diff --git a/src/plugins/clangtools/clangtoolssettings.cpp b/src/plugins/clangtools/clangtoolssettings.cpp
index 2342e12b1db..fe7acf43b93 100644
--- a/src/plugins/clangtools/clangtoolssettings.cpp
+++ b/src/plugins/clangtools/clangtoolssettings.cpp
@@ -198,5 +198,38 @@ void ClangToolsSettings::writeSettings()
     emit changed();
 }
 
+void ClangToolsSettings::setClangTidyExecutable(const QString &path)
+{
+    m_clangTidyExecutable = path;
+    m_clangTidyVersion = {};
+}
+
+void ClangTools::Internal::ClangToolsSettings::setClazyStandaloneExecutable(const QString &path)
+{
+    m_clazyStandaloneExecutable = path;
+    m_clazyVersion = {};
+}
+
+static QVersionNumber getVersionNumber(QVersionNumber &version, const QString &toolFilePath)
+{
+    if (version.isNull() && !toolFilePath.isEmpty()) {
+        version = QVersionNumber::fromString(queryVersion(Utils::FilePath::fromString(toolFilePath),
+                                                          QueryFailMode::Silent));
+    };
+    return version;
+}
+
+QVersionNumber ClangToolsSettings::clangTidyVersion()
+{
+    return getVersionNumber(instance()->m_clangTidyVersion,
+                            ClangTools::Internal::clangTidyExecutable());
+}
+
+QVersionNumber ClangToolsSettings::clazyVersion()
+{
+    return getVersionNumber(instance()->m_clazyVersion,
+                            ClangTools::Internal::clazyStandaloneExecutable());
+}
+
 } // namespace Internal
 } // namespace ClangTools
diff --git a/src/plugins/clangtools/clangtoolssettings.h b/src/plugins/clangtools/clangtoolssettings.h
index ac2a6b41856..73dbc83bb26 100644
--- a/src/plugins/clangtools/clangtoolssettings.h
+++ b/src/plugins/clangtools/clangtoolssettings.h
@@ -25,12 +25,15 @@
 
 #pragma once
 
+#include "executableinfo.h"
+
 #include <cpptools/clangdiagnosticconfig.h>
 
 #include <utils/id.h>
 
 #include <QObject>
 #include <QString>
+#include <QVersionNumber>
 
 namespace ClangTools {
 namespace Internal {
@@ -75,10 +78,10 @@ public:
     void writeSettings();
 
     QString clangTidyExecutable() const { return m_clangTidyExecutable; }
-    void setClangTidyExecutable(const QString &path) { m_clangTidyExecutable = path; }
+    void setClangTidyExecutable(const QString &path);
 
     QString clazyStandaloneExecutable() const { return m_clazyStandaloneExecutable; }
-    void setClazyStandaloneExecutable(const QString &path) { m_clazyStandaloneExecutable = path; }
+    void setClazyStandaloneExecutable(const QString &path);
 
     CppTools::ClangDiagnosticConfigs diagnosticConfigs() const { return m_diagnosticConfigs; }
     void setDiagnosticConfigs(const CppTools::ClangDiagnosticConfigs &configs)
@@ -87,6 +90,9 @@ public:
     RunSettings runSettings() const { return m_runSettings; }
     void setRunSettings(const RunSettings &settings) { m_runSettings = settings; }
 
+    static QVersionNumber clangTidyVersion();
+    static QVersionNumber clazyVersion();
+
 signals:
     void changed();
 
@@ -103,6 +109,10 @@ private:
 
     // Run settings
     RunSettings m_runSettings;
+
+    // Version info. Ephemeral.
+    QVersionNumber m_clangTidyVersion;
+    QVersionNumber m_clazyVersion;
 };
 
 } // namespace Internal
diff --git a/src/plugins/clangtools/executableinfo.cpp b/src/plugins/clangtools/executableinfo.cpp
index 850be6ef59d..d904334ece4 100644
--- a/src/plugins/clangtools/executableinfo.cpp
+++ b/src/plugins/clangtools/executableinfo.cpp
@@ -43,9 +43,7 @@ using namespace Utils;
 namespace ClangTools {
 namespace Internal {
 
-enum class FailSilently { Yes, No };
-static QString runExecutable(const Utils::CommandLine &commandLine,
-                             FailSilently failSilently = FailSilently::No)
+static QString runExecutable(const Utils::CommandLine &commandLine, QueryFailMode queryFailMode)
 {
     if (commandLine.executable().isEmpty() || !commandLine.executable().toFileInfo().isExecutable())
         return {};
@@ -58,7 +56,7 @@ static QString runExecutable(const Utils::CommandLine &commandLine,
 
     cpp.runBlocking();
     if (cpp.result() != QtcProcess::FinishedWithSuccess
-            && (failSilently == FailSilently::No
+            && (queryFailMode == QueryFailMode::Noisy
             || cpp.result() != QtcProcess::FinishedWithError)) {
         Core::MessageManager::writeFlashing(cpp.exitMessage());
         Core::MessageManager::writeFlashing(QString::fromUtf8(cpp.allRawOutput()));
@@ -76,7 +74,7 @@ static QStringList queryClangTidyChecks(const QString &executable,
         arguments.prepend(checksArgument);
 
     const CommandLine commandLine(executable, arguments);
-    QString output = runExecutable(commandLine);
+    QString output = runExecutable(commandLine, QueryFailMode::Noisy);
     if (output.isEmpty())
         return {};
 
@@ -105,12 +103,14 @@ static QStringList queryClangTidyChecks(const QString &executable,
 static ClazyChecks querySupportedClazyChecks(const QString &executablePath)
 {
     static const QString queryFlag = "-supported-checks-json";
-    QString jsonOutput = runExecutable(CommandLine(executablePath, {queryFlag}));
+    QString jsonOutput = runExecutable(CommandLine(executablePath, {queryFlag}),
+                                       QueryFailMode::Noisy);
 
     // Some clazy 1.6.x versions have a bug where they expect an argument after the
     // option.
     if (jsonOutput.isEmpty())
-        jsonOutput = runExecutable(CommandLine(executablePath, {queryFlag, "dummy"}));
+        jsonOutput = runExecutable(CommandLine(executablePath, {queryFlag, "dummy"}),
+                                   QueryFailMode::Noisy);
     if (jsonOutput.isEmpty())
         return {};
 
@@ -172,7 +172,7 @@ static FilePath queryResourceDir(const FilePath &clangToolPath)
 {
     QString output = runExecutable(CommandLine(clangToolPath, {"someFilePath", "--",
                                                                "-print-resource-dir"}),
-                                   FailSilently::Yes);
+                                   QueryFailMode::Silent);
 
     // Expected output is (clang-tidy 10):
     //   lib/clang/10.0.1
@@ -189,9 +189,9 @@ static FilePath queryResourceDir(const FilePath &clangToolPath)
     return {};
 }
 
-static QString queryVersion(const FilePath &clangToolPath)
+QString queryVersion(const FilePath &clangToolPath, QueryFailMode failMode)
 {
-    QString output = runExecutable(CommandLine(clangToolPath, {"--version"}));
+    QString output = runExecutable(CommandLine(clangToolPath, {"--version"}), failMode);
     QTextStream stream(&output);
     while (!stream.atEnd()) {
         static const QStringList versionPrefixes{"LLVM version ", "clang version: "};
@@ -207,7 +207,7 @@ static QString queryVersion(const FilePath &clangToolPath)
 QPair<FilePath, QString> getClangIncludeDirAndVersion(const FilePath &clangToolPath)
 {
     const FilePath dynamicResourceDir = queryResourceDir(clangToolPath);
-    const QString dynamicVersion = queryVersion(clangToolPath);
+    const QString dynamicVersion = queryVersion(clangToolPath, QueryFailMode::Noisy);
     if (dynamicResourceDir.isEmpty() || dynamicVersion.isEmpty())
         return qMakePair(FilePath::fromString(CLANG_INCLUDE_DIR), QString(CLANG_VERSION));
     return qMakePair(dynamicResourceDir + "/include", dynamicVersion);
diff --git a/src/plugins/clangtools/executableinfo.h b/src/plugins/clangtools/executableinfo.h
index aa297dcb5ef..7ce1eccde6b 100644
--- a/src/plugins/clangtools/executableinfo.h
+++ b/src/plugins/clangtools/executableinfo.h
@@ -36,6 +36,9 @@ namespace Internal {
 
 QPair<Utils::FilePath, QString> getClangIncludeDirAndVersion(const Utils::FilePath &clangToolPath);
 
+enum class QueryFailMode{ Silent, Noisy };
+QString queryVersion(const Utils::FilePath &clangToolPath, QueryFailMode failMode);
+
 class ClangTidyInfo
 {
 public: