diff --git a/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.stories.tsx b/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.stories.tsx
index 53dc60d4e0..6af8ea1529 100644
--- a/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.stories.tsx
+++ b/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.stories.tsx
@@ -183,11 +183,33 @@ export const EditSaveSubmits: Story = {
 	play: async ({ canvasElement, args }) => {
 		const canvas = within(canvasElement);
 		const save = canvas.getByRole("button", { name: /^update model$/i });
+		// Update is disabled until the user makes a change.
+		await expect(save).toBeDisabled();
+		await userEvent.type(canvas.getByLabelText(/display name/i), " (updated)");
+		await expect(save).toBeEnabled();
 		await userEvent.click(save);
 		await expect(args.onUpdateModel).toHaveBeenCalledTimes(1);
 	},
 };
 
+export const EditUpdateDisabledUntilDirty: Story = {
+	args: {
+		editingModel: mockGPT5,
+		onDeleteModel: fn(async () => undefined),
+	},
+	play: async ({ canvasElement }) => {
+		const canvas = within(canvasElement);
+		const save = canvas.getByRole("button", { name: /^update model$/i });
+		await expect(save).toBeDisabled();
+		const displayName = canvas.getByLabelText(/display name/i);
+		await userEvent.type(displayName, " (edited)");
+		await expect(save).toBeEnabled();
+		await userEvent.clear(displayName);
+		await userEvent.type(displayName, mockGPT5.display_name);
+		await expect(save).toBeDisabled();
+	},
+};
+
 export const CostTrackingExpanded: Story = {
 	args: {
 		editingModel: mockGPT5,
diff --git a/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.tsx b/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.tsx
index e20ac5673d..1f16c44d31 100644
--- a/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.tsx
+++ b/site/src/pages/AISettingsPage/ModelsPage/components/ModelForm.tsx
@@ -235,7 +235,8 @@ export const ModelForm: FC<ModelFormProps> = ({
 		!hasFieldErrors &&
 		form.values.model.trim().length > 0 &&
 		contextLimitValid &&
-		compressionThresholdValid;
+		compressionThresholdValid &&
+		(!isEditing || form.dirty);
 
 	const handleConfirmReplaceDefault = () => {
 		replaceDefaultConfirmedRef.current = true;