diff --git a/python/ycm/client/omni_completion_request.py b/python/ycm/client/omni_completion_request.py
index ddf9d0b6..209eead3 100644
--- a/python/ycm/client/omni_completion_request.py
+++ b/python/ycm/client/omni_completion_request.py
@@ -17,6 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with YouCompleteMe.  If not, see <http://www.gnu.org/licenses/>.
 
+from ycmd.utils import ToUtf8IfNeeded
 from ycm.client.completion_request import CompletionRequest
 
 
@@ -34,5 +35,32 @@ class OmniCompletionRequest( CompletionRequest ):
     return True
 
 
+  def RawResponse( self ):
+    return _ConvertVimDatasToCompletionDatas( self._results )
+
+
   def Response( self ):
     return self._results
+
+
+def ConvertVimDataToCompletionData( vim_data ):
+  # see :h complete-items for a description of the dictionary fields
+  completion_data = {}
+
+  if 'word' in vim_data:
+    completion_data[ 'insertion_text' ] = ToUtf8IfNeeded( vim_data[ 'word' ] )
+  if 'abbr' in vim_data:
+    completion_data[ 'menu_text' ] = ToUtf8IfNeeded( vim_data[ 'abbr' ] )
+  if 'menu' in vim_data:
+    completion_data[ 'extra_menu_info' ] = ToUtf8IfNeeded( vim_data[ 'menu' ] )
+  if 'kind' in vim_data:
+    completion_data[ 'kind' ] = [ ToUtf8IfNeeded( vim_data[ 'kind' ] ) ]
+  if 'info' in vim_data:
+    completion_data[ 'detailed_info' ] = ToUtf8IfNeeded( vim_data[ 'info' ] )
+
+  return completion_data
+
+
+def _ConvertVimDatasToCompletionDatas( response_data ):
+  return [ ConvertVimDataToCompletionData( x )
+           for x in response_data ]
diff --git a/python/ycm/tests/omni_completion_request_tests.py b/python/ycm/tests/omni_completion_request_tests.py
new file mode 100644
index 00000000..8d17e07e
--- /dev/null
+++ b/python/ycm/tests/omni_completion_request_tests.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 YouCompleteMe contributors
+#
+# This file is part of YouCompleteMe.
+#
+# YouCompleteMe is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# YouCompleteMe is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with YouCompleteMe.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from mock import MagicMock
+from nose.tools import eq_
+from hamcrest import assert_that, has_entries
+
+from ycm.client.omni_completion_request import OmniCompletionRequest
+
+
+def BuildOmnicompletionRequest( results ):
+  omni_completer = MagicMock()
+  omni_completer.ComputeCandidates = MagicMock( return_value = results )
+
+  request = OmniCompletionRequest( omni_completer, None )
+  request.Start()
+
+  return request;
+
+
+def Done_AlwaysTrue_test():
+  request = BuildOmnicompletionRequest( [] )
+
+  eq_( request.Done(), True )
+
+
+def Response_FromOmniCompleter_test():
+  results = [ { "word": "test" } ]
+  request = BuildOmnicompletionRequest( results )
+
+  eq_( request.Response(), results )
+
+
+def RawResponse_ConvertedFromOmniCompleter_test():
+  vim_results = [
+    { "word": "WORD", "abbr": "ABBR", "menu": "MENU",
+      "kind": "KIND", "info": "INFO" },
+    { "word": "WORD2", "abbr": "ABBR2", "menu": "MENU2",
+      "kind": "KIND2", "info": "INFO" },
+    { "word": "WORD", "abbr": "ABBR",  },
+    {  },
+  ]
+  expected_results = [
+    has_entries( { "insertion_text": "WORD", "menu_text": "ABBR",
+                   "extra_menu_info": "MENU", "kind": [ "KIND" ],
+                   "detailed_info": "INFO" } ),
+    has_entries( { "insertion_text": "WORD2", "menu_text": "ABBR2",
+                   "extra_menu_info": "MENU2", "kind": [ "KIND2" ],
+                   "detailed_info": "INFO" } ),
+    has_entries( { "insertion_text": "WORD", "menu_text": "ABBR",  } ),
+    has_entries( {  } ),
+  ]
+  request = BuildOmnicompletionRequest( vim_results )
+
+  results = request.RawResponse()
+
+  eq_( len( results ), len( expected_results ) )
+  for result, expected_result in zip( results, expected_results ):
+    assert_that( result, expected_result )