diff --git a/tools/ui/src/lib/constants/model-id.ts b/tools/ui/src/lib/constants/model-id.ts
index ee314d167..ab7932240 100644
--- a/tools/ui/src/lib/constants/model-id.ts
+++ b/tools/ui/src/lib/constants/model-id.ts
@@ -37,3 +37,8 @@ export const MODEL_ACTIVATED_PARAMS_RE = /^[Aa]\d+(\.\d+)?[BbMmKkTt]$/;
  * Container format segments to exclude from tags (every model uses these).
  */
 export const MODEL_IGNORED_SEGMENTS = new Set(['GGUF', 'GGML']);
+
+/**
+ * Matches a trailing weight file extension, e.g. `model.gguf` -> `model`.
+ */
+export const MODEL_WEIGHT_EXTENSION_RE = /\.(gguf|ggml)$/i;
diff --git a/tools/ui/src/lib/services/models.service.ts b/tools/ui/src/lib/services/models.service.ts
index 209bd7cab..9574da59e 100644
--- a/tools/ui/src/lib/services/models.service.ts
+++ b/tools/ui/src/lib/services/models.service.ts
@@ -1,5 +1,5 @@
 import { ServerModelStatus } from '$lib/enums';
-import { apiFetch, apiPost } from '$lib/utils';
+import { apiFetch, apiPost, normalizeModelName } from '$lib/utils';
 import type { ParsedModelId } from '$lib/types/models';
 import {
 	MODEL_QUANTIZATION_SEGMENT_RE,
@@ -7,6 +7,7 @@ import {
 	MODEL_PARAMS_RE,
 	MODEL_ACTIVATED_PARAMS_RE,
 	MODEL_IGNORED_SEGMENTS,
+	MODEL_WEIGHT_EXTENSION_RE,
 	MODEL_ID_NOT_FOUND,
 	MODEL_ID_ORG_SEPARATOR,
 	MODEL_ID_SEGMENT_SEPARATOR,
@@ -139,15 +140,19 @@ export class ModelsService {
 			tags: []
 		};
 
+		// strip directory path and weight extension so a bare `-m /path/file.gguf`
+		// parses like a clean repo id; the HF `org/model` form is preserved
+		const source = normalizeModelName(modelId).replace(MODEL_WEIGHT_EXTENSION_RE, '');
+
 		// 1. Extract colon-separated quantization (e.g. `model:Q4_K_M`)
-		const colonIdx = modelId.indexOf(MODEL_ID_QUANTIZATION_SEPARATOR);
+		const colonIdx = source.indexOf(MODEL_ID_QUANTIZATION_SEPARATOR);
 		let modelPath: string;
 
 		if (colonIdx !== MODEL_ID_NOT_FOUND) {
-			result.quantization = modelId.slice(colonIdx + 1) || null;
-			modelPath = modelId.slice(0, colonIdx);
+			result.quantization = source.slice(colonIdx + 1) || null;
+			modelPath = source.slice(0, colonIdx);
 		} else {
-			modelPath = modelId;
+			modelPath = source;
 		}
 
 		// 2. Extract org name (e.g. `org/model` -> org = "org")