diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e7887de1c0..414cc81b748 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     permissions:
       contents: read
     if: github.event_name != 'pull_request' || !github.event.pull_request.draft
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 20
     outputs:
       docs_only: ${{ steps.manifest.outputs.docs_only }}
@@ -302,7 +302,7 @@ jobs:
     permissions:
       contents: read
     if: github.event_name != 'pull_request' || !github.event.pull_request.draft
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 20
     env:
       PRE_COMMIT_CACHE_KEY_SUFFIX: ${{ github.event_name == 'pull_request' && github.event.pull_request.base.sha || github.sha }}
@@ -584,7 +584,7 @@ jobs:
     name: "checks-fast-protocol"
     needs: [preflight]
     if: needs.preflight.outputs.run_checks_fast == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 30
     steps:
       - name: Checkout
@@ -649,7 +649,7 @@ jobs:
     name: ${{ matrix.check_name }}
     needs: [preflight]
     if: needs.preflight.outputs.run_checks_fast == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 60
     strategy:
       fail-fast: false
@@ -719,7 +719,7 @@ jobs:
     name: checks-node-extensions
     needs: [preflight, checks-node-extensions-shard]
     if: always() && needs.preflight.outputs.run_checks_fast == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 5
     steps:
       - name: Verify extension shards
@@ -1001,7 +1001,7 @@ jobs:
     name: checks-node-core
     needs: [preflight, checks-node-core-test-shard]
     if: always() && needs.preflight.outputs.run_checks == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 5
     steps:
       - name: Verify node test shards
@@ -1019,7 +1019,7 @@ jobs:
     name: "extension-fast"
     needs: [preflight]
     if: needs.preflight.outputs.run_extension_fast == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 60
     strategy:
       fail-fast: false
@@ -1310,7 +1310,7 @@ jobs:
     name: "check-additional"
     needs: [preflight, check-additional-shard]
     if: always() && needs.preflight.outputs.run_check_additional == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 5
     steps:
       - name: Verify additional check shards
@@ -1328,7 +1328,7 @@ jobs:
     name: "build-smoke"
     needs: [preflight, build-artifacts]
     if: always() && needs.preflight.outputs.run_build_smoke == 'true' && (github.event_name != 'push' || needs.build-artifacts.result == 'success')
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 20
     steps:
       - name: Checkout
@@ -1424,7 +1424,7 @@ jobs:
       contents: read
     needs: [preflight]
     if: needs.preflight.outputs.run_check_docs == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 20
     steps:
       - name: Checkout
@@ -1488,7 +1488,7 @@ jobs:
       contents: read
     needs: [preflight]
     if: needs.preflight.outputs.run_skills_python_job == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 20
     steps:
       - name: Checkout
@@ -1826,7 +1826,7 @@ jobs:
     name: ${{ matrix.check_name }}
     needs: [preflight]
     if: needs.preflight.outputs.run_android_job == 'true'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     timeout-minutes: 20
     strategy:
       fail-fast: false
diff --git a/.github/workflows/install-smoke.yml b/.github/workflows/install-smoke.yml
index 2a61a525b83..a995000dcf9 100644
--- a/.github/workflows/install-smoke.yml
+++ b/.github/workflows/install-smoke.yml
@@ -20,7 +20,7 @@ env:
 jobs:
   preflight:
     if: github.event_name != 'pull_request' || !github.event.pull_request.draft
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     outputs:
       docs_only: ${{ steps.manifest.outputs.docs_only }}
       run_install_smoke: ${{ steps.manifest.outputs.run_install_smoke }}
diff --git a/.github/workflows/workflow-sanity.yml b/.github/workflows/workflow-sanity.yml
index 830a50188ac..a2d7b6cc1bd 100644
--- a/.github/workflows/workflow-sanity.yml
+++ b/.github/workflows/workflow-sanity.yml
@@ -19,7 +19,7 @@ env:
 jobs:
   no-tabs:
     if: github.event_name != 'workflow_dispatch'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -51,7 +51,7 @@ jobs:
 
   actionlint:
     if: github.event_name != 'workflow_dispatch'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -83,7 +83,7 @@ jobs:
 
   generated-doc-baselines:
     if: github.event_name == 'workflow_dispatch'
-    runs-on: blacksmith-32vcpu-ubuntu-2404
+    runs-on: blacksmith-16vcpu-ubuntu-2404
     steps:
       - name: Checkout
         uses: actions/checkout@v6