diff --git a/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/AddModels.tsx b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/AddModels.tsx
index e667c17d3e..4e1f3d8240 100644
--- a/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/AddModels.tsx
+++ b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/AddModels.tsx
@@ -2,6 +2,7 @@ import { ButtonGroup, Flex } from '@chakra-ui/react';
 import IAIButton from 'common/components/IAIButton';
 import { useState } from 'react';
 import AutoAddModels from './AutoAddModels';
+import ManualAddModels from './ManualAddModels';
 
 export default function AddModels() {
   const [addModelMode, setAddModelMode] = useState<'simple' | 'advanced'>(
@@ -40,7 +41,7 @@ export default function AddModels() {
         }}
       >
         {addModelMode === 'simple' && <AutoAddModels />}
-        {addModelMode === 'advanced' && null}
+        {addModelMode === 'advanced' && <ManualAddModels />}
       </Flex>
     </Flex>
   );
diff --git a/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddCheckpoint.tsx b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddCheckpoint.tsx
new file mode 100644
index 0000000000..efee656d81
--- /dev/null
+++ b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddCheckpoint.tsx
@@ -0,0 +1,20 @@
+import { useForm } from '@mantine/form';
+import { CheckpointModelConfig } from 'services/api/types';
+
+export default function ManualAddCheckpoint() {
+  const manualAddCheckpointForm = useForm<CheckpointModelConfig>({
+    initialValues: {
+      model_name: '',
+      base_model: 'sd-1',
+      model_type: 'main',
+      path: '',
+      description: '',
+      model_format: 'checkpoint',
+      error: undefined,
+      vae: '',
+      variant: 'normal',
+      config: '',
+    },
+  });
+  return <div>ManualAddCheckpoint</div>;
+}
diff --git a/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddDiffusers.tsx b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddDiffusers.tsx
new file mode 100644
index 0000000000..1e51006dcd
--- /dev/null
+++ b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddDiffusers.tsx
@@ -0,0 +1,102 @@
+import { Flex } from '@chakra-ui/react';
+import { useForm } from '@mantine/form';
+import { makeToast } from 'app/components/Toaster';
+import { useAppDispatch } from 'app/store/storeHooks';
+import IAIButton from 'common/components/IAIButton';
+import IAIMantineTextInput from 'common/components/IAIMantineInput';
+import { addToast } from 'features/system/store/systemSlice';
+import { useTranslation } from 'react-i18next';
+import { useAddMainModelsMutation } from 'services/api/endpoints/models';
+import { DiffusersModelConfig } from 'services/api/types';
+import BaseModelSelect from '../shared/BaseModelSelect';
+import ModelVariantSelect from '../shared/ModelVariantSelect';
+
+export default function ManualAddDiffusers() {
+  const { t } = useTranslation();
+  const dispatch = useAppDispatch();
+
+  const [addMainModel] = useAddMainModelsMutation();
+
+  const manualAddDiffusersForm = useForm<DiffusersModelConfig>({
+    initialValues: {
+      model_name: '',
+      base_model: 'sd-1',
+      model_type: 'main',
+      path: '',
+      description: '',
+      model_format: 'diffusers',
+      error: undefined,
+      vae: '',
+      variant: 'normal',
+    },
+  });
+  const manualAddDiffusersFormHandler = (values: DiffusersModelConfig) => {
+    console.log(values);
+    addMainModel({
+      body: values,
+    })
+      .unwrap()
+      .then((_) => {
+        dispatch(
+          addToast(
+            makeToast({
+              title: `Model Added: ${values.model_name}`,
+              status: 'success',
+            })
+          )
+        );
+        manualAddDiffusersForm.reset();
+      })
+      .catch((error) => {
+        if (error) {
+          dispatch(
+            addToast(
+              makeToast({
+                title: 'Model Add Failed',
+                status: 'error',
+              })
+            )
+          );
+        }
+      });
+  };
+
+  return (
+    <form
+      onSubmit={manualAddDiffusersForm.onSubmit((v) =>
+        manualAddDiffusersFormHandler(v)
+      )}
+      style={{ width: '100%' }}
+    >
+      <Flex flexDirection="column" gap={2}>
+        <IAIMantineTextInput
+          required
+          label="Model Name"
+          {...manualAddDiffusersForm.getInputProps('model_name')}
+        />
+        <BaseModelSelect
+          {...manualAddDiffusersForm.getInputProps('base_model')}
+        />
+        <IAIMantineTextInput
+          required
+          label="Model Location"
+          {...manualAddDiffusersForm.getInputProps('path')}
+        />
+        <IAIMantineTextInput
+          label="Description"
+          {...manualAddDiffusersForm.getInputProps('description')}
+        />
+        <IAIMantineTextInput
+          label="VAE Location"
+          {...manualAddDiffusersForm.getInputProps('vae')}
+        />
+        <ModelVariantSelect
+          {...manualAddDiffusersForm.getInputProps('variant')}
+        />
+        <IAIButton mt={2} type="submit">
+          {t('modelManager.addModel')}
+        </IAIButton>
+      </Flex>
+    </form>
+  );
+}
diff --git a/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddModels.tsx b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddModels.tsx
new file mode 100644
index 0000000000..2783e4e6b3
--- /dev/null
+++ b/invokeai/frontend/web/src/features/ui/components/tabs/ModelManager/subpanels/AddModelsPanel/ManualAddModels.tsx
@@ -0,0 +1,46 @@
+import { Flex } from '@chakra-ui/react';
+import { SelectItem } from '@mantine/core';
+import IAIMantineSelect from 'common/components/IAIMantineSelect';
+import { useState } from 'react';
+import ManualAddCheckpoint from './ManualAddCheckpoint';
+import ManualAddDiffusers from './ManualAddDiffusers';
+
+const manualAddModeData: SelectItem[] = [
+  { label: 'Diffusers', value: 'diffusers' },
+  { label: 'Checkpoint / Safetensors', value: 'checkpoint' },
+];
+
+type ManualAddMode = 'diffusers' | 'checkpoint';
+
+export default function ManualAddModels() {
+  const [manualAddMode, setManualAddMode] =
+    useState<ManualAddMode>('diffusers');
+
+  return (
+    <Flex flexDirection="column" gap={4} width="100%">
+      <IAIMantineSelect
+        label="Model Type"
+        value={manualAddMode}
+        data={manualAddModeData}
+        onChange={(v) => {
+          if (!v) return;
+          setManualAddMode(v as ManualAddMode);
+        }}
+      />
+
+      <Flex
+        sx={{
+          p: 4,
+          borderRadius: 4,
+          bg: 'base.300',
+          _dark: {
+            bg: 'base.850',
+          },
+        }}
+      >
+        {manualAddMode === 'diffusers' && <ManualAddDiffusers />}
+        {manualAddMode === 'checkpoint' && <ManualAddCheckpoint />}
+      </Flex>
+    </Flex>
+  );
+}
diff --git a/invokeai/frontend/web/src/services/api/endpoints/models.ts b/invokeai/frontend/web/src/services/api/endpoints/models.ts
index 2a5e5547b3..e0177ca8d1 100644
--- a/invokeai/frontend/web/src/services/api/endpoints/models.ts
+++ b/invokeai/frontend/web/src/services/api/endpoints/models.ts
@@ -86,6 +86,13 @@ type ImportMainModelArg = {
 type ImportMainModelResponse =
   paths['/api/v1/models/import']['post']['responses']['201']['content']['application/json'];
 
+type AddMainModelArg = {
+  body: MainModelConfig;
+};
+
+type AddMainModelResponse =
+  paths['/api/v1/models/add']['post']['responses']['201']['content']['application/json'];
+
 type SearchFolderResponse =
   paths['/api/v1/models/search']['get']['responses']['200']['content']['application/json'];
 
@@ -189,6 +196,16 @@ export const modelsApi = api.injectEndpoints({
       },
       invalidatesTags: [{ type: 'MainModel', id: LIST_TAG }],
     }),
+    addMainModels: build.mutation<AddMainModelResponse, AddMainModelArg>({
+      query: ({ body }) => {
+        return {
+          url: `models/add`,
+          method: 'POST',
+          body: body,
+        };
+      },
+      invalidatesTags: [{ type: 'MainModel', id: LIST_TAG }],
+    }),
     deleteMainModels: build.mutation<
       DeleteMainModelResponse,
       DeleteMainModelArg
@@ -378,6 +395,7 @@ export const {
   useUpdateMainModelsMutation,
   useDeleteMainModelsMutation,
   useImportMainModelsMutation,
+  useAddMainModelsMutation,
   useConvertMainModelsMutation,
   useMergeMainModelsMutation,
   useGetModelsInFolderQuery,