diff --git a/README.md b/README.md
index 31e80574..f7804160 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,9 @@ Just like a compass guides us on our journey, OpenCompass will guide you through
 
 ## News
 
-- **\[2023.07.27\]** We have supported [CMMLU](https://github.com/haonan-li/CMMLU)! More datasets are welcomed to join OpenCompass. 🔥🔥🔥.
+- **\[2023.08.07\]** We have added a [script](tools/eval_mmbench.py) for users to evaluate the inference results of [MMBench](https://opencompass.org.cn/MMBench)-dev. 🔥🔥🔥.
+- **\[2023.08.05\]** We have supported [GPT-4](https://openai.com/gpt-4) and [Qwen-7B](https://github.com/QwenLM/Qwen-7B)! Go to our [leaderboard](https://opencompass.org.cn/leaderboard-llm) for more results! More models are welcome to join OpenCompass. 🔥🔥🔥.
+- **\[2023.07.27\]** We have supported [CMMLU](https://github.com/haonan-li/CMMLU)! More datasets are welcome to join OpenCompass. 🔥🔥🔥.
 - **\[2023.07.21\]** Performances of Llama-2 are available in [OpenCompass leaderboard](https://opencompass.org.cn/leaderboard-llm)!  🔥🔥🔥.
 - **\[2023.07.19\]** We have supported [Llama-2](https://ai.meta.com/llama/)! Its performance report will be available soon. \[[Doc](./docs/en/get_started.md#Installation)\] 🔥🔥🔥.
 - **\[2023.07.13\]** We release [MMBench](https://opencompass.org.cn/MMBench), a meticulously curated dataset to comprehensively evaluate different abilities of multimodality models 🔥🔥🔥.
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 7261f5f6..e596e4e5 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -27,6 +27,8 @@
 
 ## 更新
 
+- **\[2023.08.07\]** 新增了 [MMBench 评测脚本](tools/eval_mmbench.py) 以支持用户自行获取 [MMBench](https://opencompass.org.cn/MMBench)-dev 的测试结果. 🔥🔥🔥.
+- **\[2023.08.05\]** [GPT-4](https://openai.com/gpt-4) 与 [Qwen-7B](https://github.com/QwenLM/Qwen-7B) 的评测结果已更新在 OpenCompass [大语言模型评测榜单](https://opencompass.org.cn/leaderboard-llm)! 🔥🔥🔥.
 - **\[2023.07.27\]** 新增了 [CMMLU](https://github.com/haonan-li/CMMLU)! 欢迎更多的数据集加入 OpenCompass. 🔥🔥🔥.
 - **\[2023.07.21\]** Llama-2 的评测结果已更新在 OpenCompass [大语言模型评测榜单](https://opencompass.org.cn/leaderboard-llm)!  🔥🔥🔥.
 - **\[2023.07.19\]** 新增了 [Llama-2](https://ai.meta.com/llama/)！我们近期将会公布其评测结果。\[[文档](./docs/zh_cn/get_started.md#安装)\] 🔥🔥🔥。
diff --git a/tools/eval_mmbench.py b/tools/eval_mmbench.py
new file mode 100644
index 00000000..d141045a
--- /dev/null
+++ b/tools/eval_mmbench.py
@@ -0,0 +1,403 @@
+# Usage: python eval_mmbench.py mmbench_dev_inference_result.xlsx
+import argparse
+import json
+import os.path as osp
+import pickle
+import random as rd
+import string
+from collections import defaultdict
+
+import numpy as np
+import pandas as pd
+from tqdm import tqdm
+
+from opencompass.models import OpenAI
+
+fout = None
+
+
+# Utils
+def double_log(msg, fout=None):
+    print(msg)
+    if fout is not None:
+        fout.write(str(msg) + '\n')
+        fout.flush()
+
+
+def dump(data, f):
+
+    def dump_pkl(data, pth):
+        pickle.dump(data, open(pth, 'wb'))
+
+    def dump_json(data, pth):
+        json.dump(data, open(pth, 'w'))
+
+    def dump_jsonl(data, f):
+        lines = [json.dumps(x, ensure_ascii=False) for x in data]
+        with open(f, 'w', encoding='utf8') as fout:
+            fout.write('\n'.join(lines))
+
+    def dump_xlsx(data, f):
+        data.to_excel(f, index=False)
+
+    def dump_csv(data, f):
+        data.to_csv(f, index=False)
+
+    def dump_tsv(data, f):
+        data.to_csv(f, sep='\t', index=False)
+
+    handlers = dict(pkl=dump_pkl,
+                    json=dump_json,
+                    jsonl=dump_jsonl,
+                    xlsx=dump_xlsx,
+                    csv=dump_csv,
+                    tsv=dump_tsv)
+    suffix = f.split('.')[-1]
+    return handlers[suffix](data, f)
+
+
+def load(f):
+
+    def load_pkl(pth):
+        return pickle.load(open(pth, 'rb'))
+
+    def load_json(pth):
+        return json.load(open(pth, 'r', encoding='utf-8'))
+
+    def load_jsonl(f):
+        lines = open(f, encoding='utf-8').readlines()
+        lines = [x.strip() for x in lines]
+        if lines[-1] == '':
+            lines = lines[:-1]
+        data = [json.loads(x) for x in lines]
+        return data
+
+    def load_xlsx(f):
+        return pd.read_excel(f)
+
+    def load_csv(f):
+        return pd.read_csv(f)
+
+    def load_tsv(f):
+        return pd.read_csv(f, sep='\t')
+
+    handlers = dict(pkl=load_pkl,
+                    json=load_json,
+                    jsonl=load_jsonl,
+                    xlsx=load_xlsx,
+                    csv=load_csv,
+                    tsv=load_tsv)
+    suffix = f.split('.')[-1]
+    return handlers[suffix](f)
+
+
+# Accuracy Report
+def report_acc(df, group='category'):
+    assert 'split' in df
+    assert group in [None, 'category', 'l2-category']
+
+    res = defaultdict(list)
+    res['split'] = ['full', 'dev', 'test']
+    if group is None:
+        res['overall'] = [
+            np.mean(df['hit']),
+            np.mean(df[df['split'] == 'dev']['hit']),
+            np.mean(df[df['split'] == 'test']['hit'])
+        ]
+        return pd.DataFrame(res)
+
+    elif group in df:
+        abilities = list(set(df[group]))
+        abilities.sort()
+        for ab in abilities:
+            sub_df = df[df[group] == ab]
+            res[ab] = [
+                np.mean(sub_df['hit']),
+                np.mean(sub_df[sub_df['split'] == 'dev']['hit']),
+                np.mean(sub_df[sub_df['split'] == 'test']['hit'])
+            ]
+        return pd.DataFrame(res)
+
+
+# Prompt Building
+def build_option_str(option_list):
+    chars = string.ascii_uppercase
+    s = 'There are several options: \n'
+    for c, opt in zip(chars, option_list):
+        if not pd.isna(opt):
+            s += f'{c}. {opt}\n'
+        else:
+            return s
+    return s
+
+
+def extract_options(item):
+    options = []
+    for c in 'ABCD':
+        if c in item and not pd.isna(item[c]):
+            options.append(item[c])
+        else:
+            return options
+    return options
+
+
+def build_choices(item):
+    ret = {}
+    for ch in 'ABCD':
+        if not pd.isna(item[ch]):
+            ret[ch] = item[ch]
+    return ret
+
+
+def build_prompt(question, options, prediction):
+    tmpl = (
+        'You are an AI assistant who will help me to match an answer '
+        'with several options of a single-choice question. '
+        'You are provided with a question, several options, and an answer, '
+        'and you need to find which option is most similar to the answer. '
+        'If the meaning of all options are significantly different '
+        'from the answer, output E. '
+        'Your should output a single uppercase character in A, B, C, D '
+        '(if they are valid options), and E. \n'
+        'Example 1: \n'
+        'Question: What is the main object in image?\nOptions: A. teddy bear '
+        'B. rabbit C. cat D. dog\nAnswer: a cute teddy bear\nYour output: A\n'
+        'Example 2: \n'
+        'Question: What is the main object in image?\nOptions: A. teddy bear '
+        'B. rabbit C. cat D. dog\nAnswer: Spider\nYour output: E\n'
+        'Example 3: \n'
+        'Question: {}?\nOptions: {}\nAnswer: {}\nYour output: ')
+    return tmpl.format(question, options, prediction)
+
+
+# Prefetch Answers
+def can_infer_option(answer, num_choice=5):
+    choices = string.ascii_uppercase[:num_choice]
+    if 'Failed to obtain answer via API' in answer:
+        return False
+
+    def count(splits, choices='ABCD', prefix='', suffix=''):
+        cnt = 0
+        for c in choices:
+            if prefix + c + suffix in splits:
+                cnt += 1
+        return cnt
+
+    splits = [x.strip() for x in answer.split()]
+    if count(splits, choices) == 1:
+        for ch in choices:
+            if 'A' in splits and len(splits) > 3:
+                double_log(
+                    f'A might be a quantifier in the string: {answer}. ', fout)
+                break
+            if ch in splits:
+                return ch
+    tups = [('', '.'), ('', ','), ('', ':'), ('', ')'), ('', ').'), ('(', ')'),
+            ('(', ').'), (':', ''), (':', ','), (':', '.'), (':', ')'),
+            (':', ').')]
+    for tup in tups:
+        if count(splits, choices, prefix=tup[0], suffix=tup[1]) == 1:
+            for ch in choices:
+                if tup[0] + ch + tup[1] in splits:
+                    return ch
+    return False
+
+
+def can_infer_text(answer, choices):
+    answer = answer.lower()
+    assert isinstance(choices, dict)
+    for k in choices:
+        assert k in 'ABCD'
+        choices[k] = str(choices[k]).lower()
+    cands = []
+    for k in choices:
+        if choices[k] in answer:
+            cands.append(k)
+    if len(cands) == 1:
+        return cands[0]
+    return False
+
+
+def can_infer(answer, choices):
+    copt = can_infer_option(answer)
+    return copt if copt else can_infer_text(answer, choices)
+
+
+def prefetch_answer(item):
+    choices = build_choices(item)
+    return can_infer(item['prediction'], choices)
+
+
+# Extract answer from a single record
+def extract_answer_from_item(model, item):
+    # It will return: (pred, raw, llm_time)
+    options = extract_options(item)
+    option_str = build_option_str(options)
+
+    prompt = build_prompt(item['question'], option_str, item['prediction'])
+    retry = 3
+    choices = build_choices(item)
+
+    ret = can_infer(item['prediction'], choices)
+    if ret:
+        return ret, item['prediction']
+
+    while retry:
+        ans = model.generate([prompt])[0]
+        if 'Failed to obtain answer via API' in ans:
+            msg = 'GPT API failed to answer. '
+            double_log(msg, fout)
+            retry -= 1
+        else:
+            ret = can_infer(ans, choices)
+            if ret:
+                return ret, ans
+            else:
+                double_log(
+                    f'GPT output includes 0 / >1 letter in "ABCD": {ans}',
+                    fout)
+                retry -= 1
+
+        if retry == 0:
+            num_options = sum([ch in item for ch in 'ABCD'])
+            if num_options >= 2:
+                chars = string.ascii_uppercase[:num_options]
+                chars = chars + 'E'
+                num_options += 1
+                tmp = rd.randint(0, num_options - 1)
+                return chars[
+                    tmp], 'Failed to predict, thus randomly generate one. '
+
+
+# Extract answer from multiple rolling records
+def eval_sub_data(model, sub_data, answer_map):
+    lt = len(sub_data)
+    GT, PRED = [], []
+    for i in range(lt):
+        item = sub_data.iloc[i]
+        idx = item['index']
+        GT.append(answer_map[idx])
+        PRED.append(prefetch_answer(item))
+        if PRED[-1] and (GT[-1] != PRED[-1]):
+            return 0
+
+    for i in range(lt):
+        if PRED[i]:
+            continue
+        else:
+            ret, _ = extract_answer_from_item(model, sub_data.iloc[i])
+            PRED[i] = ret
+            if PRED[i] != GT[i]:
+                return 0
+    return 1
+
+
+# Evaluate Results
+def eval_result(eval_file, eval_method, meta_file):
+    rd.seed(2680)
+    assert eval_method == 'openai'
+    # Set a large retry number to avoid failure
+    model = OpenAI('gpt-3.5-turbo-0613', retry=99)
+
+    double_log(f'Evaluating {eval_file}', fout)
+
+    result_file = eval_file.replace('.xlsx', f'_{eval_method}_result.pkl')
+    result = {}
+    if osp.exists(result_file):
+        result = load(result_file)
+
+    data = load(eval_file)
+    data = data.sort_values(by='index')
+    data['prediction'] = [str(x) for x in data['prediction']]
+    for k in data.keys():
+        data[k.lower() if k not in 'ABCD' else k] = data.pop(k)
+
+    meta = load(meta_file)
+
+    data_main = data[data['index'] < int(1e6)]
+    cate_map = {i: c for i, c in zip(meta['index'], meta['category'])}
+    l2_cate_map = {i: c for i, c in zip(meta['index'], meta['l2-category'])}
+    split_map = {i: c for i, c in zip(meta['index'], meta['split'])}
+    answer_map = {i: c for i, c in zip(meta['index'], meta['answer'])}
+
+    lt = len(data_main)
+    hit, tot = 0, 0
+
+    for i in tqdm(range(lt)):
+        # Dealing with the normal part
+        item_main = data_main.iloc[i]
+        idx = item_main['index']
+
+        if idx in result:
+            correct = result[idx]
+            assert correct in [0, 1]
+            hit += correct
+            tot += 1
+            continue
+
+        sub_data = data[data['index'] % int(1e6) == idx]
+        ret = eval_sub_data(model, sub_data, answer_map)
+        result[idx] = ret
+        hit += ret
+        tot += 1
+
+        dump(result, result_file)
+
+        if (i + 1) % 10 == 0:
+            double_log((f'Evaluating {eval_file}: {i + 1}/{lt}, '
+                        f'Acc: {hit / tot * 100: .2f}%. '), fout)
+
+    dump(data_main, 'tmp.xlsx')
+    data_main = load('tmp.xlsx')
+
+    res = load(result_file)
+    indices = data_main['index']
+    data_main['hit'] = [res[i] for i in indices]
+    data_main['split'] = [split_map[i] for i in indices]
+    main_idx = data_main['index']
+    data_main['category'] = [cate_map[i] for i in main_idx]
+    data_main['l2-category'] = [l2_cate_map[i] for i in main_idx]
+
+    # load split
+    dump(data_main, eval_file.replace('.xlsx', f'_{eval_method}_result.xlsx'))
+    data_main = load(eval_file.replace('.xlsx', f'_{eval_method}_result.xlsx'))
+
+    overall = report_acc(data_main, None)
+    dump(overall, eval_file.replace('.xlsx', '_overall.csv'))
+    double_log(overall)
+
+    l2 = report_acc(data_main, 'l2-category')
+    dump(l2, eval_file.replace('.xlsx', '_l2.csv'))
+    double_log(l2)
+
+    leaf = report_acc(data_main, 'category')
+    dump(leaf, eval_file.replace('.xlsx', '_leaf.csv'))
+    double_log(leaf)
+
+    if fout is not None:
+        fout.close()
+
+    return overall, l2, leaf
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(
+        description='Evaluate Inference Results of MMBench-DEV SPLIT. ')
+    parser.add_argument('result',
+                        type=str,
+                        help='The path to your inference result. ')
+    parser.add_argument('--meta',
+                        type=str,
+                        default='data/mmbench_dev_20230712.tsv',
+                        help=('The path to your meta file (dev). '
+                              'Downloaded from MMBench website. '))
+    args = parser.parse_args()
+    return args
+
+
+if __name__ == '__main__':
+    args = parse_args()
+    log_pth = args.result.replace('.xlsx', '_openai_eval.log')
+    fout = open(log_pth, 'a')
+
+    acc, l2, leaf = eval_result(args.result, 'openai', args.meta)