diff --git a/README.md b/README.md
index d410e21..67a02f7 100644
--- a/README.md
+++ b/README.md
@@ -951,7 +951,7 @@ The available endpoints for the LLaMA Box server mode are:
 ## Tools
 
 It was so hard to find a Chat UI that was directly compatible with OpenAI,
-that mean, no installation required (I can live with `docker run`),
+that mean, no installation required (we can live with `docker run`),
 no tokens (or optional), no [Ollama](https://github.com/ollama/ollama) required, just a simple RESTful API.
 
 So we are inspired by
@@ -984,6 +984,12 @@ $ # interactive image editing
 $ IMAGE=/path/to/image.png ./llama-box/tools/image_generate.sh
 ```
 
+And we also provide a tool for batch testing with the LLaMA Box.
+
+```shell
+$ ./llama-box/tools/batch.sh
+```
+
 ## License
 
 MIT
diff --git a/llama-box/tools/batch.sh b/llama-box/tools/batch.sh
new file mode 100755
index 0000000..5fbbb02
--- /dev/null
+++ b/llama-box/tools/batch.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+set -e
+
+user_contents=(
+  "Introduce China in at least 500 words."
+  "Hello, please introduce yourself in at least 100 words."
+  "Write a simple number guessing game in Python."
+  "How to make an apple juice? Please write down the steps in detail."
+  "Long long ago, there was a girl and a boy ... Now, tell me a story about a cat and a dog in at least 300 words."
+  "I want to travel to Hong Kong. Are there any recommended attractions? Also, I live in New York. How can I get there?"
+  "I want to use thread pools in Java programming, what issues do I need to pay attention to?"
+  "Detailed analysis of the three major attention mechanisms in the Transformer architecture used by large models."
+)
+api_server="${API_SERVER:-http://127.0.0.1:8080}"
+temp=${TEMP:-1}
+top_p=${TOP_P:-0.95}
+min_p=${MIN_P:-0.05}
+top_k=${TOP_K:-40}
+max_tokens=${MAX_TOKENS:-1024}
+seed=${SEED:-$(date +%s)}
+
+function request() {
+  rm -rf /tmp/response_*.json
+  
+  cc=${1:-1}
+
+  # start
+  if command -v gdate >/dev/null 2>&1; then
+    start_time=$(gdate +%s%N)
+  else 
+    start_time=$(date +%s%N)
+  fi
+
+  # requesting
+  for ((i=0; i<cc; i++))
+  do
+    idx=$(echo "$i % ${#user_contents[@]}" | bc)
+    curl -ks ${api_server}/v1/chat/completions \
+    -H "Content-Type: application/json" \
+    -d "{\"temperature\":${temp},\"top_p\":${top_p},\"min_p\":${min_p},\"top_k\":${top_k},\"max_tokens\":${max_tokens},\"seed\":${seed},\"messages\":[{\"role\":\"user\",\"content\":\"${user_contents[$idx]}\"}]}" > "/tmp/response_$i.json" &
+  done
+  wait
+
+  # end
+  if command -v gdate >/dev/null 2>&1; then
+    end_time=$(gdate +%s%N)
+  else 
+    end_time=$(date +%s%N)
+  fi
+  tt=$((($end_time - $start_time) / 1000000))
+
+  # observe
+  oks=$cc
+  ppss=0
+  dpss=0
+  pts=0
+  dts=0
+  for ((i=0; i<cc; i++))
+  do
+    pps=$(jq '.usage.prompt_tokens_per_second' "/tmp/response_$i.json")
+    dps=$(jq '.usage.tokens_per_second' "/tmp/response_$i.json")
+    pt=$(jq '.usage.prompt_tokens' "/tmp/response_$i.json")
+    ct=$(jq '.usage.completion_tokens' "/tmp/response_$i.json")
+    if [[ -n "${pps}" ]] && [[ "${pps}" != "null" ]]; then
+      ppss=$(echo "$ppss + $pps" | bc)
+    elif [[ -n "${pps}" ]]; then
+      oks=$((oks - 1))
+    fi
+    if [[ -n "${dps}" ]] && [[ "${dps}" != "null" ]]; then
+      dpss=$(echo "$dpss + $dps" | bc)
+    fi
+    pts=$((pts + pt))
+    dts=$((dts + ct))
+  done
+  tts=$((pts + dts))
+
+  # result
+  tps=$(echo "scale=2; $tts * 1000 / $tt" | bc)
+  avg_pps=$(echo "scale=2; $pts * 1000 / $tt / $oks" | bc)
+  avg_dps=$(echo "scale=2; $dts * 1000 / $tt / $oks" | bc)
+  if [[ "${ppss}" != "0" ]]; then
+    avg_pps=$(echo "scale=2; $ppss / $oks" | bc)
+  fi
+  if [[ "${dpss}" != "0" ]]; then
+    avg_dps=$(echo "scale=2; $dpss / $oks" | bc)
+  fi
+  printf " %2d (%2d) |%8d ms |%7d (%7d, %7d) |%9.2f tps |%9.2f tps |%9.2f tps \n" $cc $oks $tt $tts $pts $dts $tps $avg_pps $avg_dps
+}
+
+echo "API_SERVER=${api_server} TEMP=${temp} TOP_P=${top_p} MIN_P=${min_p} TOP_K=${top_k} MAX_TOKENS=${max_tokens} SEED=${seed}"
+echo " cc (ok) |    cost    | tokens (prefill, decoded) |  throughput  | avg. prefill | avg. decoded  "
+echo "---------|------------|---------------------------|--------------|--------------|-------------- "
+if [[ -n "${1:-}" ]]; then
+  request "${1}"
+else
+  batchs=(1 16 12 8 6 5 4 3 2 1)
+  for ((j=0; j<${#batchs[@]}; j++)); do
+    if [[ $j == 0 ]]; then
+      request "${batchs[$j]}" >/dev/null 2>&1
+      continue;
+    fi
+    request "${batchs[$j]}"
+  done
+fi
+