diff --git a/admin/app/services/benchmark_service.ts b/admin/app/services/benchmark_service.ts
index 3741d4a..5aeb6f5 100644
--- a/admin/app/services/benchmark_service.ts
+++ b/admin/app/services/benchmark_service.ts
@@ -116,6 +116,15 @@ export class BenchmarkService {
       throw new Error('No benchmark result found to submit')
     }
 
+    // Only allow full benchmarks with AI data to be submitted to repository
+    if (result.benchmark_type !== 'full') {
+      throw new Error('Only full benchmarks can be shared with the community. Run a Full Benchmark to share your results.')
+    }
+
+    if (!result.ai_tokens_per_second || result.ai_tokens_per_second <= 0) {
+      throw new Error('Benchmark must include AI performance data. Ensure AI Assistant is installed and run a Full Benchmark.')
+    }
+
     if (result.submitted_to_repository) {
       throw new Error('Benchmark result has already been submitted')
     }
diff --git a/admin/inertia/pages/settings/benchmark.tsx b/admin/inertia/pages/settings/benchmark.tsx
index 9a478ef..bbcb89d 100644
--- a/admin/inertia/pages/settings/benchmark.tsx
+++ b/admin/inertia/pages/settings/benchmark.tsx
@@ -1,4 +1,4 @@
-import { Head } from '@inertiajs/react'
+import { Head, Link } from '@inertiajs/react'
 import { useState, useEffect } from 'react'
 import SettingsLayout from '~/layouts/SettingsLayout'
 import { useQuery, useMutation } from '@tanstack/react-query'
@@ -31,6 +31,23 @@ export default function BenchmarkPage(props: {
   const [progress, setProgress] = useState<BenchmarkProgressWithID | null>(null)
   const [isRunning, setIsRunning] = useState(props.benchmark.status !== 'idle')
   const [showDetails, setShowDetails] = useState(false)
+  const [showAIRequiredAlert, setShowAIRequiredAlert] = useState(false)
+
+  // Check if AI Assistant is installed
+  const { data: aiInstalled } = useQuery({
+    queryKey: ['services', 'ai-installed'],
+    queryFn: async () => {
+      const res = await fetch('/api/system/services')
+      const data = await res.json()
+      const services = Array.isArray(data) ? data : (data.services || [])
+      const openWebUI = services.find((s: any) =>
+        s.service_name === 'nomad_open_webui' || s.serviceName === 'nomad_open_webui'
+      )
+      return openWebUI?.installed === true || openWebUI?.installed === 1
+    },
+    staleTime: 0,
+    refetchOnMount: true,
+  })
 
   // Fetch latest result
   const { data: latestResult, refetch: refetchLatest } = useQuery({
@@ -124,6 +141,23 @@ export default function BenchmarkPage(props: {
     },
   })
 
+  // Check if the latest result is a full benchmark with AI data (eligible for sharing)
+  const canShareBenchmark = latestResult &&
+    latestResult.benchmark_type === 'full' &&
+    latestResult.ai_tokens_per_second !== null &&
+    latestResult.ai_tokens_per_second > 0 &&
+    !latestResult.submitted_to_repository
+
+  // Handle Full Benchmark click with pre-flight check
+  const handleFullBenchmarkClick = () => {
+    if (!aiInstalled) {
+      setShowAIRequiredAlert(true)
+      return
+    }
+    setShowAIRequiredAlert(false)
+    runBenchmark.mutate('full')
+  }
+
   // Simulate progress during sync benchmark (since we don't get SSE updates)
   useEffect(() => {
     if (!isRunning || progress?.status === 'completed' || progress?.status === 'error') return
@@ -269,13 +303,30 @@ export default function BenchmarkPage(props: {
                       onDismiss={() => setProgress(null)}
                     />
                   )}
+                  {showAIRequiredAlert && (
+                    <Alert
+                      type="warning"
+                      title="AI Assistant Required"
+                      message="Full benchmark requires AI Assistant to be installed. Install it to measure your complete NOMAD capability and share results with the community."
+                      variant="bordered"
+                      dismissible
+                      onDismiss={() => setShowAIRequiredAlert(false)}
+                    >
+                      <Link
+                        href="/settings/apps"
+                        className="text-sm text-desert-green hover:underline mt-2 inline-block font-medium"
+                      >
+                        Go to Apps to install AI Assistant →
+                      </Link>
+                    </Alert>
+                  )}
                   <p className="text-desert-stone-dark">
                     Run a benchmark to measure your system's CPU, memory, disk, and AI inference performance.
                     The benchmark takes approximately 2-5 minutes to complete.
                   </p>
                   <div className="flex flex-wrap gap-4">
                     <StyledButton
-                      onClick={() => runBenchmark.mutate('full')}
+                      onClick={handleFullBenchmarkClick}
                       disabled={runBenchmark.isPending}
                       icon='PlayIcon'
                     >
@@ -292,12 +343,21 @@ export default function BenchmarkPage(props: {
                     <StyledButton
                       variant="secondary"
                       onClick={() => runBenchmark.mutate('ai')}
-                      disabled={runBenchmark.isPending}
+                      disabled={runBenchmark.isPending || !aiInstalled}
                       icon='SparklesIcon'
+                      title={!aiInstalled ? 'AI Assistant must be installed to run AI benchmark' : undefined}
                     >
                       AI Only
                     </StyledButton>
                   </div>
+                  {!aiInstalled && (
+                    <p className="text-sm text-desert-stone-dark">
+                      <span className="text-amber-600">Note:</span> AI Assistant is not installed.
+                      <Link href="/settings/apps" className="text-desert-green hover:underline ml-1">
+                        Install it
+                      </Link> to run full benchmarks and share results with the community.
+                    </p>
+                  )}
                 </div>
               )}
             </div>
@@ -331,7 +391,9 @@ export default function BenchmarkPage(props: {
                       <p className="text-desert-stone-dark">
                         Your NOMAD Score is a weighted composite of all benchmark results.
                       </p>
-                      {!latestResult.submitted_to_repository && (
+
+                      {/* Share with Community - Only for full benchmarks with AI data */}
+                      {canShareBenchmark && (
                         <div className="space-y-3">
                           <p className="text-sm text-desert-stone-dark">
                             Share your benchmark score anonymously with the NOMAD community. Only your hardware specs and scores are sent — no identifying information.
@@ -355,6 +417,17 @@ export default function BenchmarkPage(props: {
                           )}
                         </div>
                       )}
+
+                      {/* Show message for partial benchmarks */}
+                      {latestResult && !latestResult.submitted_to_repository && !canShareBenchmark && (
+                        <Alert
+                          type="info"
+                          title="Partial Benchmark"
+                          message={`This ${latestResult.benchmark_type} benchmark cannot be shared with the community. Run a Full Benchmark with AI Assistant installed to share your results.`}
+                          variant="bordered"
+                        />
+                      )}
+
                       {latestResult.submitted_to_repository && (
                         <Alert
                           type="success"