_gap</code></td>
<td>regression/structure</td>
<td><code>gap pbe</code> (eV)</td>
<td>106,113</td>
<td>1.3271</td>
<td><a href="https://ml.materialsproject.org/projects/matbench_mp_gap.json.gz">download</a>, <a href="https://ml.materialsproject.org/projects/matbench_mp_gap">interactive</a></td>
<td>16</td>
</tr>
<tr>
<td><code>matbench_mp_is_metal</code></td>
<td>classification/structure</td>
<td><code>is_metal</code></td>
<td>106,113</td>
<td>0.4349</td>
<td><a href="https://ml.materialsproject.org/project