diff --git a/datasette/static/app.css b/datasette/static/app.css
index d24a7831..e67be340 100644
--- a/datasette/static/app.css
+++ b/datasette/static/app.css
@@ -1979,7 +1979,8 @@ textarea.row-edit-input {
     border-right: none;
 }
 
-.row-edit-bulk-preview-null {
+.row-edit-bulk-preview-null,
+.row-edit-bulk-preview-auto {
     color: var(--muted);
     font-style: italic;
 }
diff --git a/datasette/static/edit-tools.js b/datasette/static/edit-tools.js
index 2712ffe7..7e02ac0f 100644
--- a/datasette/static/edit-tools.js
+++ b/datasette/static/edit-tools.js
@@ -6038,6 +6038,25 @@ function bulkInsertPreviewValue(value) {
   return String(value);
 }
 
+function bulkInsertPreviewCell(column, hasValue, value) {
+  if (!hasValue && column.is_auto_pk) {
+    return {
+      text: "auto",
+      className: "row-edit-bulk-preview-auto",
+    };
+  }
+  if (value === null) {
+    return {
+      text: bulkInsertPreviewValue(value),
+      className: "row-edit-bulk-preview-null",
+    };
+  }
+  return {
+    text: hasValue ? bulkInsertPreviewValue(value) : "",
+    className: "",
+  };
+}
+
 function renderBulkInsertPreview(state, rows) {
   state.bulkInsertPreview.textContent = "";
   var summary = document.createElement("p");
@@ -6068,9 +6087,10 @@ function renderBulkInsertPreview(state, rows) {
       var td = document.createElement("td");
       var hasValue = Object.prototype.hasOwnProperty.call(row, column.name);
       var value = hasValue ? row[column.name] : "";
-      td.textContent = hasValue ? bulkInsertPreviewValue(value) : "";
-      if (value === null) {
-        td.className = "row-edit-bulk-preview-null";
+      var cell = bulkInsertPreviewCell(column, hasValue, value);
+      td.textContent = cell.text;
+      if (cell.className) {
+        td.className = cell.className;
       }
       tr.appendChild(td);
     });
diff --git a/datasette/views/table.py b/datasette/views/table.py
index caece7fd..b658f61e 100644
--- a/datasette/views/table.py
+++ b/datasette/views/table.py
@@ -205,7 +205,7 @@ class TableContext(Context):
     )
     table_insert_ui: dict = field(
         metadata={
-            "help": "Information needed to enable the row insertion UI, or ``None`` if row insertion is not available to the current actor. When present it has ``path``, ``tableName``, ``columns`` and ``primaryKeys`` keys; each column includes ``name``, ``sqlite_type``, ``notnull``, ``default``, ``has_default``, ``is_pk``, ``value_kind`` and ``column_type`` keys."
+            "help": "Information needed to enable the row insertion UI, or ``None`` if row insertion is not available to the current actor. When present it has ``path``, ``tableName``, ``columns`` and ``primaryKeys`` keys; each column includes ``name``, ``sqlite_type``, ``notnull``, ``default``, ``has_default``, ``is_pk``, ``is_auto_pk``, ``value_kind`` and ``column_type`` keys."
         }
     )
     table_alter_ui: dict = field(
@@ -507,6 +507,7 @@ async def _table_insert_ui(
             "default": column.default_value,
             "has_default": column.default_value is not None,
             "is_pk": is_pk,
+            "is_auto_pk": is_auto_pk,
             "value_kind": _column_value_kind_for_insert_form(column),
             "column_type": (
                 {"type": column_type.name, "config": column_type.config}
diff --git a/docs/template_context.rst b/docs/template_context.rst
index ad62995c..89de7293 100644
--- a/docs/template_context.rst
+++ b/docs/template_context.rst
@@ -389,7 +389,7 @@ Many of these keys are shared with the :ref:`JSON API <json_api>` for this page.
     SQL definition for this table
 
 ``table_insert_ui`` - ``dict``
-    Information needed to enable the row insertion UI, or ``None`` if row insertion is not available to the current actor. When present it has ``path``, ``tableName``, ``columns`` and ``primaryKeys`` keys; each column includes ``name``, ``sqlite_type``, ``notnull``, ``default``, ``has_default``, ``is_pk``, ``value_kind`` and ``column_type`` keys.
+    Information needed to enable the row insertion UI, or ``None`` if row insertion is not available to the current actor. When present it has ``path``, ``tableName``, ``columns`` and ``primaryKeys`` keys; each column includes ``name``, ``sqlite_type``, ``notnull``, ``default``, ``has_default``, ``is_pk``, ``is_auto_pk``, ``value_kind`` and ``column_type`` keys.
 
 ``table_page_data`` - ``dict``
     JSON data used by JavaScript on the table page. Includes ``database``, ``table`` and ``tableUrl``, plus optional ``foreignKeys`` mapping column names to autocomplete URLs, optional ``insertRow`` data and optional ``alterTable`` data.
diff --git a/tests/test_playwright.py b/tests/test_playwright.py
index 421b86f8..27967d8b 100644
--- a/tests/test_playwright.py
+++ b/tests/test_playwright.py
@@ -1329,6 +1329,7 @@ def test_bulk_insert_omits_columns_absent_from_pasted_input(page, datasette_serv
     preview_text = dialog.locator(".row-edit-bulk-preview-table").inner_text()
     assert "Only title" in preview_text
     assert "undefined" not in preview_text
+    assert dialog.locator(".row-edit-bulk-preview-auto").inner_text() == "auto"
 
     dialog.locator(".row-edit-save").click()
     dialog.locator(