diff --git a/README.md b/README.md
index ce7477c..c4fc8db 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Options:
   -i, --input FILENAME     [required]
   -o, --output PATH        [required]
   -t, --template-dir PATH
+  -m, --model-file         Specify generated model file path + name, if not default to models.py
   --install-completion     Install completion for the current shell.
   --show-completion        Show completion for the current shell, to copy it
                            or customize the installation.
diff --git a/fastapi_code_generator/__main__.py b/fastapi_code_generator/__main__.py
index b42a783..cf314df 100644
--- a/fastapi_code_generator/__main__.py
+++ b/fastapi_code_generator/__main__.py
@@ -16,18 +16,20 @@
 
 BUILTIN_TEMPLATE_DIR = Path(__file__).parent / "template"
 
-MODEL_PATH: Path = Path("models.py")
-
-
 @app.command()
 def main(
     input_file: typer.FileText = typer.Option(..., "--input", "-i"),
     output_dir: Path = typer.Option(..., "--output", "-o"),
+    model_file: str = typer.Option(None, "--model-file", "-m"),
     template_dir: Optional[Path] = typer.Option(None, "--template-dir", "-t"),
 ) -> None:
     input_name: str = input_file.name
     input_text: str = input_file.read()
-    return generate_code(input_name, input_text, output_dir, template_dir)
+    if model_file:
+        model_path = Path(f"{model_file}.py")
+    else:
+        model_path = Path("models.py")
+    return generate_code(input_name, input_text, output_dir, template_dir, model_path)
 
 
 def _get_most_of_reference(data_type: DataType) -> Optional[Reference]:
@@ -41,7 +43,7 @@ def _get_most_of_reference(data_type: DataType) -> Optional[Reference]:
 
 
 def generate_code(
-    input_name: str, input_text: str, output_dir: Path, template_dir: Optional[Path]
+    input_name: str, input_text: str, output_dir: Path, template_dir: Optional[Path], model_path: Path
 ) -> None:
     if not output_dir.exists():
         output_dir.mkdir(parents=True)
@@ -54,7 +56,7 @@ def generate_code(
     if not models:
         return
     elif isinstance(models, str):
-        output = output_dir / MODEL_PATH
+        output = output_dir / model_path
         modules = {output: (models, input_name)}
     else:
         raise Exception('Modular references are not supported in this version')
@@ -72,7 +74,7 @@ def generate_code(
         if reference:
             imports.append(data_type.all_imports)
             imports.append(
-                Import.from_full_path(f'.{MODEL_PATH.stem}.{reference.name}')
+                Import.from_full_path(f'.{model_path.stem}.{reference.name}')
             )
     for from_, imports_ in parser.imports_for_fastapi.items():
         imports[from_].update(imports_)