diff --git a/tools/summarize_grid.py b/tools/summarize_grid.py
index fcf41b5..92a10f3 100644
--- a/tools/summarize_grid.py
+++ b/tools/summarize_grid.py
@@ -228,6 +228,24 @@ def _get_model_name(dirpath, run_name=None):
     return base
 
 
+def _get_patch_size(params):
+    if params is None:
+        return "unknown"
+    ps = _get_in_params(params, "mask.patch_size")
+    if ps is None:
+        ps = _get_in_params(params, "meta.patch_size")
+    return ps if ps is not None else "unknown"
+
+
+def _get_crop_size(params):
+    if params is None:
+        return "unknown"
+    cs = _get_in_params(params, "data.crop_size")
+    if cs is None:
+        cs = _get_in_params(params, "meta.crop_size")
+    return cs if cs is not None else "unknown"
+
+
 def _collect_rows(root_dir, metric_key, col_paths):
     rows = []
     for dirpath, _, filenames in os.walk(root_dir):
@@ -246,11 +264,13 @@ def _collect_rows(root_dir, metric_key, col_paths):
             run_name = os.path.basename(os.path.dirname(path))
             model_name = _get_model_name(dirpath, run_name)
             params = _load_params_simple(dirpath)
+            patch_size = _get_patch_size(params)
+            crop_size = _get_crop_size(params)
             col_values = [
                 _get_in_params(params, cp) for cp in col_paths
             ]
             rows.append(
-                (float(value), model_name, col_values, run_name, path)
+                (float(value), model_name, patch_size, crop_size, col_values, run_name, path)
             )
     return rows
 
@@ -348,7 +368,7 @@ def _print_results(model_type, rows, metric_key, col_headers, top, show_run_name
 
     col_widths = []
     for i, ch in enumerate(col_headers):
-        col_vals = [r[2][i] for r in display_rows]
+        col_vals = [r[4][i] for r in display_rows]
         cw = _col_width(ch, col_vals)
         col_widths.append(cw)
 
@@ -356,7 +376,7 @@ def _print_results(model_type, rows, metric_key, col_headers, top, show_run_name
     full_cols = ["#", metric_key] + col_headers
 
     if show_run_name:
-        run_name_vals = [r[3] for r in display_rows]
+        run_name_vals = [r[5] for r in display_rows]
         run_name_width = max(len("run_name"), max(len(v) for v in run_name_vals))
         widths.append(run_name_width)
         full_cols.append("run_name")
@@ -370,10 +390,10 @@ def _print_results(model_type, rows, metric_key, col_headers, top, show_run_name
 
     for idx, row in enumerate(display_rows, start=1):
         metric_str = _format_value(row[0])
-        col_strs = [_format_value(row[2][i]) for i in range(len(col_headers))]
+        col_strs = [_format_value(row[4][i]) for i in range(len(col_headers))]
         vals = [str(idx), metric_str] + col_strs
         if show_run_name:
-            vals.append(row[3])
+            vals.append(row[5])
         align = [False] + [True] * (len(full_cols) - 2) + [False]
         _print_row(vals, widths, align)
 
@@ -418,6 +438,12 @@ Examples:
         dest="show_run_name",
         help="hide the run_name column",
     )
+    parser.add_argument(
+        "--group-by",
+        default="model",
+        choices=["model", "patch_size", "crop_size"],
+        help="group results by this attribute (default: %(default)s)",
+    )
     args = parser.parse_args()
 
     rows = _collect_rows(args.root, args.metric, args.cols)
@@ -428,15 +454,21 @@ Examples:
 
     col_headers = [c.split(".")[-1] for c in args.cols]
 
+    group_key = {
+        "model": lambda r: r[1],
+        "patch_size": lambda r: str(r[2]),
+        "crop_size": lambda r: str(r[3]),
+    }[args.group_by]
+
     groups = {}
     for row in rows:
-        model = row[1]
-        groups.setdefault(model, []).append(row)
+        key = group_key(row)
+        groups.setdefault(key, []).append(row)
 
-    for model_type in sorted(groups.keys()):
-        group = groups[model_type]
+    for group_name in sorted(groups.keys()):
+        group = groups[group_name]
         group.sort(key=lambda r: r[0], reverse=True)
-        _print_results(model_type, group, args.metric, col_headers, args.top, args.show_run_name)
+        _print_results(group_name, group, args.metric, col_headers, args.top, args.show_run_name)
 
 
 if __name__ == "__main__":