diff --git a/pkgs/development/python-modules/gepa/default.nix b/pkgs/development/python-modules/gepa/default.nix
new file mode 100644
index 000000000000..c81c06a0ee70
--- /dev/null
+++ b/pkgs/development/python-modules/gepa/default.nix
@@ -0,0 +1,35 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "gepa";
+  version = "0.1.3";
+  pyproject = true;
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "gepa-ai";
+    repo = "gepa";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-9gxOfjiOK1BP+YiAY4SufohMyPaUM5c7jJfJsGnRgSs=";
+  };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "gepa" ];
+
+  # test suite requires network access
+  doCheck = false;
+
+  meta = {
+    description = "A framework for optimizing textual system components using LLM-based reflection and Pareto-efficient evolutionary search";
+    homepage = "https://github.com/gepa-ai/gepa";
+    changelog = "https://github.com/gepa-ai/gepa/releases/tag/v${finalAttrs.version}";
+    maintainers = with lib.maintainers; [ jherland ];
+    license = lib.licenses.mit;
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a951003c2f95..2d09c7fd276d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6668,6 +6668,8 @@ self: super: with self; {
 
   geotorch = callPackage ../development/python-modules/geotorch { };
 
+  gepa = callPackage ../development/python-modules/gepa { };
+
   gepetto-gui = toPythonModule (gepetto-viewer.withPlugins [ gepetto-viewer-corba ]);
 
   gepetto-viewer = toPythonModule (pkgs.gepetto-viewer.override { python3Packages = self; });