diff --git a/scripts/validate-vllm.sh b/scripts/validate-vllm.sh
index 50920c7..76283f6 100755
--- a/scripts/validate-vllm.sh
+++ b/scripts/validate-vllm.sh
@@ -1,93 +1,85 @@
 #!/usr/bin/env bash
-# End-to-end validation test for vLLM Qwen3.6-35B-A3B-FP8 on dankserver
-# Sends a chat completion request and measures prompt processing speed
+# End-to-end validation test for vLLM Qwen3.6-35B-A3B-FP8
+# Tests single stream and 4 parallel streams
 set -euo pipefail
 
-PORT="${PORT:-8000}"
-HOST="${HOST:-127.0.0.1}"
-URL="http://${HOST}:${PORT}"
-MIN_SPEED="${MIN_SPEED:-5.0}"
-MAX_TOKENS="${MAX_TOKENS:-256}"
+HOST="${1:-127.0.0.1}"
+PORT="${2:-8001}"
+NUM_STREAMS=4
 
-echo "=== vLLM Validation Test ==="
-echo "Target: ${URL}"
-echo "Min prompt speed: ${MIN_SPEED} tok/s"
-echo ""
+echo "=== Validating vLLM on ${HOST}:${PORT} ==="
 
-# Wait for server to be ready
-echo "Waiting for server..."
-for i in $(seq 1 300); do
-    if curl -sf "${URL}/health" > /dev/null 2>&1; then
-        echo "Server ready after $((i * 2))s"
-        break
-    fi
-    if [ "$i" -eq 300 ]; then
-        echo "FAIL: Server did not become ready in 600s"
-        exit 1
-    fi
-    sleep 2
-done
+# Test health endpoint
+echo "Health check..."
+if ! curl -sf "http://${HOST}:${PORT}/health" > /dev/null 2>&1; then
+    echo "FAIL: Health check failed"
+    exit 1
+fi
 
-# Send chat completion and measure prompt processing speed
-echo ""
-echo "--- Sending validation prompt ---"
-RESPONSE=$(curl -s -X POST "${URL}/v1/chat/completions" \
+# Single stream test
+echo "Single stream test..."
+START=$(date +%s%N)
+RESPONSE=$(curl -s -X POST "http://${HOST}:${PORT}/v1/chat/completions" \
     -H "Content-Type: application/json" \
-    -d "{
-        \"model\": \"frank-default-large\",
-        \"messages\": [
-            {\"role\": \"user\", \"content\": \"Explain the difference between supervised learning and unsupervised learning in two sentences.\"}
+    -d '{
+        "model": "Qwen/Qwen3.6-35B-A3B-FP8",
+        "messages": [
+            {"role": "user", "content": "Explain the difference between supervised, unsupervised, and reinforcement learning in machine learning. For each type, provide a concrete real-world example, describe the training process, and discuss the advantages and limitations. Then compare them across three dimensions: data requirements, interpretability of results, and computational cost. Finally, describe a hybrid scenario where combining two of these approaches would outperform using either alone."}
         ],
-        \"max_tokens\": ${MAX_TOKENS}
-    }")
+        "max_tokens": 256
+    }')
+END=$(date +%s%N)
+ELAPSED_MS=$(( (END - START) / 1000000 ))
+PROMPT_TOKENS=$(echo "$RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin)['usage']['prompt_tokens'])")
+COMPLETION_TOKENS=$(echo "$RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin)['usage']['completion_tokens'])")
+SINGLE_SPEED=$(python3 -c "print(f'{${PROMPT_TOKENS}/${ELAPSED_MS}*1000:.2f}')")
+echo "Single stream: ${SINGLE_SPEED} tok/s (prompt)"
 
-echo "Response received."
-echo ""
+# Parallel streams test
+echo "Parallel streams test (${NUM_STREAMS} streams)..."
+START=$(date +%s%N)
+TMPDIR=$(mktemp -d)
+for i in $(seq 1 $NUM_STREAMS); do
+    curl -s -X POST "http://${HOST}:${PORT}/v1/chat/completions" \
+        -H "Content-Type: application/json" \
+        -d '{
+            "model": "Qwen/Qwen3.6-35B-A3B-FP8",
+            "messages": [
+                {"role": "user", "content": "Explain the difference between supervised, unsupervised, and reinforcement learning in machine learning. For each type, provide a concrete real-world example, describe the training process, and discuss the advantages and limitations. Then compare them across three dimensions: data requirements, interpretability of results, and computational cost. Finally, describe a hybrid scenario where combining two of these approaches would outperform using either alone."}
+            ],
+            "max_tokens": 256
+        }' > "$TMPDIR/$i.json" &
+done
+wait
+END=$(date +%s%N)
+ELAPSED_MS=$(( (END - START) / 1000000 ))
 
-# Parse timing from response
-echo "$RESPONSE" | python3 -c "
-import sys, json
+# Aggregate results from all streams
+TOTAL_PROMPT=0
+TOTAL_COMPLETION=0
+for i in $(seq 1 $NUM_STREAMS); do
+    PT=$(python3 -c "import json; print(json.load(open('$TMPDIR/$i.json'))['usage']['prompt_tokens'])")
+    CT=$(python3 -c "import json; print(json.load(open('$TMPDIR/$i.json'))['usage']['completion_tokens'])")
+    TOTAL_PROMPT=$((TOTAL_PROMPT + PT))
+    TOTAL_COMPLETION=$((TOTAL_COMPLETION + CT))
+done
+rm -rf "$TMPDIR"
 
-data = json.load(sys.stdin)
-
-# Check for errors
-if 'error' in data:
-    print(f'ERROR: {data[\"error\"]}')
-    sys.exit(1)
-
-# Extract usage info
-usage = data.get('usage', {})
-prompt_tokens = usage.get('prompt_tokens', 0)
-completion_tokens = usage.get('completion_tokens', 0)
-
-print(f'Prompt tokens:   {prompt_tokens}')
-print(f'Completion tokens: {completion_tokens}')
-
-# Extract timing details
-prompt_details = usage.get('prompt_details', {})
-if prompt_details:
-    prompt_time = prompt_details.get('total_time', 0)
-    speed = prompt_tokens / prompt_time if prompt_time > 0 else 0
-    print(f'Prompt time:   {prompt_time:.4f}s')
-    print(f'Prompt speed:  {speed:.1f} tok/s')
-    
-    if speed < float('${MIN_SPEED}'):
-        print(f'FAIL: Speed {speed:.1f} tok/s < {\"${MIN_SPEED}\"} tok/s')
-        sys.exit(1)
-    else:
-        print(f'PASS: Speed {speed:.1f} tok/s >= {\"${MIN_SPEED}\"} tok/s')
-else:
-    # Fallback: use total_time from usage
-    total_time = usage.get('total_time', 0)
-    if total_time > 0 and prompt_tokens > 0:
-        speed = prompt_tokens / total_time
-        print(f'Total time:    {total_time:.4f}s')
-        print(f'Est. prompt speed: {speed:.1f} tok/s')
-        print('PASS (response received)')
-    else:
-        print('No timing details available')
-        print('PASS (response received)')
-"
+PARALLEL_SPEED=$(python3 -c "print(f'{${TOTAL_PROMPT}/${ELAPSED_MS}*1000:.2f}')")
 
 echo ""
-echo "=== Validation complete ==="
+echo "=== Results ==="
+echo "Single stream prompt speed:   ${SINGLE_SPEED} tok/s"
+echo "Parallel streams prompt speed: ${PARALLEL_SPEED} tok/s (${NUM_STREAMS} streams, ${TOTAL_PROMPT} total prompt tokens)"
+echo "Parallel completion speed:    $(python3 -c "print(f'{${TOTAL_COMPLETION}/${ELAPSED_MS}*1000:.2f}')") tok/s"
+echo "Total parallel time:          ${ELAPSED_MS}ms"
+echo ""
+
+# Fail if parallel speed < 5 tok/s
+if python3 -c "import sys; sys.exit(0 if ${TOTAL_PROMPT}/${ELAPSED_MS}*1000 >= 5 else 1)"; then
+    echo "PASS: Validation successful"
+    echo "$PARALLEL_SPEED" > /tmp/vllm_prompt_speed.txt
+else
+    echo "FAIL: Parallel prompt speed ${PARALLEL_SPEED} tok/s is below 5 tok/s threshold"
+    exit 1
+fi