diff --git a/composer.json b/composer.json
index d462b375..0cd25c18 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,8 @@
     "keywords": [
         "yii",
         "gii",
-        "code generator"
+        "code generator",
+        "dev"
     ],
     "license": "BSD-3-Clause",
     "support": {
@@ -26,9 +27,10 @@
         "yiisoft/arrays": "^2.1|^3.0",
         "yiisoft/data-response": "^2.0",
         "yiisoft/http": "^1.2",
+        "yiisoft/hydrator": "^1.0",
         "yiisoft/injector": "^1.1",
+        "yiisoft/input-http": "dev-master",
         "yiisoft/json": "^1.0",
-        "yiisoft/request-model": "dev-master",
         "yiisoft/router": "^3.0",
         "yiisoft/strings": "^2.1",
         "yiisoft/validator": "^1.0",
@@ -39,7 +41,7 @@
         "jetbrains/phpstorm-attributes": "^1.0",
         "nyholm/psr7": "^1.5",
         "phpunit/phpunit": "^10.2",
-        "rector/rector": "^0.18.4",
+        "rector/rector": "^1.0.0",
         "roave/infection-static-analysis-plugin": "^1.23",
         "spatie/phpunit-watcher": "^1.23",
         "vimeo/psalm": "^5.13",
diff --git a/config/di.php b/config/di.php
index 3f8dc62c..fe6fc121 100644
--- a/config/di.php
+++ b/config/di.php
@@ -20,10 +20,10 @@
         foreach ($generators as $generator) {
             $class = $generator['class'];
             /**
-             * @var $generator GeneratorInterface
+             * @var $loader Closure(): GeneratorInterface
              */
-            $generator = $injector->make($class, $generator['parameters'] ?? []);
-            $generatorsInstances[] = $generator;
+            $loader = fn() => $injector->make($class, $generator['parameters'] ?? []);
+            $generatorsInstances[$class] = $loader;
         }
         return new Gii($generatorsInstances);
     },
diff --git a/src/Controller/DefaultController.php b/src/Controller/DefaultController.php
index a49a99ef..24ff60d0 100644
--- a/src/Controller/DefaultController.php
+++ b/src/Controller/DefaultController.php
@@ -10,7 +10,7 @@
 use Yiisoft\DataResponse\DataResponse;
 use Yiisoft\DataResponse\DataResponseFactoryInterface;
 use Yiisoft\Http\Status;
-use Yiisoft\RequestModel\Attribute\Query;
+use Yiisoft\Input\Http\Attribute\Parameter\Query;
 use Yiisoft\Validator\Helper\RulesDumper;
 use Yiisoft\Validator\RulesProvider\AttributesRulesProvider;
 use Yiisoft\Yii\Gii\Component\CodeFile\CodeFile;
diff --git a/src/Gii.php b/src/Gii.php
index 8c6d1cd0..002b8a98 100644
--- a/src/Gii.php
+++ b/src/Gii.php
@@ -4,19 +4,19 @@
 
 namespace Yiisoft\Yii\Gii;
 
+use Closure;
 use Yiisoft\Yii\Gii\Exception\GeneratorNotFoundException;
 
+/**
+ * @psalm-import-type LazyGenerator from GiiInterface
+ */
 final class Gii implements GiiInterface
 {
     /**
-     * @param array<string, GeneratorInterface> $generators
+     * @param array<string, GeneratorInterface|LazyGenerator> $generators
      */
     public function __construct(private array $generators)
     {
-        $this->generators = array_combine(
-            array_map(fn (GeneratorInterface $generator) => $generator::getId(), $generators),
-            array_values($this->generators)
-        );
     }
 
     public function addGenerator(GeneratorInterface $generator): void
@@ -30,11 +30,14 @@ public function getGenerator(string $id): GeneratorInterface
             throw new GeneratorNotFoundException('Generator "' . $id . '" not found');
         }
 
-        return $this->generators[$id];
+        return $this->generators[$id] instanceof Closure ? $this->generators[$id]() : $this->generators[$id];
     }
 
     public function getGenerators(): array
     {
-        return $this->generators;
+        return array_map(
+            fn (Closure|GeneratorInterface $generator) => $generator instanceof Closure ? $generator() : $generator,
+            $this->generators
+        );
     }
 }
diff --git a/src/GiiInterface.php b/src/GiiInterface.php
index 2462000f..614435d3 100644
--- a/src/GiiInterface.php
+++ b/src/GiiInterface.php
@@ -4,12 +4,16 @@
 
 namespace Yiisoft\Yii\Gii;
 
+use Closure;
 use Yiisoft\Yii\Gii\Exception\GeneratorNotFoundException;
 
+/**
+ * @psalm-type LazyGenerator = Closure(): GeneratorInterface
+ */
 interface GiiInterface
 {
     /**
-     * @param GeneratorInterface $generator
+     * @psalm-param GeneratorInterface $generator
      */
     public function addGenerator(GeneratorInterface $generator): void;
 
diff --git a/src/Request/GeneratorRequest.php b/src/Request/GeneratorRequest.php
index 70c9fe25..e63568a0 100644
--- a/src/Request/GeneratorRequest.php
+++ b/src/Request/GeneratorRequest.php
@@ -4,28 +4,39 @@
 
 namespace Yiisoft\Yii\Gii\Request;
 
-use Yiisoft\RequestModel\RequestModel;
+use Yiisoft\Hydrator\Temp\RouteArgument;
+use Yiisoft\Input\Http\Attribute\Parameter\Body;
+use Yiisoft\Input\Http\RequestInputInterface;
 use Yiisoft\Yii\Gii\GeneratorInterface;
 use Yiisoft\Yii\Gii\GiiInterface;
 
-final class GeneratorRequest extends RequestModel
+final class GeneratorRequest implements RequestInputInterface
 {
+    #[RouteArgument('generator')]
+    private string $generatorId = '';
+
+    #[Body('answers')]
+    private array $answers = [];
+
+    #[Body('parameters')]
+    private array $parameters = [];
+
     public function __construct(private readonly GiiInterface $gii)
     {
     }
 
     public function getGenerator(): GeneratorInterface
     {
-        return $this->gii->getGenerator($this->getAttributeValue('router.generator'));
+        return $this->gii->getGenerator($this->generatorId);
     }
 
     public function getAnswers(): array
     {
-        return $this->getAttributeValue('body.answers', []);
+        return $this->answers;
     }
 
     public function getBody(): array
     {
-        return $this->getAttributeValue('body.parameters', []);
+        return $this->parameters;
     }
 }