diff --git a/dev-python/simsimd/Manifest b/dev-python/simsimd/Manifest
index e2e30cdf5ba83..4c2072e6760ad 100644
--- a/dev-python/simsimd/Manifest
+++ b/dev-python/simsimd/Manifest
@@ -1 +1,2 @@
 DIST SimSIMD-6.4.7.gh.tar.gz 221008 BLAKE2B 074c6d466a3b091fdba61d5896dc88adda516e90218940106a139249c70a27f51538a44fafe68159aba81e0c2b4662741d596e3258ad6a0147b69eef4e160b90 SHA512 73caaf4aa4b9de338d3f7205c60c6c2476ebf692d58ba9ae29797ab70c556fbf4e2acc111e5c48abc948addec3911e526bc77fe89a0624f7c02487d61da20f6b
+DIST SimSIMD-6.4.9.gh.tar.gz 221231 BLAKE2B 088ed41affc07c51818999688fe12c37f97de5bfe2401b25fe92f76c013fd88e1648d9a4e04db6c1e05a79cd21ea0b2d3ac36ac1626f1bd9236cb997448bbd4f SHA512 c08656215c4c909de2446f94e42ddb3b1d965656f58c6f4c17245c12d1b7134ab0d61318918c61ed9c3270d8108004ae0ac0502e3da6f6ba66ed0ab37aeaaa8a
diff --git a/dev-python/simsimd/simsimd-6.4.9.ebuild b/dev-python/simsimd/simsimd-6.4.9.ebuild
new file mode 100644
index 0000000000000..2855eb30f7fbf
--- /dev/null
+++ b/dev-python/simsimd/simsimd-6.4.9.ebuild
@@ -0,0 +1,64 @@
+# Copyright 2024-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( pypy3_11 python3_{11..14} )
+
+inherit distutils-r1 toolchain-funcs
+
+MY_P=SimSIMD-${PV}
+DESCRIPTION="Fastest SIMD-Accelerated Vector Similarity Functions for x86 and Arm"
+HOMEPAGE="
+	https://github.com/ashvardanian/SimSIMD/
+	https://pypi.org/project/simsimd/
+"
+# no sdist, as of 4.3.1
+# https://github.com/ashvardanian/SimSIMD/issues/113
+SRC_URI="
+	https://github.com/ashvardanian/SimSIMD/archive/v${PV}.tar.gz
+		-> ${MY_P}.gh.tar.gz
+"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="openmp"
+
+BDEPEND="
+	test? (
+		dev-python/pytest-repeat[${PYTHON_USEDEP}]
+		dev-python/tabulate[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
+		tc-check-openmp
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
+		tc-check-openmp
+	fi
+}
+
+src_prepare() {
+	sed -i -e '/-O3/d' setup.py || die
+	if ! use openmp; then
+		sed -i -e '/-fopenmp/d' setup.py || die
+	fi
+
+	distutils-r1_src_prepare
+}
+
+python_test() {
+	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+	epytest -p repeat scripts/test.py
+}