diff --git a/cmd/syncthing/gui.go b/cmd/syncthing/gui.go
index 91424e23c..cb5ec9f22 100644
--- a/cmd/syncthing/gui.go
+++ b/cmd/syncthing/gui.go
@@ -29,11 +29,11 @@ func startGUI(cfg GUIConfiguration, m *Model) {
 	router := martini.NewRouter()
 	router.Get("/", getRoot)
 	router.Get("/rest/version", restGetVersion)
-	router.Get("/rest/model", restGetModel)
+	router.Get("/rest/model/:repo", restGetModel)
 	router.Get("/rest/connections", restGetConnections)
 	router.Get("/rest/config", restGetConfig)
 	router.Get("/rest/config/sync", restGetConfigInSync)
-	router.Get("/rest/need", restGetNeed)
+	router.Get("/rest/need/:repo", restGetNeed)
 	router.Get("/rest/system", restGetSystem)
 	router.Get("/rest/errors", restGetErrors)
 
@@ -73,20 +73,20 @@ func restGetVersion() string {
 	return Version
 }
 
-func restGetModel(m *Model, w http.ResponseWriter) {
+func restGetModel(m *Model, w http.ResponseWriter, params martini.Params) {
+	var repo = params["repo"]
 	var res = make(map[string]interface{})
 
-	globalFiles, globalDeleted, globalBytes := m.GlobalSize()
+	globalFiles, globalDeleted, globalBytes := m.GlobalSize(repo)
 	res["globalFiles"], res["globalDeleted"], res["globalBytes"] = globalFiles, globalDeleted, globalBytes
 
-	localFiles, localDeleted, localBytes := m.LocalSize()
+	localFiles, localDeleted, localBytes := m.LocalSize(repo)
 	res["localFiles"], res["localDeleted"], res["localBytes"] = localFiles, localDeleted, localBytes
 
-	inSyncFiles, inSyncBytes := m.InSyncSize()
-	res["inSyncFiles"], res["inSyncBytes"] = inSyncFiles, inSyncBytes
+	needFiles, needBytes := m.NeedSize(repo)
+	res["needFiles"], res["needBytes"] = needFiles, needBytes
 
-	files, total := m.NeedFiles()
-	res["needFiles"], res["needBytes"] = len(files), total
+	res["inSyncFiles"], res["inSyncBytes"] = globalFiles-needFiles, globalBytes-needBytes
 
 	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(res)
@@ -142,8 +142,9 @@ func (f guiFile) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func restGetNeed(m *Model, w http.ResponseWriter) {
-	files, _ := m.NeedFiles()
+func restGetNeed(m *Model, w http.ResponseWriter, params martini.Params) {
+	repo := params["repo"]
+	files := m.NeedFilesRepo(repo)
 	gfs := make([]guiFile, len(files))
 	for i, f := range files {
 		gfs[i] = guiFile(f)
diff --git a/cmd/syncthing/model.go b/cmd/syncthing/model.go
index b1c87b8cc..cfaa06165 100644
--- a/cmd/syncthing/model.go
+++ b/cmd/syncthing/model.go
@@ -158,70 +158,45 @@ func sizeOf(fs []scanner.File) (files, deleted int, bytes int64) {
 
 // GlobalSize returns the number of files, deleted files and total bytes for all
 // files in the global model.
-func (m *Model) GlobalSize() (files, deleted int, bytes int64) {
+func (m *Model) GlobalSize(repo string) (files, deleted int, bytes int64) {
 	m.rmut.RLock()
-	var fs []scanner.File
-	for _, rf := range m.repoFiles {
-		fs = append(fs, rf.Global()...)
+	defer m.rmut.RUnlock()
+	if rf, ok := m.repoFiles[repo]; ok {
+		return sizeOf(rf.Global())
 	}
-	m.rmut.RUnlock()
-	return sizeOf(fs)
+	return 0, 0, 0
 }
 
 // LocalSize returns the number of files, deleted files and total bytes for all
 // files in the local repository.
-func (m *Model) LocalSize() (files, deleted int, bytes int64) {
+func (m *Model) LocalSize(repo string) (files, deleted int, bytes int64) {
 	m.rmut.RLock()
-	var fs []scanner.File
-	for _, rf := range m.repoFiles {
-		fs = append(fs, rf.Have(cid.LocalID)...)
+	defer m.rmut.RUnlock()
+	if rf, ok := m.repoFiles[repo]; ok {
+		return sizeOf(rf.Have(cid.LocalID))
 	}
-	m.rmut.RUnlock()
-	return sizeOf(fs)
-}
-
-// InSyncSize returns the number and total byte size of the local files that
-// are in sync with the global model.
-func (m *Model) InSyncSize() (files int, bytes int64) {
-	var gf []scanner.File
-	var nf []scanner.File
-
-	m.rmut.RLock()
-	for _, rf := range m.repoFiles {
-		gf = append(gf, rf.Global()...)
-		nf = append(nf, rf.Need(cid.LocalID)...)
-	}
-	m.rmut.RUnlock()
-
-	gn, _, gb := sizeOf(gf)
-	nn, _, nb := sizeOf(nf)
-
-	return gn - nn, gb - nb
+	return 0, 0, 0
 }
 
 // NeedFiles returns the list of currently needed files and the total size.
-func (m *Model) NeedFiles() ([]scanner.File, int64) {
-	var nf []scanner.File
-	m.rmut.RLock()
-	for _, rf := range m.repoFiles {
-		nf = append(nf, rf.Need(cid.LocalID)...)
-	}
-	m.rmut.RUnlock()
+func (m *Model) NeedSize(repo string) (files int, bytes int64) {
+	var nf = m.NeedFilesRepo(repo)
 
-	var bytes int64
 	for _, f := range nf {
 		bytes += f.Size
 	}
 
-	return nf, bytes
+	return len(nf), bytes
 }
 
 // NeedFiles returns the list of currently needed files and the total size.
 func (m *Model) NeedFilesRepo(repo string) []scanner.File {
 	m.rmut.RLock()
-	nf := m.repoFiles[repo].Need(cid.LocalID)
-	m.rmut.RUnlock()
-	return nf
+	defer m.rmut.RUnlock()
+	if rf, ok := m.repoFiles[repo]; ok {
+		return rf.Need(cid.LocalID)
+	}
+	return nil
 }
 
 // Index is called when a new node is connected and we receive their full index.