks": [
{
"id": "shared",
"label": "Shared",
"count": 9,
"description": "Quality, alignment, continuity, and efficiency metrics applied across both tracks."
},
{
"id": "progressive",
"label": "Progressive",
"count": 12,
"description": "Instruction adherence and long-horizon stability under one global prompt."
},
{
"id": "interactive",
"label": "Interactive",
"count": 11,
"description": "Runtime-update response, state retention, and reuse under prompt updates."
},
{
"id": "diagnostics",
"label": "Diagnostics",
"count": 4,
"description": "Success- and coverage-adjusted diagnostics that jointly account for update success and source-state coverage."
}
],
"categories": [
{
"id": "quality",
"track": "shared",
"label": "Quality & Alignment",
"shortLabel": "Quality",
"description": "Perceptual quality and semantic or temporal correspondence between audio and video.",
"defaultMetric": "va",
"metrics": ["va", "vq", "pq", "aq", "avalign", "avsync"]
},
{
"id": "streaming",
"track": "shared",
"label": "Continuity & Efficiency",
"shortLabel": "Streaming",
"description": "Technical continuity at native generation boundaries, throughput, and startup latency.",
"defaultMetric": "nbc",
"metrics": ["nbc", "fps", "ttfc"]
},
{
"id": "adherence",
"track": "progressive",
"label": "Instruction Adherence",
"shortLabel": "Adherence",
"description": "Full-rollout fulfillment and endpoint drift for fixed visual and audio requirements.",
"defaultMetric": "vif",
"metrics": ["vif", "aif", "vid", "aid"]
},
{
"id": "stability",
"track": "progressive",
"label": "Long-Horizon Stability",
"shortLabel": "Stability",
"description": "Quality drift, visual consistency, and audio-video drift over the 180-second rollout.",
"defaultMetric": "va_d",
"metrics": ["va_d", "vq_d", "pq_d", "aq_d", "sc", "bc", "avalign_d", "avsync_d"]
},
{
"id": "response",
"track": "interactive",
"label": "Interactive Response",
"shortLabel": "Response",
"description": "Update fulfillment, transition continuity, achievement rate, and successful-response latency.",
"defaultMetric": "vuf",
"metrics": ["vuf", "auf", "pvc", "pac", "pvuar", "pauar", "pvrl", "parl"]
},
{
"id": "state",
"track": "interactive",
"label": "State Retention & Reuse",
"shortLabel": "State",
"description": "Preservation of untargeted states and correct reuse of information established earlier.",
"defaultMetric": "vsr",
"metrics": ["vsr", "asr", "hdf"]
},
{
"id": "adjusted",
"track": "diagnostics",
"label": "Success & Coverage Adjustments",
"shortLabel": "Adjusted",
"description": "Adjusted diagnostics that penalize unachieved updates and unestablished dependency sources; these are reported separately from the 32 core metrics.",
"defaultMetric": "sa_pvrl",
"metrics": ["sa_pvrl", "sa_parl", "ca_hdf_a", "ca_hdf_l"]
}
],
"metrics": {
"va": {
"abbr": "VA",
"name": "Visual Aesthetics",
"direction": "higher",
"range": "[0, 1]",
"unit": "",
"evaluator": "LAION Aesthetic Predictor",
"description": "Perceptual visual appeal, averaged over six 30-second intervals."
},
"vq": {
"abbr": "VQ",
"name": "Visual Quality",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Visual fidelity, subject integrity, motion naturalness, and artifact control."
},
"pq": {
"abbr": "PQ",
"name": "Production Quality",
"direction": "higher",
"range": "Original evaluator scale",
"unit": "",
"evaluator": "Audiobox Aesthetics",
"description": "Perceptual and production fidelity of the generated audio."
},
"aq": {
"abbr": "AQ",
"name": "Audio Quality",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Audio naturalness and artifact control."
},
"avalign": {
"abbr": "AVAlign",
"name": "Audio-Video Alignment",
"direction": "higher",
"range": "Cosine similarity",
"unit": "",
"evaluator": "ImageBind",
"description": "Semantic correspondence between generated audio and visual content."
},
"avsync": {
"abbr": "AVSync",
"name": "Audio-Video Synchronization",
"direction": "lower",
"range": "≥ 0",
"unit": "s",
"evaluator": "Synchformer",
"description": "Absolute predicted temporal offset between audio and video."
},
"nbc": {
"abbr": "NBC",
"name": "Native Boundary Continuity",
"direction": "higher",
"range": "[0, 100]",
"unit": "",
"evaluator": "Deterministic artifact detector",
"description": "Continuity at model-native generation-unit boundaries, accounting for black frames, repetition, freezing, and flashes."
},
"fps": {
"abbr": "FPS",
"name": "Frames per Second",
"direction": "higher",
"range": "≥ 0",
"unit": "fps",
"evaluator": "Runtime measurement",
"description": "Generated video frames per unit generation time under the default recommended configuration."
},
"ttfc": {
"abbr": "TTFC",
"name": "Time to First Chunk",
"direction": "lower",
"range": "≥ 0",
"unit": "s",
"evaluator": "Runtime measurement",
"description": "Elapsed time from receiving a generation request to producing the first output chunk."
},
"vif": {
"abbr": "VIF",
"name": "Video Instruction Fulfillment",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro + case checklist",
"description": "Completeness of visual requirements over the full progressive output."
},
"aif": {
"abbr": "AIF",
"name": "Audio Instruction Fulfillment",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro + case checklist",
"description": "Completeness of audio requirements over the full progressive output."
},
"vid": {
"abbr": "VID",
"name": "Video Instruction Drift",
"direction": "lower",
"range": "[0, 4]",
"unit": "",
"evaluator": "Gemini 3.1 Pro + case checklist",
"description": "Absolute change in visual instruction adherence between the first and last intervals."
},
"aid": {
"abbr": "AID",
"name": "Audio Instruction Drift",
"direction": "lower",
"range": "[0, 4]",
"unit": "",
"evaluator": "Gemini 3.1 Pro + case checklist",
"description": "Absolute change in audio instruction adherence between the first and last intervals."
},
"va_d": {
"abbr": "VA-D",
"name": "Visual Aesthetics Drift",
"direction": "lower",
"range": "VA units",
"unit": "",
"evaluator": "LAION Aesthetic Predictor",
"description": "Absolute change in visual aesthetics between the first and last intervals."
},
"vq_d": {
"abbr": "VQ-D",
"name": "Visual Quality Drift",
"direction": "lower",
"range": "VQ units",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Absolute change in visual quality between the first and last intervals."
},
"pq_d": {
"abbr": "PQ-D",
"name": "Production Quality Drift",
"direction": "lower",
"range": "PQ units",
"unit": "",
"evaluator": "Audiobox Aesthetics",
"description": "Absolute change in production quality between the first and last intervals."
},
"aq_d": {
"abbr": "AQ-D",
"name": "Audio Quality Drift",
"direction": "lower",
"range": "AQ units",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Absolute change in audio quality between the first and last intervals."
},
"sc": {
"abbr": "SC",
"name": "Subject Consistency",
"direction": "higher",
"range": "Original evaluator scale",
"unit": "",
"evaluator": "VBench-Long protocol",
"description": "Temporal consistency of subject appearance over the generated sequence."
},
"bc": {
"abbr": "BC",
"name": "Background Consistency",
"direction": "higher",
"range": "Original evaluator scale",
"unit": "",
"evaluator": "VBench-Long protocol",
"description": "Temporal consistency of background scenes over the generated sequence."
},
"avalign_d": {
"abbr": "AVAlign-D",
"name": "Audio-Video Alignment Drift",
"direction": "lower",
"range": "AVAlign units",
"unit": "",
"evaluator": "ImageBind",
"description": "Absolute change in audio-video semantic correspondence between the first and last intervals."
},
"avsync_d": {
"abbr": "AVSync-D",
"name": "Audio-Video Synchronization Drift",
"direction": "lower",
"range": "AVSync units",
"unit": "s",
"evaluator": "Synchformer",
"description": "Absolute change in audio-video synchronization offset between the first and last intervals."
},
"vuf": {
"abbr": "VUF",
"name": "Video Update Fulfillment",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro + update checklist",
"description": "Completeness of each runtime update's visual targets."
},
"auf": {
"abbr": "AUF",
"name": "Audio Update Fulfillment",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro + update checklist",
"description": "Completeness of each runtime update's audio targets."
},
"pvc": {
"abbr": "PVC",
"name": "Prompt-Based Visual Continuity",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Boundary detector + Gemini 3.1 Pro",
"description": "Visual continuity across prompt-update boundaries while allowing requested changes."
},
"pac": {
"abbr": "PAC",
"name": "Prompt-Based Audio Continuity",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Audio continuity across prompt-update boundaries while allowing requested changes."
},
"pvuar": {
"abbr": "PVUAR",
"name": "Prompt-Based Visual Update Achievement Rate",
"direction": "higher",
"range": "[0, 1]",
"unit": "",
"evaluator": "Gemini 3.1 Pro + update checklist",
"description": "Fraction of applicable visual updates whose core target is clearly realized."
},
"pauar": {
"abbr": "PAUAR",
"name": "Prompt-Based Audio Update Achievement Rate",
"direction": "higher",
"range": "[0, 1]",
"unit": "",
"evaluator": "Gemini 3.1 Pro + update checklist",
"description": "Fraction of applicable audio updates whose core target is clearly realized."
},
"pvrl": {
"abbr": "PVRL",
"name": "Prompt-Based Visual Response Latency",
"direction": "lower",
"range": "Media time",
"unit": "s",
"evaluator": "Media-time measurement",
"description": "Conditional latency to the first clear realization of an achieved visual target."
},
"parl": {
"abbr": "PARL",
"name": "Prompt-Based Audio Response Latency",
"direction": "lower",
"range": "Media time",
"unit": "s",
"evaluator": "Media-time measurement",
"description": "Conditional latency to the first clear realization of an achieved audio target."
},
"vsr": {
"abbr": "VSR",
"name": "Visual State Retention",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Preservation of subject appearance and environment after accounting for requested changes."
},
"asr": {
"abbr": "ASR",
"name": "Audio State Retention",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Preservation of recurring music, ambience, and persistent sounds not targeted by an update."
},
"hdf": {
"abbr": "HDF",
"name": "History-Dependency Following",
"direction": "higher",
"range": "1–5",
"unit": "",
"evaluator": "Gemini 3.1 Pro",
"description": "Correct execution of updates using relevant earlier states, evaluated only when the required source state was established."
},
"sa_pvrl": {
"abbr": "SA-PVRL",
"name": "Success-Adjusted Visual Response Latency",
"direction": "lower",
"range": "[0, 30]",
"unit": "s",
"evaluator": "Achievement-adjusted media-time measurement",
"description": "Visual response latency with the 30-second observation-window cap assigned to every unachieved target."
},
"sa_parl": {
"abbr": "SA-PARL",
"name": "Success-Adjusted Audio Response Latency",
"direction": "lower",
"range": "[0, 30]",
"unit": "s",
"evaluator": "Achievement-adjusted media-time measurement",
"description": "Audio response latency with the 30-second observation-window cap assigned to every unachieved target."
},
"ca_hdf_a": {
"abbr": "CA-HDF-A",
"name": "Coverage-Adjusted Adjacent HDF",
"direction": "higher",
"range": "[0, 1]",
"unit": "",
"evaluator": "Source establishment + normalized conditional HDF",
"description": "Adjacent-dependency quality normalized to [0,1], with unestablished source states assigned zero."
},
"ca_hdf_l": {
"abbr": "CA-HDF-L",
"name": "Coverage-Adjusted Long-Range HDF",
"direction": "higher",
"range": "[0, 1]",
"unit": "",
"evaluator": "Source establishment + normalized conditional HDF",
"description": "Long-range dependency quality normalized to [0,1], with unestablished source states assigned zero."
}
},
"models": [
{
"name": "PixVerse R1",
"paradigm": "Native joint",
"access": "Web",
"reference": "https://pixverse.ai/en/blog/pixverse-launches-r1-real-time-world-model",
"scores": {
"va": 0.529, "vq": 2.428, "pq": 6.348, "aq": 2.810, "avalign": 0.234, "avsync": 0.855,
"nbc": null, "fps": null, "ttfc": null,
"vif": 2.976, "aif": 2.511, "vid": 0.484, "aid": 0.425,
"va_d": 0.032, "vq_d": 0.253, "pq_d": 0.421, "aq_d": 0.626, "sc": 0.907, "bc": 0.930, "avalign_d": 0.065, "avsync_d": 0.579,
"vuf": 2.573, "auf": 2.895, "pvc": 4.278, "pac": 2.544, "pvuar": 0.350, "pauar": 0.466, "pvrl": 12.992, "parl": 10.352,
"vsr": 2.430, "asr": 4.108, "hdf": 2.461,
"sa_pvrl": 24.011, "sa_parl": 20.855, "ca_hdf_a": 0.232, "ca_hdf_l": 0.234
}
},
{
"name": "HappyOyster",
"paradigm": "Native joint",
"access": "Web",
"reference": "https://www.alizila.com/alibaba-launches-happyoyster-a-world-model-product-for-real-time-immersive-creation-and-interaction/",
"scores": {
"va": 0.529, "vq": 2.785, "pq": 6.817, "aq": 3.157, "avalign": 0.206, "avsync": 1.044,
"nbc": null, "fps": null, "ttfc": null,
"vif": 3.565, "aif": 2.692, "vid": 0.510, "aid": 0.508,
"va_d": 0.032, "vq_d": 0.417, "pq_d": 0.623, "aq_d": 0.411, "sc": 0.904, "bc": 0.934, "avalign_d": 0.077, "avsync_d": 0.534,
"vuf": 2.975, "auf": 2.879, "pvc": 3.744, "pac": 3.509, "pvuar": 0.518, "pauar": 0.488, "pvrl": 14.484, "parl": 13.621,
"vsr": 2.799, "asr": 3.772, "hdf": 2.817,
"sa_pvrl": 21.991, "sa_parl": 21.861, "ca_hdf_a": 0.354, "ca_hdf_l": 0.306
}
},
{
"name": "OmniForcing",
"paradigm": "Native joint",
"access": "Open",
"reference": "https://arxiv.org/abs/2603.11647",
"scores": {
"va": 0.554, "vq": 2.374, "pq": 6.351, "aq": 2.528, "avalign": 0.119, "avsync": 1.423,
"nbc": 98.808, "fps": 12.799, "ttfc": 3.998,
"vif": 2.423, "aif": 2.343, "vid": 0.572, "aid": 0.277,
"va_d": 0.083, "vq_d": 0.273, "pq_d": 0.429, "aq_d": 0.506, "sc": 0.962, "bc": 0.953, "avalign_d": 0.081, "avsync_d": 0.479,
"vuf": 1.848, "auf": 2.242, "pvc": 4.161, "pac": 3.369, "pvuar": 0.053, "pauar": 0.316, "pvrl": 13.295, "parl": 7.925,
"vsr": 2.624, "asr": 3.388, "hdf": 2.487,
"sa_pvrl": 29.128, "sa_parl": 23.046, "ca_hdf_a": 0.136, "ca_hdf_l": 0.109
}
},
{
"name": "Odyssey-2",
"paradigm": "Cascaded",
"access": "Web",
"reference": "https://odyssey.ml/introducing-odyssey-2",
"scores": {
"va": 0.531, "vq": 2.820, "pq": 6.426, "aq": 2.659, "avalign": 0.260, "avsync": 0.946,
"nbc": null, "fps": null, "ttfc": null,
"vif": 3.106, "aif": 2.778, "vid": 0.500, "aid": 0.566,
"va_d": 0.040, "vq_d": 0.463, "pq_d": 0.362, "aq_d": 0.456, "sc": 0.976, "bc": 0.966, "avalign_d": 0.064, "avsync_d": 0.548,
"vuf": 2.408, "auf": 2.244, "pvc": 3.919, "pac": 1.749, "pvuar": 0.274, "pauar": 0.308, "pvrl": 18.758, "parl": 15.733,
"vsr": 2.836, "asr": 2.707, "hdf": 2.554,
"sa_pvrl": 26.838, "sa_parl": 25.611, "ca_hdf_a": 0.196, "ca_hdf_l": 0.168
}
},
{
"name": "Self-Forcing",
"paradigm": "Cascaded",
"access": "Open",
"reference": "https://arxiv.org/abs/2506.08009",
"scores": {
"va": 0.585, "vq": 2.753, "pq": 6.453, "aq": 2.623, "avalign": 0.256, "avsync": 0.919,
"nbc": 94.359, "fps": 15.628, "ttfc": 1.278,
"vif": 3.019, "aif": 2.810, "vid": 0.373, "aid": 0.457,
"va_d": 0.025, "vq_d": 0.323, "pq_d": 0.341, "aq_d": 0.488, "sc": 0.981, "bc": 0.969, "avalign_d": 0.054, "avsync_d": 0.476,
"vuf": 2.237, "auf": 2.339, "pvc": 3.912, "pac": 1.784, "pvuar": 0.185, "pauar": 0.334, "pvrl": 14.164, "parl": 12.369,
"vsr": 2.851, "asr": 2.813, "hdf": 2.348,
"sa_pvrl": 27.081, "sa_parl": 24.156, "ca_hdf_a": 0.206, "ca_hdf_l": 0.169
}
},
{
"name": "LongLive",
"paradigm": "Cascaded",
"access": "Open",
"reference": "https://arxiv.org/abs/2509.22622",
"scores": {
"va": 0.605, "vq": 2.768, "pq": 6.459, "aq": 2.696, "avalign": 0.272, "avsync": 0.969,
"nbc": 85.418, "fps": 10.125, "ttfc": 1.381,
"vif": 3.164, "aif": 2.814, "vid": 0.317, "aid": 0.581,
"va_d": 0.023, "vq_d": 0.367, "pq_d": 0.280, "aq_d": 0.475, "sc": 0.986, "bc": 0.973, "avalign_d": 0.052, "avsync_d": 0.476,
"vuf": 2.341, "auf": 2.138, "pvc": 3.631, "pac": 1.809, "pvuar": 0.241, "pauar": 0.266, "pvrl": 11.792, "parl": 13.078,
"vsr": 2.724, "asr": 2.712, "hdf": 2.212,
"sa_pvrl": 25.575, "sa_parl": 25.490, "ca_hdf_a": 0.186, "ca_hdf_l": 0.187
}
},
{
"name": "Rolling-Forcing",
"paradigm": "Cascaded",
"access": "Open",
"reference": "https://arxiv.org/abs/2509.25161",
"scores": {
"va": 0.572, "vq": 2.757, "pq": 6.393, "aq": 2.673, "avalign": 0.265, "avsync": 1.078,
"nbc": 96.657, "fps": 10.603, "ttfc": 2.962,
"vif": 3.009, "aif": 2.858, "vid": 0.425, "aid": 0.474,
"va_d": 0.043, "vq_d": 0.427, "pq_d": 0.329, "aq_d": 0.425, "sc": 0.980, "bc": 0.966, "avalign_d": 0.064, "avsync_d": 0.506,
"vuf": 2.315, "auf": 2.221, "pvc": 4.086, "pac": 1.800, "pvuar": 0.217, "pauar": 0.298, "pvrl": 13.234, "parl": 12.820,
"vsr": 2.542, "asr": 2.597, "hdf": 2.502,
"sa_pvrl": 26.355, "sa_parl": 24.941, "ca_hdf_a": 0.250, "ca_hdf_l": 0.155
}
},
{
"name": "Deep Forcing",
"paradigm": "Cascaded",
"access": "Open",
"reference": "https://arxiv.org/abs/2512.05081",
"scores": {
"va": 0.597, "vq": 2.632, "pq": 6.523, "aq": 2.668, "avalign": 0.280, "avsync": 0.878,
"nbc": 92.482, "fps": 11.065, "ttfc": 1.397,
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}
]
}
|