diff --git a/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-header.mustache b/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-header.mustache
index 3fc013a8b0c..4113a04e6b3 100644
--- a/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-header.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-header.mustache
@@ -24,6 +24,9 @@ struct {{classname}}
     {{^required}}Pistache::Optional<{{/required}}{{{dataType}}}{{^required}}>{{/required}} {{baseName}};
     {{/vars}}
 
+    bool operator==(const {{classname}}& other) const;
+    bool operator!=(const {{classname}}& other) const;
+
     nlohmann::json to_json() const;
     static {{classname}} from_json(const nlohmann::json& j);
 };
diff --git a/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-source.mustache b/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-source.mustache
index 2e4f114cc73..b67e8aa366e 100644
--- a/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-source.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-source.mustache
@@ -21,6 +21,16 @@ nlohmann::json {{classname}}::to_json() const
     return o;
 }
 
+bool {{classname}}::operator==(const {{classname}}& other) const
+{
+    return {{#vars}}{{baseName}} == other.{{baseName}}{{#hasMore}} && {{/hasMore}}{{/vars}};
+}
+
+bool {{classname}}::operator!=(const {{classname}}& other) const
+{
+    return !(*this == other);
+}
+
 void to_json(nlohmann::json& j, const {{classname}}& o)
 {
     {{#vars}}
diff --git a/samples/server/petstore/cpp-pistache/.openapi-generator/VERSION b/samples/server/petstore/cpp-pistache/.openapi-generator/VERSION
index d168f1d8bda..e4955748d3e 100644
--- a/samples/server/petstore/cpp-pistache/.openapi-generator/VERSION
+++ b/samples/server/petstore/cpp-pistache/.openapi-generator/VERSION
@@ -1 +1 @@
-4.2.1-SNAPSHOT
\ No newline at end of file
+4.2.2-SNAPSHOT
\ No newline at end of file