diff --git a/.github/scripts/auto-label-pr/constants.js b/.github/scripts/auto-label-pr/constants.js
index 8c3a62cf19..1c33772c4c 100644
--- a/.github/scripts/auto-label-pr/constants.js
+++ b/.github/scripts/auto-label-pr/constants.js
@@ -14,6 +14,7 @@ module.exports = {
     'chained-pr',
     'core',
     'small-pr',
+    'medium-pr',
     'dashboard',
     'github-actions',
     'by-code-owner',
diff --git a/.github/scripts/auto-label-pr/detectors.js b/.github/scripts/auto-label-pr/detectors.js
index 832fcb41db..fc63198019 100644
--- a/.github/scripts/auto-label-pr/detectors.js
+++ b/.github/scripts/auto-label-pr/detectors.js
@@ -103,7 +103,7 @@ async function detectCoreChanges(changedFiles) {
 }
 
 // Strategy: PR size detection
-async function detectPRSize(prFiles, totalAdditions, totalDeletions, totalChanges, isMegaPR, SMALL_PR_THRESHOLD, TOO_BIG_THRESHOLD) {
+async function detectPRSize(prFiles, totalAdditions, totalDeletions, totalChanges, isMegaPR, SMALL_PR_THRESHOLD, MEDIUM_PR_THRESHOLD, TOO_BIG_THRESHOLD) {
   const labels = new Set();
 
   if (totalChanges <= SMALL_PR_THRESHOLD) {
@@ -111,6 +111,11 @@ async function detectPRSize(prFiles, totalAdditions, totalDeletions, totalChange
     return labels;
   }
 
+  if (totalChanges <= MEDIUM_PR_THRESHOLD) {
+    labels.add('medium-pr');
+    return labels;
+  }
+
   const testAdditions = prFiles
     .filter(file => file.filename.startsWith('tests/'))
     .reduce((sum, file) => sum + (file.additions || 0), 0);
diff --git a/.github/scripts/auto-label-pr/index.js b/.github/scripts/auto-label-pr/index.js
index 483d2cb626..42588c0bc8 100644
--- a/.github/scripts/auto-label-pr/index.js
+++ b/.github/scripts/auto-label-pr/index.js
@@ -35,6 +35,7 @@ async function fetchApiData() {
 module.exports = async ({ github, context }) => {
   // Environment variables
   const SMALL_PR_THRESHOLD = parseInt(process.env.SMALL_PR_THRESHOLD);
+  const MEDIUM_PR_THRESHOLD = parseInt(process.env.MEDIUM_PR_THRESHOLD);
   const MAX_LABELS = parseInt(process.env.MAX_LABELS);
   const TOO_BIG_THRESHOLD = parseInt(process.env.TOO_BIG_THRESHOLD);
   const COMPONENT_LABEL_THRESHOLD = parseInt(process.env.COMPONENT_LABEL_THRESHOLD);
@@ -120,7 +121,7 @@ module.exports = async ({ github, context }) => {
     detectNewComponents(prFiles),
     detectNewPlatforms(prFiles, apiData),
     detectCoreChanges(changedFiles),
-    detectPRSize(prFiles, totalAdditions, totalDeletions, totalChanges, isMegaPR, SMALL_PR_THRESHOLD, TOO_BIG_THRESHOLD),
+    detectPRSize(prFiles, totalAdditions, totalDeletions, totalChanges, isMegaPR, SMALL_PR_THRESHOLD, MEDIUM_PR_THRESHOLD, TOO_BIG_THRESHOLD),
     detectDashboardChanges(changedFiles),
     detectGitHubActionsChanges(changedFiles),
     detectCodeOwner(github, context, changedFiles),
diff --git a/.github/workflows/auto-label-pr.yml b/.github/workflows/auto-label-pr.yml
index 6fcb50b70a..6376cf877e 100644
--- a/.github/workflows/auto-label-pr.yml
+++ b/.github/workflows/auto-label-pr.yml
@@ -12,6 +12,7 @@ permissions:
 
 env:
   SMALL_PR_THRESHOLD: 30
+  MEDIUM_PR_THRESHOLD: 100
   MAX_LABELS: 15
   TOO_BIG_THRESHOLD: 1000
   COMPONENT_LABEL_THRESHOLD: 10