diff --git a/.github/workflows/build-benchmark-apk.yml b/.github/workflows/build-benchmark-apk.yml
new file mode 100644
index 000000000..a9e338b31
--- /dev/null
+++ b/.github/workflows/build-benchmark-apk.yml
@@ -0,0 +1,56 @@
+name: Build Benchmark APK
+
+on:
+  push:
+    branches:
+      - 'claude/**'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-benchmark:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'zulu'
+          java-version: 21
+
+      - name: Cache gradle
+        uses: actions/cache@v5
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Build Benchmark APK
+        run: ./gradlew assemblePlayBenchmark
+
+      - name: Upload Play Benchmark APK
+        id: upload
+        uses: actions/upload-artifact@v6
+        with:
+          name: Play Benchmark APK
+          path: amethyst/build/outputs/apk/play/benchmark/amethyst-play-universal-benchmark.apk
+
+      - name: Comment on commit with APK link
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
+            await github.rest.repos.createCommitComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              commit_sha: context.sha,
+              body: `📦 **Benchmark APK ready!**\n\nDownload it from the [workflow run artifacts](${runUrl}#artifacts).`
+            });