Update README.md

README.md

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 ## Overview
 Video reasoning grounds intelligence in spatiotemporally consistent visual environments that go beyond what text can naturally capture, enabling intuitive reasoning over motion, interaction, and causality. Rapid progress in video models has focused primarily on visual quality. Systematically studying video reasoning and its scaling behavior suffers from a lack of video reasoning (training) data. To address this gap, we introduce the Very Big Video Reasoning (VBVR) Dataset, an unprecedentedly large-scale resource spanning 200 curated reasoning tasks and over one million video clips—approximately three orders of magnitude larger than existing datasets. We further present VBVR-Bench, a verifiable evaluation framework that moves beyond model-based judging by incorporating rule-based, human-aligned scorers, enabling reproducible and interpretable diagnosis of video reasoning capabilities. Leveraging the VBVR suite, we conduct one of the first large-scale scaling studies of video reasoning and observe early signs of emergent generalization to unseen reasoning tasks. *Together, VBVR lays a foundation for the next stage of research in generalizable video reasoning.*
 
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     <tr>
       <th>Model</th>
       <th>Overall</th>
@@ -40,31 +40,25 @@ Video reasoning grounds intelligence in spatiotemporally consistent visual envir
       <th>OOD-Spat.</th>
       <th>OOD-Trans.</th>
     </tr>
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   <tbody>
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     <tr>
       <td><strong>Human</strong></td>
       <td>0.974</td><td>0.960</td><td>0.919</td><td>0.956</td><td>1.00</td><td>0.95</td><td>1.00</td>
       <td>0.988</td><td>1.00</td><td>1.00</td><td>0.990</td><td>1.00</td><td>0.970</td>
     </tr>
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     <tr style="background:#F2F0EF;font-weight:700;text-align:center;">
       <td colspan="14"><em>Open-source Models</em></td>
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       <td>CogVideoX1.5-5B-I2V</td>
       <td>0.273</td><td>0.283</td><td>0.241</td><td>0.328</td><td>0.257</td><td>0.328</td><td>0.305</td>
       <td>0.262</td><td><u>0.281</u></td><td>0.235</td><td>0.250</td><td><strong>0.254</strong></td><td>0.282</td>
     </tr>
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     <tr>
       <td>HunyuanVideo-I2V</td>
       <td>0.273</td><td>0.280</td><td>0.207</td><td>0.357</td><td>0.293</td><td>0.280</td><td><u>0.316</u></td>
       <td>0.265</td><td>0.175</td><td><strong>0.369</strong></td><td>0.290</td><td><u>0.253</u></td><td>0.250</td>
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     <tr>
       <td><strong>Wan2.2-I2V-A14B</strong></td>
       <td><strong>0.371</strong></td><td><strong>0.412</strong></td><td><strong>0.430</strong></td>
@@ -73,7 +67,6 @@ Video reasoning grounds intelligence in spatiotemporally consistent visual envir
       <td><strong>0.405</strong></td><td>0.308</td><td><strong>0.343</strong></td>
       <td>0.236</td><td><u>0.307</u></td>
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       <td><u>LTX-2</u></td>
       <td><u>0.313</u></td><td><u>0.329</u></td><td><u>0.316</u></td>
@@ -82,17 +75,14 @@ Video reasoning grounds intelligence in spatiotemporally consistent visual envir
       <td>0.244</td><td><u>0.337</u></td><td><u>0.317</u></td>
       <td>0.231</td><td><strong>0.311</strong></td>
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     <tr style="background:#F2F0EF;font-weight:700;text-align:center;">
       <td colspan="14"><em>Proprietary Models</em></td>
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       <td>Runway Gen-4 Turbo</td>
       <td>0.403</td><td>0.392</td><td>0.396</td><td>0.409</td><td>0.429</td><td>0.341</td><td>0.363</td>
       <td>0.414</td><td>0.515</td><td><u>0.429</u></td><td>0.419</td><td>0.327</td><td>0.373</td>
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       <td><strong>Sora 2</strong></td>
       <td><strong>0.546</strong></td><td><strong>0.569</strong></td><td><u>0.602</u></td>
@@ -101,13 +91,11 @@ Video reasoning grounds intelligence in spatiotemporally consistent visual envir
       <td><u>0.546</u></td><td><strong>0.472</strong></td><td><strong>0.525</strong></td>
       <td><strong>0.462</strong></td><td><strong>0.546</strong></td>
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       <td>Kling 2.6</td>
       <td>0.369</td><td>0.408</td><td>0.465</td><td>0.323</td><td>0.375</td><td>0.347</td><td><u>0.519</u></td>
       <td>0.330</td><td>0.528</td><td>0.135</td><td>0.272</td><td>0.356</td><td>0.359</td>
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       <td><u>Veo 3.1</u></td>
       <td><u>0.480</u></td><td><u>0.531</u></td><td><strong>0.611</strong></td>
@@ -116,11 +104,9 @@ Video reasoning grounds intelligence in spatiotemporally consistent visual envir
       <td><strong>0.577</strong></td><td>0.277</td><td><u>0.420</u></td>
       <td><u>0.441</u></td><td><u>0.404</u></td>
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     <tr style="background:#F2F0EF;font-weight:700;text-align:center;">
       <td colspan="14"><em>Data Scaling Strong Baseline</em></td>
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       <td><strong>VBVR-Wan2.2</strong></td>
       <td><strong>0.685</strong></td><td><strong>0.760</strong></td><td><strong>0.724</strong></td>
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       <td><strong>0.768</strong></td><td><strong>0.572</strong></td><td><strong>0.547</strong></td>
       <td><strong>0.618</strong></td><td><strong>0.615</strong></td>
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   </tbody>
 </table>