diff --git a/pkgs/development/python-modules/python-open-router/default.nix b/pkgs/development/python-modules/python-open-router/default.nix
new file mode 100644
index 000000000000..76abdf1da097
--- /dev/null
+++ b/pkgs/development/python-modules/python-open-router/default.nix
@@ -0,0 +1,55 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  poetry-core,
+  aiohttp,
+  yarl,
+  mashumaro,
+  orjson,
+  pytestCheckHook,
+  pytest-asyncio,
+  pytest-cov-stub,
+  aioresponses,
+  syrupy,
+}:
+
+buildPythonPackage rec {
+  pname = "python-open-router";
+  version = "0.3.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "joostlek";
+    repo = "python-open-router";
+    tag = "v${version}";
+    hash = "sha256-EoLBlgXKrAo2DKOuLGvN3MbWIJIG+Ehtznegnq3VX44=";
+  };
+
+  build-system = [ poetry-core ];
+
+  dependencies = [
+    aiohttp
+    yarl
+    mashumaro
+    orjson
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-asyncio
+    pytest-cov-stub
+    aioresponses
+    syrupy
+  ];
+
+  pythonImportsCheck = [ "python_open_router" ];
+
+  meta = {
+    description = "Asynchronous Python client for Open Router";
+    homepage = "https://github.com/joostlek/python-open-router";
+    changelog = "https://github.com/joostlek/python-open-router/releases/tag/v${version}";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index fcb31858a7ee..cf6aa4f9f917 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -4176,7 +4176,8 @@
         openai
         pymicro-vad
         pyspeex-noise
-      ]; # missing inputs: python-open-router
+        python-open-router
+      ];
     "openai_conversation" =
       ps: with ps; [
         ha-ffmpeg
@@ -7438,6 +7439,7 @@
     "onkyo"
     "onvif"
     "open_meteo"
+    "open_router"
     "openai_conversation"
     "openalpr_cloud"
     "openerz"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4e9f5f12e5c3..44f6ae2d6caf 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14739,6 +14739,8 @@ self: super: with self; {
 
   python-on-whales = callPackage ../development/python-modules/python-on-whales { };
 
+  python-open-router = callPackage ../development/python-modules/python-open-router { };
+
   python-opendata-transport = callPackage ../development/python-modules/python-opendata-transport { };
 
   python-openems = callPackage ../development/python-modules/python-openems { };