diff --git a/src/composables/useCoreCommands.ts b/src/composables/useCoreCommands.ts
index 5e4cf6125..e3627658b 100644
--- a/src/composables/useCoreCommands.ts
+++ b/src/composables/useCoreCommands.ts
@@ -19,6 +19,7 @@ import { useDialogService } from '@/services/dialogService'
 import { useLitegraphService } from '@/services/litegraphService'
 import { useWorkflowService } from '@/services/workflowService'
 import type { ComfyCommand } from '@/stores/commandStore'
+import { useCommandStore } from '@/stores/commandStore'
 import { useExecutionStore } from '@/stores/executionStore'
 import { useCanvasStore, useTitleEditorStore } from '@/stores/graphStore'
 import { useQueueSettingsStore, useQueueStore } from '@/stores/queueStore'
@@ -660,9 +661,9 @@ export function useCoreCommands(): ComfyCommand[] {
       }
     },
     {
-      id: 'Comfy.Manager.CustomNodesManager',
-      icon: 'pi pi-puzzle',
-      label: 'Toggle the Custom Nodes Manager',
+      id: 'Comfy.Manager.CustomNodesManager.ShowCustomNodesMenu',
+      icon: 'pi pi-objects-column',
+      label: 'Custom Nodes (Beta)',
       versionAdded: '1.12.10',
       function: () => {
         dialogService.toggleManagerDialog()
@@ -757,6 +758,84 @@ export function useCoreCommands(): ComfyCommand[] {
         const { node } = res
         canvas.select(node)
       }
+    },
+    {
+      id: 'Comfy.Manager.CustomNodesManager.ShowLegacyCustomNodesMenu',
+      icon: 'pi pi-bars',
+      label: 'Custom Nodes (Legacy)',
+      versionAdded: '1.16.4',
+      function: () => {
+        try {
+          useCommandStore().execute(
+            'Comfy.Manager.CustomNodesManager.ToggleVisibility'
+          )
+        } catch (error) {
+          useToastStore().add({
+            severity: 'error',
+            summary: t('g.error'),
+            detail: t('manager.legacyMenuNotAvailable'),
+            life: 3000
+          })
+        }
+      }
+    },
+    {
+      id: 'Comfy.Manager.ShowLegacyManagerMenu',
+      icon: 'mdi mdi-puzzle',
+      label: 'Manager Menu (Legacy)',
+      versionAdded: '1.16.4',
+      function: () => {
+        try {
+          useCommandStore().execute('Comfy.Manager.Menu.ToggleVisibility')
+        } catch (error) {
+          useToastStore().add({
+            severity: 'error',
+            summary: t('g.error'),
+            detail: t('manager.legacyMenuNotAvailable'),
+            life: 3000
+          })
+        }
+      }
+    },
+    {
+      id: 'Comfy.Memory.UnloadModels',
+      icon: 'mdi mdi-vacuum-outline',
+      label: 'Unload Models',
+      versionAdded: '1.16.4',
+      function: async () => {
+        if (!useSettingStore().get('Comfy.Memory.AllowManualUnload')) {
+          useToastStore().add({
+            severity: 'error',
+            summary: t('g.error'),
+            detail: t('g.commandProhibited', {
+              command: 'Comfy.Memory.UnloadModels'
+            }),
+            life: 3000
+          })
+          return
+        }
+        await api.freeMemory({ freeExecutionCache: false })
+      }
+    },
+    {
+      id: 'Comfy.Memory.UnloadModelsAndExecutionCache',
+      icon: 'mdi mdi-vacuum-outline',
+      label: 'Unload Models and Execution Cache',
+      versionAdded: '1.16.4',
+      function: async () => {
+        if (!useSettingStore().get('Comfy.Memory.AllowManualUnload')) {
+          useToastStore().add({
+            severity: 'error',
+            summary: t('g.error'),
+            detail: t('g.commandProhibited', {
+              command: 'Comfy.Memory.UnloadModelsAndExecutionCache'
+            }),
+            life: 3000
+          })
+          return
+        }
+        await api.freeMemory({ freeExecutionCache: true })
+      }
     }
   ]
 
diff --git a/src/constants/coreMenuCommands.ts b/src/constants/coreMenuCommands.ts
index 9173366a4..9fc0561eb 100644
--- a/src/constants/coreMenuCommands.ts
+++ b/src/constants/coreMenuCommands.ts
@@ -14,6 +14,16 @@ export const CORE_MENU_COMMANDS = [
   [['Edit'], ['Comfy.RefreshNodeDefinitions']],
   [['Edit'], ['Comfy.ClearWorkflow']],
   [['Edit'], ['Comfy.OpenClipspace']],
+  [
+    ['Manager'],
+    [
+      'Comfy.Manager.ShowLegacyManagerMenu',
+      'Comfy.Manager.CustomNodesManager.ShowLegacyCustomNodesMenu',
+      'Comfy.Manager.CustomNodesManager.ShowCustomNodesMenu',
+      'Comfy.Memory.UnloadModels',
+      'Comfy.Memory.UnloadModelsAndExecutionCache'
+    ]
+  ],
   [
     ['Help'],
     [
diff --git a/src/constants/coreSettings.ts b/src/constants/coreSettings.ts
index c3a9b30af..72943046c 100644
--- a/src/constants/coreSettings.ts
+++ b/src/constants/coreSettings.ts
@@ -14,6 +14,13 @@ import type { SettingParams } from '@/types/settingTypes'
  * when they are no longer needed.
  */
 export const CORE_SETTINGS: SettingParams[] = [
+  {
+    id: 'Comfy.Memory.AllowManualUnload',
+    name: 'Allow manual unload of models and execution cache via user command',
+    type: 'hidden',
+    defaultValue: true,
+    versionAdded: '1.18.0'
+  },
   {
     id: 'Comfy.Validation.Workflows',
     name: 'Validate workflows',
diff --git a/src/locales/en/main.json b/src/locales/en/main.json
index df92e481b..589cbc533 100644
--- a/src/locales/en/main.json
+++ b/src/locales/en/main.json
@@ -133,10 +133,12 @@
     "copyURL": "Copy URL",
     "releaseTitle": "{package} {version} Release",
     "progressCountOf": "of",
-    "keybindingAlreadyExists": "Keybinding already exists on"
+    "keybindingAlreadyExists": "Keybinding already exists on",
+    "commandProhibited": "Command {command} is prohibited. Contact an administrator for more information."
   },
   "manager": {
     "title": "Custom Nodes Manager",
+    "legacyMenuNotAvailable": "Legacy manager menu is not available in this version of ComfyUI. Please use the new manager menu instead.",
     "failed": "Failed ({count})",
     "noNodesFound": "No nodes found",
     "noNodesFoundDescription": "The pack's nodes either could not be parsed, or the pack is a frontend extension only and doesn't have any nodes.",
diff --git a/src/scripts/api.ts b/src/scripts/api.ts
index 7be323588..66ad0b0e9 100644
--- a/src/scripts/api.ts
+++ b/src/scripts/api.ts
@@ -37,6 +37,7 @@ import {
   type ComfyNodeDef,
   validateComfyNodeDef
 } from '@/schemas/nodeDefSchema'
+import { useToastStore } from '@/stores/toastStore'
 import { WorkflowTemplates } from '@/types/workflowTemplateTypes'
 
 interface QueuePromptRequestBody {
@@ -987,6 +988,56 @@ export class ComfyApi extends EventTarget {
     return (await axios.get(this.internalURL('/folder_paths'))).data
   }
 
+  /* Frees memory by unloading models and optionally freeing execution cache
+   * @param {Object} options - The options object
+   * @param {boolean} options.freeExecutionCache - If true, also frees execution cache
+   */
+  async freeMemory(options: { freeExecutionCache: boolean }) {
+    try {
+      let mode = ''
+      if (options.freeExecutionCache) {
+        mode = '{"unload_models": true, "free_memory": true}'
+      } else {
+        mode = '{"unload_models": true}'
+      }
+
+      const res = await this.fetchApi(`/free`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: mode
+      })
+
+      if (res.status === 200) {
+        if (options.freeExecutionCache) {
+          useToastStore().add({
+            severity: 'success',
+            summary: 'Models and Execution Cache have been cleared.',
+            life: 3000
+          })
+        } else {
+          useToastStore().add({
+            severity: 'success',
+            summary: 'Models have been unloaded.',
+            life: 3000
+          })
+        }
+      } else {
+        useToastStore().add({
+          severity: 'error',
+          summary:
+            'Unloading of models failed. Installed ComfyUI may be an outdated version.',
+          life: 5000
+        })
+      }
+    } catch (error) {
+      useToastStore().add({
+        severity: 'error',
+        summary: 'An error occurred while trying to unload models.',
+        life: 5000
+      })
+    }
+  }
+
   /**
    * Gets the custom nodes i18n data from the server.
    *