diff --git a/tools/ui/src/lib/components/app/models/ModelSize.svelte b/tools/ui/src/lib/components/app/models/ModelSize.svelte
deleted file mode 100644
index 2b76a2d767..0000000000
--- a/tools/ui/src/lib/components/app/models/ModelSize.svelte
+++ /dev/null
@@ -1,81 +0,0 @@
-<script lang="ts">
-	import { modelSizeLabel } from './ModelsManager/utils';
-	import { HuggingFaceService } from '$lib/services';
-	import type { ModelOption } from '$lib/types/models';
-	import { formatFileSize } from '$lib/utils/formatters';
-
-	interface Props {
-		option: ModelOption;
-	}
-
-	let { option }: Props = $props();
-
-	// the router reports a size for some backends, that wins over a lookup
-	let reported = $derived(modelSizeLabel(option));
-	let el = $state<HTMLElement | null>(null);
-	let isNearViewport = $state(false);
-	let fetchedBytes = $state<number | null>(null);
-
-	// a repo tree costs one Hugging Face request, so wait until the row is near
-	// the viewport and only look up local GGUF quants, which are files on disk
-	let repo = $derived(option.model.split(':')[0] ?? '');
-	let quant = $derived(option.model.split(':')[1] ?? '');
-
-	$effect(() => {
-		if (isNearViewport || !el) return;
-
-		if (typeof IntersectionObserver === 'undefined') {
-			isNearViewport = true;
-
-			return;
-		}
-
-		const observer = new IntersectionObserver(
-			(entries) => {
-				if (entries.some((entry) => entry.isIntersecting)) {
-					isNearViewport = true;
-					observer.disconnect();
-				}
-			},
-			{ rootMargin: '200px' }
-		);
-
-		observer.observe(el);
-
-		return () => observer.disconnect();
-	});
-
-	$effect(() => {
-		fetchedBytes = null;
-
-		if (reported || !isNearViewport || !repo || !quant) return;
-
-		let cancelled = false;
-
-		void HuggingFaceService.getTree(repo)
-			.then((tree) => {
-				if (cancelled) return;
-
-				// shards of one quant collapse into a single entry carrying the total
-				const file = HuggingFaceService.collapseGgufShards(
-					HuggingFaceService.filterByExtension(tree, '.gguf')
-				).find((entry) => {
-					const meta = HuggingFaceService.extractQuantMeta(entry.path);
-
-					return meta?.quant === quant && !meta.sidecar;
-				});
-
-				if (file?.size) fetchedBytes = file.size;
-			})
-			// best-effort: offline or a repo we cannot read keeps the dash
-			.catch(() => {});
-
-		return () => {
-			cancelled = true;
-		};
-	});
-
-	let label = $derived(reported ?? (fetchedBytes ? formatFileSize(fetchedBytes) : '—'));
-</script>
-
-<span bind:this={el} class="text-sm text-muted-foreground">{label}</span>
diff --git a/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelSettings.svelte b/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelSettings.svelte
index 89a71be3ea..571174c387 100644
--- a/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelSettings.svelte
+++ b/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelSettings.svelte
@@ -5,6 +5,7 @@
 		type ModelOverride,
 		modelQuantLabel,
 		modelSizeLabel,
+		resolveModelSize,
 		SAMPLING_DEFAULTS,
 		SPECULATIVE_OPTIONS
 	} from './utils';
@@ -79,6 +80,26 @@
 	let quant = $derived(modelQuantLabel(option));
 	let size = $derived(modelSizeLabel(option));
 	let stopStrings = $derived(draft.stopStrings ?? []);
+	let resolvedSize = $state<string | null>(null);
+
+	// the router rarely reports a size, the repo tree does
+	$effect(() => {
+		const target = option;
+
+		let cancelled = false;
+
+		resolvedSize = null;
+
+		void resolveModelSize(target)
+			.then((value) => {
+				if (!cancelled) resolvedSize = value;
+			})
+			.catch(() => {});
+
+		return () => {
+			cancelled = true;
+		};
+	});
 	let infoRows = $derived([
 		{ label: 'Model', value: option.model },
 		{ label: 'File Path', value: serverProps?.model_path ?? null },
@@ -92,7 +113,7 @@
 			label: 'Training Context',
 			value: option.contextLength ? `${formatParameters(option.contextLength)} tokens` : null
 		},
-		{ label: 'Model Size', value: size },
+		{ label: 'Model Size', value: resolvedSize ?? size },
 		{ label: 'Parameters', value: option.parsedId?.params ?? null },
 		{ isBadge: true, label: 'Quantization', value: quant },
 		{ isBadge: true, label: 'Architecture', value: (option.meta?.architecture as string) ?? null },
diff --git a/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelsTable.svelte b/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelsTable.svelte
index 3421b44490..d90ca6742b 100644
--- a/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelsTable.svelte
+++ b/tools/ui/src/lib/components/app/models/ModelsManager/ModelsManagerModelsTable.svelte
@@ -7,7 +7,6 @@
 		ModelId,
 		ModelLoadControl,
 		ModelRowActions,
-		ModelSize,
 		ModelsSection
 	} from '$lib/components/app';
 	import { Input } from '$lib/components/ui/input';
@@ -36,7 +35,7 @@
 	}: Props = $props();
 
 	let isEmpty = $derived(groups.every((group) => group.items.length === 0));
-	const rowGrid = 'grid grid-cols-[minmax(0,1fr)_5.5rem_3rem_4.5rem] items-center gap-3';
+	const rowGrid = 'grid grid-cols-[minmax(0,1fr)_3rem_4.5rem] items-center gap-3';
 
 	function stateOf(option: ModelOption): ServerModelStatus | null {
 		const model = modelsStore.routerModels.find((m) => m.id === option.model);
@@ -83,8 +82,6 @@
 				/>
 			</span>
 
-			<ModelSize {option} />
-
 			<ModelLoadControl
 				canLoad={getBackendCapabilities(getBackend(option.backendId)).loadUnload}
 				{isFailed}
@@ -114,8 +111,6 @@
 	>
 		<span>Model</span>
 
-		<span>Size</span>
-
 		<span class="text-center">State</span>
 
 		<span class="text-right">Actions</span>
diff --git a/tools/ui/src/lib/components/app/models/ModelsManager/utils.ts b/tools/ui/src/lib/components/app/models/ModelsManager/utils.ts
index 201cb4ea49..43da090581 100644
--- a/tools/ui/src/lib/components/app/models/ModelsManager/utils.ts
+++ b/tools/ui/src/lib/components/app/models/ModelsManager/utils.ts
@@ -1,4 +1,5 @@
 import { LOCAL_BACKEND_ID, MODEL_OVERRIDES_LOCALSTORAGE_KEY } from '$lib/constants';
+import { HuggingFaceService } from '$lib/services';
 import type { ModelOption } from '$lib/types/models';
 import { getBackend } from '$lib/utils/api-base';
 import { formatFileSize, formatParameters } from '$lib/utils/formatters';
@@ -129,6 +130,34 @@ export function modelQuantLabel(option: ModelOption): string | null {
 	return option.parsedId?.quantization ?? null;
 }
 
+/**
+ * File size of the model's own quant. The router reports one for some backends;
+ * otherwise a local GGUF reads it from its repo tree, the same source the
+ * discovery details use. Returns null when neither knows.
+ */
+export async function resolveModelSize(option: ModelOption): Promise<string | null> {
+	const reported = modelSizeLabel(option);
+
+	if (reported) return reported;
+
+	if (!isLocalOption(option)) return null;
+
+	const [repo, quant] = option.model.split(':');
+
+	if (!repo || !quant) return null;
+
+	const tree = await HuggingFaceService.getTree(repo);
+	const file = HuggingFaceService.collapseGgufShards(
+		HuggingFaceService.filterByExtension(tree, '.gguf')
+	).find((entry) => {
+		const meta = HuggingFaceService.extractQuantMeta(entry.path);
+
+		return meta?.quant === quant && !meta.sidecar;
+	});
+
+	return file?.size ? formatFileSize(file.size) : null;
+}
+
 /** Extra args the router applies when this model is loaded. */
 export function loadExtraArgs(override?: ModelOverride): string[] {
 	const load = override?.load;
diff --git a/tools/ui/src/lib/components/app/models/index.ts b/tools/ui/src/lib/components/app/models/index.ts
index fed5646148..074e253b62 100644
--- a/tools/ui/src/lib/components/app/models/index.ts
+++ b/tools/ui/src/lib/components/app/models/index.ts
@@ -51,7 +51,6 @@ export { default as ModelId } from './ModelId.svelte';
 export { default as ModelAvatar } from './ModelAvatar.svelte';
 export { default as ModelLoadControl } from './ModelLoadControl.svelte';
 export { default as ModelRowActions } from './ModelRowActions.svelte';
-export { default as ModelSize } from './ModelSize.svelte';
 export { default as ModelsSection } from './ModelsSection.svelte';
 
 /**