diff --git a/vlmeval/config.py b/vlmeval/config.py
index b4a6af750..7d9e320fb 100644
--- a/vlmeval/config.py
+++ b/vlmeval/config.py
@@ -200,6 +200,11 @@
     'deepseek_vl_1.3b': partial(DeepSeekVL, model_path='deepseek-ai/deepseek-vl-1.3b-chat'),
 }
 
+
+janus_series = {
+    'janus_1.3b': partial(Janus, model_path='deepseek-ai/Janus-1.3B')
+}
+
 cogvlm_series = {
     'cogvlm-grounding-generalist': partial(CogVlm, model_path='THUDM/cogvlm-grounding-generalist-hf', tokenizer_name='lmsys/vicuna-7b-v1.5'),
     'cogvlm-chat': partial(CogVlm, model_path='THUDM/cogvlm-chat-hf', tokenizer_name='lmsys/vicuna-7b-v1.5'),
@@ -318,7 +323,7 @@
     ungrouped, api_models,
     xtuner_series, qwen_series, llava_series, internvl_series, yivl_series,
     xcomposer_series, minigpt4_series, idefics_series, instructblip_series,
-    deepseekvl_series, minicpm_series, cogvlm_series, wemm_series,
+    deepseekvl_series, janus_series, minicpm_series, cogvlm_series, wemm_series,
     cambrian_series, chameleon_series, video_models, ovis_series, vila_series,
     mantis_series, mmalaya_series, phi3_series, xgen_mm_series, qwen2vl_series, 
     slime_series, eagle_series, moondream_series, llama_series, molmo_series, 
diff --git a/vlmeval/tools.py b/vlmeval/tools.py
index 89c1e1a48..ee254e07a 100644
--- a/vlmeval/tools.py
+++ b/vlmeval/tools.py
@@ -71,7 +71,7 @@
         'TransCore_M', 'emu2_chat', 'MiniCPM-V', 'MiniCPM-V-2', 'OmniLMM_12B',
         'cogvlm-grounding-generalist', 'cogvlm-chat', 'cogvlm2-llama3-chat-19B',
         'mPLUG-Owl3'
-    ] + list(xtuner_series) + list(yivl_series) + list(deepseekvl_series) + list(cambrian_series),
+    ] + list(xtuner_series) + list(yivl_series) + list(deepseekvl_series) + list(janus_series) + list(cambrian_series),
     '4.36.2': ['Moondream1'],
     '4.40.0': [
         'idefics2_8b', 'Bunny-llama3-8B', 'MiniCPM-Llama3-V-2_5', '360VL-70B', 'Phi-3-Vision',
diff --git a/vlmeval/vlm/__init__.py b/vlmeval/vlm/__init__.py
index 3eefb183d..e0077e668 100644
--- a/vlmeval/vlm/__init__.py
+++ b/vlmeval/vlm/__init__.py
@@ -28,6 +28,7 @@
 from .yi_vl import Yi_VL
 from .internvl_chat import InternVLChat
 from .deepseek_vl import DeepSeekVL
+from .janus import Janus
 from .mgm import Mini_Gemini
 from .bunnyllama3 import BunnyLLama3
 from .vxverse import VXVERSE
diff --git a/vlmeval/vlm/janus.py b/vlmeval/vlm/janus.py
new file mode 100644
index 000000000..d1b56bf16
--- /dev/null
+++ b/vlmeval/vlm/janus.py
@@ -0,0 +1,136 @@
+import sys
+import torch
+from transformers import AutoModelForCausalLM, AutoConfig
+import warnings
+from .base import BaseModel
+from ..smp import *
+from ..dataset import DATASET_TYPE
+
+
+class Janus(BaseModel):
+
+    INSTALL_REQ = True
+    INTERLEAVE = True
+
+    def check_install(self):
+        try:
+            import janus
+        except Exception as e:
+            logging.critical(
+                'Please first install janus from source codes in: https://github.com/deepseek-ai/Janus')
+            raise e
+
+    def __init__(self, model_path='deepseek-ai/Janus-1.3B', **kwargs):
+        self.check_install()
+        assert model_path is not None
+        self.model_path = model_path
+        from janus.models import VLChatProcessor
+
+        self.vl_chat_processor = VLChatProcessor.from_pretrained(model_path)
+        self.tokenizer = self.vl_chat_processor.tokenizer
+
+        model = AutoModelForCausalLM.from_pretrained(model_path, trust_remote_code=True)
+        self.model = model.to(torch.bfloat16).cuda().eval()
+
+        torch.cuda.empty_cache()
+        default_kwargs = dict(
+            max_new_tokens=512,
+            do_sample=False,
+            use_cache=True,
+            output_logits=False,
+            output_scores=False,
+            return_dict_in_generate=False)
+
+        default_kwargs.update(kwargs)
+        self.kwargs = default_kwargs
+        warnings.warn(f'Following kwargs received: {self.kwargs}, will use as generation config. ')
+
+    def prepare_inputs(self, message):
+        def prepare_itlist(msgs):
+            content, images = '', []
+            for s in msgs:
+                if s['type'] == 'image':
+                    images.append(s['value'])
+                    content += '<image_placeholder>'
+                elif s['type'] == 'text':
+                    content += s['value']
+            return content, images
+        conversation = []
+        if 'role' not in message[0]:
+            content, images = prepare_itlist(message)
+            conversation.append(dict(role='User', content=content, images=images))
+        else:
+            role_map = {'user': 'User', 'assistant': 'Assistant'}
+            for msgs in message:
+                role = role_map[msgs['role']]
+                content, images = prepare_itlist(msgs['content'])
+                conversation.append(dict(role=role, content=content, images=images))
+        conversation.append(dict(role='Assistant', content=''))
+        return conversation
+
+    def generate_inner(self, message, dataset=None):
+        if not ('MMVet' in dataset):
+            self.vl_chat_processor.system_prompt = ""
+        else:
+            self.vl_chat_processor.system_prompt = "You are a helpful assistant. Please answer truthfully and write out your thinking step by step to be sure you get the right answer."  # noqa: E501
+
+        conversation = self.prepare_inputs(message)
+        from janus.utils.io import load_pil_images
+        pil_images = load_pil_images(conversation)
+        prepare_inputs = self.vl_chat_processor(conversations=conversation, images=pil_images, force_batchify=True)
+        prepare_inputs = prepare_inputs.to(self.model.device, dtype=torch.bfloat16)
+        inputs_embeds = self.model.prepare_inputs_embeds(**prepare_inputs)
+
+        outputs = self.model.language_model.generate(
+            inputs_embeds=inputs_embeds,
+            attention_mask=prepare_inputs.attention_mask,
+            pad_token_id=self.tokenizer.eos_token_id,
+            bos_token_id=self.tokenizer.bos_token_id,
+            eos_token_id=self.tokenizer.eos_token_id,
+            **self.kwargs)
+        answer = self.tokenizer.decode(outputs[0].cpu().tolist(), skip_special_tokens=True)
+        return answer
+
+    def chat_inner(self, message, dataset=None):
+        return self.generate_inner(message, dataset=dataset)
+
+    def use_custom_prompt(self, dataset):
+        assert dataset is not None
+        if DATASET_TYPE(dataset) == 'Y/N' or DATASET_TYPE(dataset) == 'MCQ' or dataset == 'MMVet':
+            return True
+        return False
+
+    def build_prompt(self, line, dataset=None):
+        assert dataset is None or isinstance(dataset, str)
+        assert self.use_custom_prompt(dataset)
+        tgt_path = self.dump_image(line, dataset)
+        question = line['question']
+        if DATASET_TYPE(dataset) == 'Y/N':
+            if dataset == 'POPE':
+                question = question.replace(" Please answer yes or no.", "")
+            prompt = '\n' + question + "\nAnswer the question using a single word or phrase."
+        elif DATASET_TYPE(dataset) == 'MCQ':
+            options = {
+                cand: line[cand]
+                for cand in string.ascii_uppercase
+                if cand in line and not pd.isna(line[cand])
+            }
+            options_prompt = ''
+            for key, item in options.items():
+                options_prompt += f'{key}. {item}\n'
+
+            hint = line['hint'] if ('hint' in line and not pd.isna(line['hint'])) else None
+            prompt = f'\nHint: {hint}\n' if hint is not None else '\n'
+            prompt += f'{question}\n'
+            prompt += (
+                f"{options_prompt}\nAnswer with the option's letter from the given choices directly."
+                if len(options) else 'Answer the question directly. '
+            )
+        elif dataset == 'MMVet':
+            prompt = '\n' + question
+        else:
+            raise NotImplementedError
+
+        message = [dict(type='image', value=s) for s in tgt_path]
+        message.extend([dict(type='text', value=prompt)])
+        return message