diff --git a/opencompass/models/__init__.py b/opencompass/models/__init__.py
index 0d384fed..403eb5d6 100644
--- a/opencompass/models/__init__.py
+++ b/opencompass/models/__init__.py
@@ -20,6 +20,7 @@ from .huggingface_above_v4_33 import HuggingFaceBaseModel  # noqa: F401
 from .huggingface_above_v4_33 import HuggingFacewithChatTemplate  # noqa: F401
 from .hunyuan_api import Hunyuan  # noqa: F401
 from .intern_model import InternLM  # noqa: F401
+from .interntrain import InternTrain  # noqa: F401
 from .krgpt_api import KrGPT  # noqa: F401
 from .lightllm_api import LightllmAPI, LightllmChatAPI  # noqa: F401
 from .llama2 import Llama2, Llama2Chat  # noqa: F401
diff --git a/opencompass/models/interntrain.py b/opencompass/models/interntrain.py
new file mode 100644
index 00000000..d6c233cd
--- /dev/null
+++ b/opencompass/models/interntrain.py
@@ -0,0 +1,419 @@
+import os
+import random
+import sys
+import time
+from typing import Dict, List, Optional, Union
+
+import numpy as np
+import torch
+import torch.distributed as dist
+
+from opencompass.models.base import BaseModel
+from opencompass.registry import MODELS
+from opencompass.utils.logging import get_logger
+
+
+class InternTrainManager:
+
+    def __init__(self, module_path):
+        self.module_path = module_path
+
+    @staticmethod
+    def build(module_path):
+        sys.path.insert(0, module_path)
+        try:
+            from internlm.core.context.registry import \
+                register_model_initializer  # noqa: F401
+            return CurrentInternTrainManager(module_path)
+        except ImportError:
+            return LegacyInternTrainManager(module_path)
+
+
+class CurrentInternTrainManager(InternTrainManager):
+
+    def load_config(self, path, model_config=None):
+        from internlm.config import Config
+        if model_config is None:
+            model_config = torch.load(os.path.join(path, 'model_config.pt'))
+        elif isinstance(model_config, dict):
+            model_config = Config(model_config)
+        elif isinstance(model_config, str):
+            model_config = Config.fromfile(model_config).model
+        else:
+            raise NotImplementedError(
+                'model_config should be None, dict or filename.')
+
+        return model_config
+
+    def initialize_model(self):
+        from internlm.train.pipeline import (initialize_model,
+                                             initialize_parallel_communicator)
+        model = initialize_model().model
+        initialize_parallel_communicator(model)
+
+        return model
+
+
+class LegacyInternTrainManager(InternTrainManager):
+
+    def load_config(self, path, model_config=None):
+        from internlm.core.context import Config
+        if model_config is None:
+            model_config = torch.load(os.path.join(path, 'model_config.pt'))
+        elif isinstance(model_config, dict):
+            model_config = Config(model_config)
+        elif isinstance(model_config, str):
+            model_config = Config.from_file(model_config).model
+        else:
+            raise NotImplementedError(
+                'model_config should be None, dict or filename.')
+
+        return model_config
+
+    def initialize_model(self):
+        from internlm.train.pipeline import initialize_model
+        model = initialize_model().model
+
+        return model
+
+
+@MODELS.register_module()
+class InternTrain(BaseModel):
+
+    def __init__(self,
+                 path: str,
+                 module_path: str,
+                 max_seq_len: int = 2048,
+                 tokenizer_only: bool = False,
+                 tokenizer_path: Optional[str] = None,
+                 tokenizer_type: str = 'INTERNLM',
+                 model_config: Optional[str] = None,
+                 model_type: str = 'INTERNLM2',
+                 ckpt_type: Optional[str] = None,
+                 meta_template: Optional[Dict] = None,
+                 model_dtype: Optional[str] = None,
+                 generation_kwargs={},
+                 sync_rank: bool = False,
+                 mode='none'):
+        super().__init__(path=path,
+                         max_seq_len=max_seq_len,
+                         tokenizer_only=tokenizer_only,
+                         meta_template=meta_template,
+                         sync_rank=sync_rank)
+        self.logger = get_logger()
+        # insert interntrain module
+        self.manager = InternTrainManager.build(module_path)
+
+        # TODO: mode is not a good name, change it both here and huggingface.py
+        # mode = 'mid' is used only in longtext eval, which cut off tokens in
+        # the middle
+        # https://github.com/THUDM/LongBench
+        assert mode in ['none', 'mid']
+        self.mode = mode
+
+        self._load_tokenizer(tokenizer_path=tokenizer_path,
+                             tokenizer_type=tokenizer_type)
+
+        if not tokenizer_only:
+            self._load_model(path=path,
+                             model_config=model_config,
+                             model_type=model_type,
+                             model_dtype=model_dtype,
+                             ckpt_type=ckpt_type)
+
+        # default generation_kwargs
+        assert generation_kwargs.pop('num_return_sequences', 1) == 1  # TODO
+        self.generation_kwargs = {
+            'temperature': 1.0,
+            'top_p': 1.0,
+            'top_k': 50,
+            'do_sample': False,
+            'repetition_penalty': 1.0,
+        }
+        self.generation_kwargs.update(generation_kwargs)
+        self.logger.info(f'generation_kwargs: {self.generation_kwargs}')
+
+        # generator
+        from internlm.apis.inference import SequenceGenerator
+        eos_token_ids = self.generation_kwargs.get('eos_token_id', [])
+        if isinstance(eos_token_ids, int):
+            eos_token_ids = [eos_token_ids]
+        eos_token_ids.append(self.tokenizer.eos_id)
+        if self.eos_token_id is not None:
+            eos_token_ids.append(self.eos_token_id)
+        eos_token_ids = list(set(eos_token_ids))
+        self.generator = SequenceGenerator(self.model,
+                                           bos_token_id=self.tokenizer.bos_id,
+                                           pad_token_id=self.tokenizer.bos_id,
+                                           eos_token_id=eos_token_ids)
+
+    def _load_model(self,
+                    path: str,
+                    model_config: Optional[str] = None,
+                    model_type: str = 'INTERNLM2',
+                    model_dtype: Optional[str] = None,
+                    ckpt_type: Optional[str] = None):
+        # funcs
+        from internlm.checkpoint.load_funcs import (LOAD_FUNC_DICT,
+                                                    merge_pp_within_tp)
+        from internlm.core.context import global_context as gpc
+        from internlm.initialize.launch import launch
+        from internlm.utils.storage_manager import (get_storage_manager,
+                                                    init_storage_manager)
+
+        # config
+        model_config = self.manager.load_config(path, model_config)
+        model_config['parallel_output'] = False
+        model_config['dtype'] = self._convert_dtype(model_config['dtype'],
+                                                    model_dtype=model_dtype)
+
+        world_size = int(os.getenv('WORLD_SIZE', '1'))
+        tp_size = world_size  # TODO
+        self.logger.info(f'world size: {world_size} tp: {tp_size}')
+        parallel_config = dict(zero1=dict(size=1, fsdp=False),
+                               pipeline=dict(size=1),
+                               tensor=dict(size=tp_size, mode='mtp'),
+                               sequence_parallel=False)
+        config = dict(model=model_config,
+                      parallel=parallel_config,
+                      data=dict(use_packed_dataset=False),
+                      model_type=model_type,
+                      use_cuda_flash_attn=model_config.get(
+                          'use_flash_attn', True))
+        launch(
+            config=config,
+            seed=42,
+            local_rank=int(os.getenv('RANK', '0')),
+            rank=int(os.getenv('LOCAL_RANK', '0')),
+            world_size=int(os.getenv('WORLD_SIZE', '1')),
+            host=os.getenv('MASTER_ADDR', '127.0.0.1'),
+            port=int(os.getenv('MASTER_PORT', random.randint(12000, 32000))),
+        )
+        self.logger.info(f'Config: {gpc.config}')
+
+        self.model = self.manager.initialize_model()
+
+        # load state dict
+        try:
+            get_storage_manager()
+        except AssertionError:
+            init_storage_manager(False, None, None)
+            get_storage_manager()
+        if ckpt_type is None or ckpt_type == 'internevo':
+            state_dict = merge_pp_within_tp(path, del_model_prefix=True)
+            load_info = self.model.load_state_dict(state_dict, strict=False)
+            self.logger.info(load_info)
+        else:
+            load_func = LOAD_FUNC_DICT[ckpt_type]
+            load_func(path, self.model)
+
+        self.model.to(model_config['dtype']).eval().cuda()
+
+    def _load_tokenizer(self, tokenizer_path: str, tokenizer_type: str):
+        from internlm.core.context.registry import TOKENIZER_INITIALIZER
+        tokenizer_cls = TOKENIZER_INITIALIZER.get_module(tokenizer_type)
+        self.tokenizer = tokenizer_cls(
+            model_path=tokenizer_path,
+            use_bos=True,
+            use_eos=False,
+        )
+
+        # TODO use bos as pad temporarily
+        if self.tokenizer.pad_id == -1:
+            self.pad_id = self.tokenizer.bos_id
+        else:
+            self.pad_id = self.tokenizer.pad_id
+
+    def _convert_dtype(self, default_dtype, model_dtype=None):
+        if model_dtype is None:
+            return default_dtype
+        elif isinstance(model_dtype, torch.dtype):
+            return model_dtype
+        elif model_dtype == 'torch.bfloat16':
+            return torch.bfloat16
+        elif model_dtype in ('torch.float16', 'torch.half'):
+            return torch.float16
+        elif model_dtype in ('torch.float32', 'torch.float'):
+            return torch.float32
+        elif model_dtype in ('torch.tf32'):
+            torch.backends.cudnn.allow_tf32 = True
+            torch.backends.cuda.matmul.allow_tf32 = True
+            return torch.float32
+        else:
+            raise NotImplementedError(f'Unknown model dtype {model_dtype}')
+
+    def get_token_len(self, prompt: str) -> int:
+        """Get lengths of the tokenized strings.
+
+        Args:
+            prompt (str): Input string.
+
+        Returns:
+            int: Length of the input tokens
+        """
+        tokens = self.tokenizer(prompt, use_bos=True, use_eos=True)
+        return len(tokens)
+
+    def generate(self,
+                 inputs: List[str],
+                 max_out_len: int,
+                 min_out_len: Optional[int] = None,
+                 stopping_criteria: List[str] = []) -> List[str]:
+        """Generate results given a list of inputs.
+
+        Args:
+            inputs (List[str]): A list of strings.
+            max_out_len (int): The maximum length of the output.
+
+        Returns:
+            List[str]: A list of generated strings.
+        """
+        if min_out_len is None:
+            # keep same with InternTrain's default value
+            min_out_len = 1
+
+        tokens = self.batch_encode(inputs,
+                                   self.max_seq_len - max_out_len,
+                                   left_padding=True)
+
+        # random seed for pass@k
+        seed = torch.tensor(time.time(), dtype=torch.int64).cuda()
+
+        dist.broadcast(seed, src=0)
+        torch.cuda.manual_seed(seed.item())
+        dist.barrier()
+        outputs = self.generator.generate(
+            tokens,
+            max_length=tokens.shape[1] + max_out_len,
+            **self.generation_kwargs)  # bsz, num_return_sequences, max_length
+        outputs = outputs[:, 0, tokens.shape[1]:]
+        output_text = self.batch_decode(outputs,
+                                        stopping_criteria=stopping_criteria)
+
+        return output_text
+
+    def get_ppl(self,
+                input_texts: List[str],
+                mask_length: Optional[List[int]] = None) -> List[float]:
+        """Get perplexity scores given a list of inputs.
+
+        Args:
+            input_texts (List[str]): A list of strings.
+            mask_length (Optional[List[int]]): A list of mask lengths. If
+                provided, the perplexity scores will be calculated with the
+                first mask_length[i] tokens masked out.
+
+        Returns:
+            List[float]: A list of perplexity scores.
+        """
+        outputs, inputs = self.get_logits(input_texts)
+
+        shift_logits = outputs[..., :-1, :].contiguous()
+        shift_labels = inputs[..., 1:].contiguous()
+        loss_fct = torch.nn.CrossEntropyLoss(reduction='none',
+                                             ignore_index=self.pad_id)
+        loss = loss_fct(shift_logits.view(-1, shift_logits.size(-1)),
+                        shift_labels.view(-1)).view(shift_labels.size())
+
+        if mask_length is not None:
+            mask = torch.zeros_like(shift_labels)  # [batch,seqlen]
+            for i in range(len(mask)):
+                for j in range(mask_length[i] - 1, len(mask[i])):
+                    mask[i][j] = 1
+            loss = loss * mask
+
+        lens = (inputs != self.pad_id).sum(-1).cpu().numpy()
+        if mask_length is not None:
+            lens -= np.array(mask_length)
+        ce_loss = loss.float().sum(-1).cpu().detach().numpy() / lens
+        return ce_loss
+
+    def get_loglikelihood(self, input_texts: List[str],
+                          conts: List[str]) -> List[float]:
+        outputs, inputs = self.get_logits(input_texts)
+        shift_logits = outputs[..., :-1, :].contiguous()
+        shift_labels = inputs[..., 1:].contiguous()
+        loss_fct = torch.nn.CrossEntropyLoss(reduction='none',
+                                             ignore_index=self.pad_id)
+        loss = loss_fct(shift_logits.view(-1, shift_logits.size(-1)),
+                        shift_labels.view(-1)).view(shift_labels.size())
+        lens = (inputs != self.pad_id).sum(-1).cpu().numpy()
+        replaced_texts = [
+            input_text.replace(cont, '')
+            for input_text, cont in zip(input_texts, conts)
+        ]
+        replaced_lens = [
+            len(self.encode(input_text)[0]) for input_text in replaced_texts
+        ]
+        loglikelihoods = []
+        for nloss, nlen, rlen in zip(loss, lens, replaced_lens):
+            nlen, rlen = int(nlen), int(rlen)
+            nloss = nloss[:nlen]
+            nloss = nloss[rlen:].float().sum().cpu().detach().numpy()
+            loglikelihoods.append(-nloss)
+        return np.array(loglikelihoods)
+
+    def get_mink_percent(self,
+                         input_texts: List[str],
+                         k: int = 20) -> List[float]:
+        """https://swj0419.github.io/detect-pretrain.github.io/"""
+        outputs, inputs = self.get_logits(input_texts)
+        shift_logits = outputs[..., :-1, :].contiguous()
+        shift_labels = inputs[..., 1:].contiguous()
+        loss_fct = torch.nn.CrossEntropyLoss(reduction='none',
+                                             ignore_index=self.pad_id)
+        loss = loss_fct(shift_logits.view(-1, shift_logits.size(-1)),
+                        shift_labels.view(-1)).view(shift_labels.size())
+        lens = (inputs != self.pad_id).sum(-1).cpu().numpy()
+        mink_percent = []
+        for nloss, nlen in zip(loss, lens):
+            nlen = int(nlen)
+            minklen = max(nlen * k // 100, 1)
+            nloss = torch.topk(loss[-nlen:], minklen, dim=-1)[0]
+            nloss = -nloss.float().mean().cpu().detach().numpy()
+            mink_percent.append(nloss)
+        return np.array(mink_percent)
+
+    def get_logits(self, input_texts: Union[str, List[str]]):
+        tokens = self.batch_encode(input_texts, max_seq_len=self.max_seq_len)
+        outputs = self.model(input_ids=tokens)
+        if isinstance(outputs, tuple):
+            # moe returns (hidden_states, moe_losses)
+            outputs = outputs[0]
+        return outputs, tokens
+
+    def batch_encode(self,
+                     input_texts: Union[str, List[str]],
+                     max_seq_len: int,
+                     left_padding=False):
+        if isinstance(input_texts, str):
+            input_texts = [input_texts]
+        tokens = [self.tokenizer(text) for text in input_texts]
+        max_len = min(max_seq_len, max([len(t) for t in tokens]))
+        for i in range(len(tokens)):
+            cur_input = tokens[i]
+            padding_len = max_len - len(cur_input)
+            if self.mode == 'none':
+                cur_input = cur_input[:max_len]
+            elif self.mode == 'mid' and len(cur_input) > max_len:
+                mid_cut_len = max_len // 2
+                cur_input = cur_input[:mid_cut_len] + cur_input[-mid_cut_len:]
+
+            if left_padding:
+                # left padding with bos
+                tokens[i] = [self.tokenizer.bos_id] * padding_len + cur_input
+            else:
+                tokens[i] = cur_input + [self.pad_id] * padding_len
+
+        return torch.LongTensor(tokens).cuda()
+
+    def batch_decode(self, outputs, stopping_criteria: List[str] = []):
+        # outputs: bsz, seq_len
+        output_text = []
+        for output in outputs:
+            text = self.tokenizer.decode(output.tolist())
+            for stop_word in stopping_criteria:
+                text = text.split(stop_word)[0]
+            output_text.append(text)
+
+        return output_text