diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
new file mode 100644
index 0000000..4e5e7b7
--- /dev/null
+++ b/.github/workflows/codspeed.yml
@@ -0,0 +1,23 @@
+name: codspeed
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  codspeed:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+      - uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4
+        with:
+          node-version: 20
+      - uses: oven-sh/setup-bun@f4d14e03ff726c06358e5557344e1da148b56cf7 # v1
+      - run: bun install
+      - name: Run benchmarks
+        uses: CodSpeedHQ/action@v3
+        with:
+          run: bun run bench
+          token: ${{ secrets.CODSPEED_TOKEN }}
diff --git a/bun.lockb b/bun.lockb
index fd5f816..14b2e36 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index b3181c6..312a14e 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
     "clean": "turbo run clean",
     "test": "turbo run test",
     "test:watch": "turbo run test:watch",
+    "bench": "turbo run bench",
     "coverage": "turbo run coverage",
     "changeset": "changeset",
     "version-packages": "changeset version",
diff --git a/packages/python/package.json b/packages/python/package.json
index e2d078d..0ac50cf 100644
--- a/packages/python/package.json
+++ b/packages/python/package.json
@@ -14,7 +14,7 @@
     "test": "vitest",
     "test:watch": "vitest",
     "coverage": "vitest run --coverage",
-    "bench": "vitest bench"
+    "bench": "vitest bench --run"
   },
   "devDependencies": {
     "typescript": "5.5.4",
@@ -22,6 +22,7 @@
     "tsup": "8.2.3",
     "@microsoft/api-extractor": "7.47.4",
     "@tsconfig/bun": "1.0.7",
-    "@vitest/coverage-v8": "2.0.5"
+    "@vitest/coverage-v8": "2.0.5",
+    "@codspeed/vitest-plugin": "3.1.1"
   }
 }
diff --git a/packages/python/src/built-in/iter.bench.ts b/packages/python/src/built-in/iter.bench.ts
new file mode 100644
index 0000000..aea5fdd
--- /dev/null
+++ b/packages/python/src/built-in/iter.bench.ts
@@ -0,0 +1,5 @@
+import { bench, describe } from "vitest";
+
+describe("iter", () => {
+  bench.todo("unimplemented test");
+});
diff --git a/packages/python/vitest.config.ts b/packages/python/vitest.config.ts
index 33780b3..91edc87 100644
--- a/packages/python/vitest.config.ts
+++ b/packages/python/vitest.config.ts
@@ -1,6 +1,8 @@
+import codspeedPlugin from "@codspeed/vitest-plugin";
 import { defineConfig } from "vitest/config";
 
 export default defineConfig({
+  plugins: [codspeedPlugin()],
   test: {
     coverage: {
       provider: "v8",
diff --git a/turbo.json b/turbo.json
index 2e47179..0fde510 100644
--- a/turbo.json
+++ b/turbo.json
@@ -19,6 +19,9 @@
     "coverage": {
       "outputs": []
     },
+    "bench": {
+      "outputs": []
+    },
     "dev": {
       "persistent": true,
       "cache": false