diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
new file mode 100644
index 0000000..b773ced
--- /dev/null
+++ b/.github/workflows/pages.yml
@@ -0,0 +1,36 @@
+# Publishes the comparison gallery to GitHub Pages.
+# Site root = test/compare/gallery (index.html has its entries inlined, so the
+# site is fully static; per-brief renders + scores ship inside the artifact).
+name: Pages
+
+on:
+  push:
+    branches: [master]
+    paths:
+      - "test/compare/gallery/**"
+      - ".github/workflows/pages.yml"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/configure-pages@v5
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: test/compare/gallery
+      - id: deployment
+        uses: actions/deploy-pages@v4