diff --git a/pkgs/development/python-modules/farama-notifications/default.nix b/pkgs/development/python-modules/farama-notifications/default.nix
new file mode 100644
index 000000000000..eb449b53c1c9
--- /dev/null
+++ b/pkgs/development/python-modules/farama-notifications/default.nix
@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "farama-notifications";
+  version = "0.0.4";
+
+  src = fetchFromGitHub {
+    owner = "Farama-Foundation";
+    repo = pname;
+    rev = version;
+    hash = "sha256-UUrJ/5t5x54xs1gweNUhwqrMJQXiyrUPn1bBfTsiPcw=";
+  };
+
+  format = "pyproject";
+
+  nativeBuildInputs = [ setuptools ];
+
+  pythonImportsCheck = [ "farama_notifications" ];
+
+  meta = with lib; {
+    description = "Allows for providing notifications on import to all Farama Packages";
+    homepage = "https://github.com/Farama-Foundation/Farama-Notifications";
+    license = licenses.mit;
+    maintainers = with maintainers; [ GaetanLepage ];
+  };
+}
diff --git a/pkgs/development/python-modules/gymnasium/default.nix b/pkgs/development/python-modules/gymnasium/default.nix
new file mode 100644
index 000000000000..67f0ad094557
--- /dev/null
+++ b/pkgs/development/python-modules/gymnasium/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, setuptools
+, numpy
+, cloudpickle
+, gym-notices
+, jax-jumpy
+, typing-extensions
+, farama-notifications
+, importlib-metadata
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "gymnasium";
+  version = "0.28.1";
+
+  src = fetchFromGitHub {
+    owner = "Farama-Foundation";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-7rRF21H3IxbgmqxvtC370kr0exLgfg3e2tA3J49xuao=";
+  };
+
+  format = "pyproject";
+
+  nativeBuildInputs = [ setuptools ];
+
+  propagatedBuildInputs = [
+    jax-jumpy
+    cloudpickle
+    numpy
+    gym-notices
+    typing-extensions
+    farama-notifications
+  ] ++ lib.optionals (pythonOlder "3.10") [ importlib-metadata ];
+
+  pythonImportsCheck = [ "gymnasium" ];
+
+  meta = with lib; {
+    description = "A standard API for reinforcement learning and a diverse set of reference environments (formerly Gym)";
+    homepage = "https://github.com/Farama-Foundation/Gymnasium";
+    license = licenses.mit;
+    maintainers = with maintainers; [ GaetanLepage ];
+  };
+}
diff --git a/pkgs/development/python-modules/jax-jumpy/default.nix b/pkgs/development/python-modules/jax-jumpy/default.nix
new file mode 100644
index 000000000000..f37677da0283
--- /dev/null
+++ b/pkgs/development/python-modules/jax-jumpy/default.nix
@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "jumpy";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "Farama-Foundation";
+    repo = pname;
+    rev = version;
+    hash = "sha256-tPQ/v2AVnAEC+08BVAvvgJ8Pj89nXZSn2tQ6nxXuSfA=";
+  };
+
+  format = "pyproject";
+
+  nativeBuildInputs = [ setuptools ];
+
+  propagatedBuildInputs = [ numpy ];
+
+  pythonImportsCheck = [ "jumpy" ];
+
+  meta = with lib; {
+    description = "Jumpy is a common backend for NumPy and optionally JAX";
+    homepage = "https://github.com/Farama-Foundation/Jumpy";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ GaetanLepage ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 995a262756e0..ec01726d906a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3310,6 +3310,8 @@ self: super: with self; {
 
   faraday-plugins = callPackage ../development/python-modules/faraday-plugins { };
 
+  farama-notifications = callPackage ../development/python-modules/farama-notifications { };
+
   fastai = callPackage ../development/python-modules/fastai { };
 
   fastapi = callPackage ../development/python-modules/fastapi { };
@@ -4272,6 +4274,8 @@ self: super: with self; {
 
   gym-notices = callPackage ../development/python-modules/gym-notices { };
 
+  gymnasium = callPackage ../development/python-modules/gymnasium { };
+
   gyp = callPackage ../development/python-modules/gyp { };
 
   h11 = callPackage ../development/python-modules/h11 { };
@@ -4924,6 +4928,8 @@ self: super: with self; {
 
   jax = callPackage ../development/python-modules/jax { };
 
+  jax-jumpy = callPackage ../development/python-modules/jax-jumpy { };
+
   jaxlib-bin = callPackage ../development/python-modules/jaxlib/bin.nix {
     cudaSupport = pkgs.config.cudaSupport or false;
   };