diff --git a/openllm-python/src/openllm/_llm.py b/openllm-python/src/openllm/_llm.py
index b039c65b..61965537 100644
--- a/openllm-python/src/openllm/_llm.py
+++ b/openllm-python/src/openllm/_llm.py
@@ -635,7 +635,6 @@ def _RunnerFactory(
         'config': self.config,
         'backend': backend,
         '__module__': self.__module__,
-        '__doc__': getattr(openllm_core.config, f'START_{self.config["model_name"].upper()}_COMMAND_DOCSTRING'),
         '__repr__': ReprMixin.__repr__,
         '__repr_keys__': property(_wrapped_repr_keys),
         '__repr_args__': _wrapped_repr_args,
diff --git a/openllm-python/src/openllm/_runners.py b/openllm-python/src/openllm/_runners.py
index ddbdb972..bc4b2bf7 100644
--- a/openllm-python/src/openllm/_runners.py
+++ b/openllm-python/src/openllm/_runners.py
@@ -8,9 +8,9 @@ import torch
 
 import bentoml
 import openllm
-from openllm.exceptions import OpenLLMException
 from openllm_core._schemas import CompletionChunk, GenerationOutput
 from openllm_core._typing_compat import LiteralBackend, M, T
+from openllm_core.exceptions import OpenLLMException
 from openllm_core.utils import first_not_none, is_vllm_available
 
 if t.TYPE_CHECKING:
diff --git a/openllm-python/src/openllm/bundle/__init__.py b/openllm-python/src/openllm/bundle/__init__.py
index 41b1dc23..ea8b0e10 100644
--- a/openllm-python/src/openllm/bundle/__init__.py
+++ b/openllm-python/src/openllm/bundle/__init__.py
@@ -1,20 +1,13 @@
-"""Build-related utilities. Some of these utilities are mainly used for 'openllm.build'.
-
-These utilities will stay internal, and its API can be changed or updated without backward-compatibility.
-"""
-
-from __future__ import annotations
 import os
 import typing as t
 
 from openllm_core.utils import LazyModule
 
-_import_structure: dict[str, list[str]] = {
+_import_structure = {
   '_package': ['create_bento', 'build_editable', 'construct_python_options', 'construct_docker_options'],
   'oci': [
     'CONTAINER_NAMES',
     'get_base_container_tag',
-    'build_container',
     'get_base_container_name',
     'supported_registries',
     'RefResolver',
@@ -32,7 +25,6 @@ if t.TYPE_CHECKING:
   from .oci import (
     CONTAINER_NAMES as CONTAINER_NAMES,
     RefResolver as RefResolver,
-    build_container as build_container,
     get_base_container_name as get_base_container_name,
     get_base_container_tag as get_base_container_tag,
     supported_registries as supported_registries,
diff --git a/openllm-python/src/openllm/bundle/_package.py b/openllm-python/src/openllm/bundle/_package.py
index 6eed00b2..148d14e1 100644
--- a/openllm-python/src/openllm/bundle/_package.py
+++ b/openllm-python/src/openllm/bundle/_package.py
@@ -145,28 +145,28 @@ def construct_docker_options(
   if quantize:
     env_dict['OPENLLM_QUANTIZE'] = str(quantize)
   return DockerOptions(
-    base_image=f'{oci.CONTAINER_NAMES[container_registry]}:{oci.get_base_container_tag(container_version_strategy)}',
+    base_image=f'{oci.get_base_container_name(container_registry)}:{oci.get_base_container_tag(container_version_strategy)}',
     env=env_dict,
     dockerfile_template=dockerfile_template,
   )
 
 
-OPENLLM_MODEL_NAME = '# openllm: model name'
 OPENLLM_MODEL_ID = '# openllm: model id'
 OPENLLM_MODEL_TAG = '# openllm: model tag'
 OPENLLM_MODEL_ADAPTER_MAP = '# openllm: model adapter map'
 
 
-class ModelNameFormatter(string.Formatter):
-  model_keyword: LiteralString = '__model_name__'
+class _ServiceVarsFormatter(string.Formatter):
+  keyword: LiteralString = '__model_name__'
+  identifier: LiteralString = '# openllm: model name'
 
-  def __init__(self, model_name: str):
+  def __init__(self, target: str):
     """The formatter that extends model_name to be formatted the 'service.py'."""
     super().__init__()
-    self.model_name = model_name
+    self.target = target
 
   def vformat(self, format_string: str, *args: t.Any, **attrs: t.Any) -> t.Any:
-    return super().vformat(format_string, (), {self.model_keyword: self.model_name})
+    return super().vformat(format_string, (), {self.keyword: self.target})
 
   def can_format(self, value: str) -> bool:
     try:
@@ -175,17 +175,26 @@ class ModelNameFormatter(string.Formatter):
     except ValueError:
       return False
 
-
-class ModelIdFormatter(ModelNameFormatter):
-  model_keyword: LiteralString = '__model_id__'
+  def parse_line(self, line: str, nl: bool = True) -> str:
+    if self.identifier not in line:
+      return line
+    gen = self.vformat(line)[: -(len(self.identifier) + 3)] + ('\n' if nl else '')
+    return gen
 
 
-class ModelTagFormatter(ModelNameFormatter):
-  model_keyword: LiteralString = '__model_tag__'
+class ModelIdFormatter(_ServiceVarsFormatter):
+  keyword = '__model_id__'
+  identifier = OPENLLM_MODEL_ID
 
 
-class ModelAdapterMapFormatter(ModelNameFormatter):
-  model_keyword: LiteralString = '__model_adapter_map__'
+class ModelTagFormatter(_ServiceVarsFormatter):
+  keyword = '__model_tag__'
+  identifier = OPENLLM_MODEL_TAG
+
+
+class ModelAdapterMapFormatter(_ServiceVarsFormatter):
+  keyword = '__model_adapter_map__'
+  identifier = OPENLLM_MODEL_ADAPTER_MAP
 
 
 _service_file = Path(os.path.abspath(__file__)).parent.parent / '_service.py'
@@ -195,41 +204,30 @@ _service_vars_file = Path(os.path.abspath(__file__)).parent.parent / '_service_v
 def write_service(llm: openllm.LLM[t.Any, t.Any], adapter_map: dict[str, str] | None, llm_fs: FS) -> None:
   from openllm_core.utils import DEBUG
 
-  model_name = llm.config['model_name']
-  model_id = llm.model_id
-  model_tag = str(llm.tag)
+  model_id_formatter = ModelIdFormatter(llm.model_id)
+  model_tag_formatter = ModelTagFormatter(str(llm.tag))
+  adapter_map_formatter = ModelAdapterMapFormatter(orjson.dumps(adapter_map).decode())
+
   logger.debug(
-    'Generating service vars file for %s at %s (dir=%s)', model_name, '_service_vars.py', llm_fs.getsyspath('/')
+    'Generating service vars file for %s at %s (dir=%s)', llm.model_id, '_service_vars.py', llm_fs.getsyspath('/')
   )
   with open(_service_vars_file.__fspath__(), 'r') as f:
     src_contents = f.readlines()
-  for it in src_contents:
-    if OPENLLM_MODEL_NAME in it:
-      src_contents[src_contents.index(it)] = (
-        ModelNameFormatter(model_name).vformat(it)[: -(len(OPENLLM_MODEL_NAME) + 3)] + '\n'
-      )
-    if OPENLLM_MODEL_ID in it:
-      src_contents[src_contents.index(it)] = (
-        ModelIdFormatter(model_id).vformat(it)[: -(len(OPENLLM_MODEL_ID) + 3)] + '\n'
-      )
-    elif OPENLLM_MODEL_TAG in it:
-      src_contents[src_contents.index(it)] = (
-        ModelTagFormatter(model_tag).vformat(it)[: -(len(OPENLLM_MODEL_TAG) + 3)] + '\n'
-      )
-    elif OPENLLM_MODEL_ADAPTER_MAP in it:
-      src_contents[src_contents.index(it)] = (
-        ModelAdapterMapFormatter(orjson.dumps(adapter_map).decode()).vformat(it)[
-          : -(len(OPENLLM_MODEL_ADAPTER_MAP) + 3)
-        ]
-        + '\n'
-      )
-  script = f"# GENERATED BY 'openllm build {model_name}'. DO NOT EDIT\n\n" + ''.join(src_contents)
+  for i, it in enumerate(src_contents):
+    if model_id_formatter.identifier in it:
+      src_contents[i] = model_id_formatter.parse_line(it)
+    elif model_tag_formatter.identifier in it:
+      src_contents[i] = model_tag_formatter.parse_line(it)
+    elif adapter_map_formatter.identifier in it:
+      src_contents[i] = adapter_map_formatter.parse_line(it)
+
+  script = f"# GENERATED BY 'openllm build {llm.model_id}'. DO NOT EDIT\n\n" + ''.join(src_contents)
   if DEBUG:
     logger.info('Generated script:\n%s', script)
   llm_fs.writetext('_service_vars.py', script)
 
   logger.debug(
-    'Generating service file for %s at %s (dir=%s)', model_name, llm.config['service_name'], llm_fs.getsyspath('/')
+    'Generating service file for %s at %s (dir=%s)', llm.model_id, llm.config['service_name'], llm_fs.getsyspath('/')
   )
   with open(_service_file.__fspath__(), 'r') as f:
     service_src = f.read()
diff --git a/openllm-python/src/openllm/bundle/oci/__init__.py b/openllm-python/src/openllm/bundle/oci/__init__.py
index 1755ecba..8bb4d19d 100644
--- a/openllm-python/src/openllm/bundle/oci/__init__.py
+++ b/openllm-python/src/openllm/bundle/oci/__init__.py
@@ -1,46 +1,25 @@
 # mypy: disable-error-code="misc"
-"""OCI-related utilities for OpenLLM. This module is considered to be internal and API are subjected to change."""
-
 from __future__ import annotations
 import functools
 import importlib
 import logging
 import os
 import pathlib
-import shutil
-import subprocess
 import typing as t
-from datetime import datetime, timedelta, timezone
 
 import attr
-import orjson
 
-import bentoml
-import openllm
-import openllm_core
+from openllm_core.exceptions import OpenLLMException
+from openllm_core.utils import codegen
 from openllm_core.utils.lazy import VersionInfo
 
 if t.TYPE_CHECKING:
-  from ghapi import all
-
-  from openllm_core._typing_compat import (
-    LiteralContainerRegistry,
-    LiteralContainerVersionStrategy,
-    LiteralString,
-    RefTuple,
-  )
-
-all = openllm_core.utils.LazyLoader('all', globals(), 'ghapi.all')  # noqa: F811
+  from openllm_core._typing_compat import LiteralContainerRegistry, LiteralContainerVersionStrategy, RefTuple
 
 logger = logging.getLogger(__name__)
 
-_BUILDER = bentoml.container.get_backend('buildx')
 ROOT_DIR = pathlib.Path(os.path.abspath('__file__')).parent.parent.parent
 
-# XXX: This registry will be hard code for now for easier to maintain
-# but in the future, we can infer based on git repo and everything to make it more options for users
-# to build the base image. For now, all of the base image will be <registry>/bentoml/openllm:...
-# NOTE: The ECR registry is the public one and currently only @bentoml team has access to push it.
 _CONTAINER_REGISTRY: dict[LiteralContainerRegistry, str] = {
   'docker': 'docker.io/bentoml/openllm',
   'gh': 'ghcr.io/bentoml/openllm',
@@ -48,122 +27,54 @@ _CONTAINER_REGISTRY: dict[LiteralContainerRegistry, str] = {
 }
 
 # TODO: support custom fork. Currently it only support openllm main.
-_OWNER = 'bentoml'
-_REPO = 'openllm'
-
-_module_location = openllm_core.utils.pkg.source_locations('openllm')
-
-
-@functools.lru_cache
-@openllm_core.utils.apply(str.lower)
-def get_base_container_name(reg: LiteralContainerRegistry) -> str:
-  return _CONTAINER_REGISTRY[reg]
+_OWNER, _REPO = 'bentoml', 'openllm'
 
 
 def _convert_version_from_string(s: str) -> VersionInfo:
   return VersionInfo.from_version_string(s)
 
 
-def _commit_time_range(r: int = 5) -> str:
-  return (datetime.now(timezone.utc) - timedelta(days=r)).strftime('%Y-%m-%dT%H:%M:%SZ')
-
-
-class VersionNotSupported(openllm.exceptions.OpenLLMException):
-  """Raised when the stable release is too low that it doesn't include OpenLLM base container."""
-
-
-_RefTuple: type[RefTuple] = openllm_core.utils.codegen.make_attr_tuple_class(
-  '_RefTuple', ['git_hash', 'version', 'strategy']
-)
-
-
-def nightly_resolver(cls: type[RefResolver]) -> str:
-  # NOTE: all openllm container will have sha-<git_hash[:7]>
-  # This will use docker to run skopeo to determine the correct latest tag that is available
-  # If docker is not found, then fallback to previous behaviour. Which the container might not exists.
-  docker_bin = shutil.which('docker')
-  if docker_bin is None:
-    logger.warning(
-      'To get the correct available nightly container, make sure to have docker available. Fallback to previous behaviour for determine nightly hash (container might not exists due to the lack of GPU machine at a time. See https://github.com/bentoml/OpenLLM/pkgs/container/openllm for available image.)'
-    )
-    commits = t.cast('list[dict[str, t.Any]]', cls._ghapi.repos.list_commits(since=_commit_time_range()))
-    return next(f'sha-{it["sha"][:7]}' for it in commits if '[skip ci]' not in it['commit']['message'])
-  # now is the correct behaviour
-  return orjson.loads(
-    subprocess.check_output(
-      [
-        docker_bin,
-        'run',
-        '--rm',
-        '-it',
-        'quay.io/skopeo/stable:latest',
-        'list-tags',
-        'docker://ghcr.io/bentoml/openllm',
-      ]
-    )
-    .decode()
-    .strip()
-  )['Tags'][-2]
+_RefTuple: type[RefTuple] = codegen.make_attr_tuple_class('_RefTuple', ['git_hash', 'version', 'strategy'])
 
 
 @attr.attrs(eq=False, order=False, slots=True, frozen=True)
 class RefResolver:
   git_hash: str = attr.field()
-  version: openllm_core.utils.VersionInfo = attr.field(converter=_convert_version_from_string)
+  version: VersionInfo = attr.field(converter=_convert_version_from_string)
   strategy: LiteralContainerVersionStrategy = attr.field()
-  _ghapi: t.ClassVar[all.GhApi] = all.GhApi(owner=_OWNER, repo=_REPO, authenticate=False)
-
-  @classmethod
-  def _nightly_ref(cls) -> RefTuple:
-    return _RefTuple((nightly_resolver(cls), 'refs/heads/main', 'nightly'))
 
   @classmethod
   def _release_ref(cls, version_str: str | None = None) -> RefTuple:
+    try:
+      from ghapi.all import GhApi
+
+      ghapi = GhApi(owner=_OWNER, repo=_REPO, authenticate=False)
+      meta = t.cast(t.Dict[str, t.Any], ghapi.repos.get_latest_release())
+    except Exception as err:
+      raise OpenLLMException('Failed to determine latest release version.') from err
     _use_base_strategy = version_str is None
     if version_str is None:
       # NOTE: This strategy will only support openllm>0.2.12
-      meta: dict[str, t.Any] = cls._ghapi.repos.get_latest_release()
       version_str = meta['name'].lstrip('v')
-      version: tuple[str, str | None] = (
-        cls._ghapi.git.get_ref(ref=f"tags/{meta['name']}")['object']['sha'],
-        version_str,
-      )
+      version = (ghapi.git.get_ref(ref=f"tags/{meta['name']}")['object']['sha'], version_str)
     else:
       version = ('', version_str)
-    if openllm_core.utils.VersionInfo.from_version_string(t.cast(str, version_str)) < (0, 2, 12):
-      raise VersionNotSupported(
-        f"Version {version_str} doesn't support OpenLLM base container. Consider using 'nightly' or upgrade 'openllm>=0.2.12'"
-      )
     return _RefTuple((*version, 'release' if _use_base_strategy else 'custom'))
 
   @classmethod
   @functools.lru_cache(maxsize=64)
-  def from_strategy(
-    cls, strategy_or_version: t.Literal['release', 'nightly'] | LiteralString | None = None
-  ) -> RefResolver:
+  def from_strategy(cls, strategy_or_version: LiteralContainerVersionStrategy | None = None) -> RefResolver:
     # using default strategy
     if strategy_or_version is None or strategy_or_version == 'release':
       return cls(*cls._release_ref())
-    elif strategy_or_version == 'latest':
-      return cls('latest', '0.0.0', 'latest')
-    elif strategy_or_version == 'nightly':
-      _ref = cls._nightly_ref()
-      return cls(_ref[0], '0.0.0', _ref[-1])
+    elif strategy_or_version in ('latest', 'nightly'):  # latest is nightly
+      return cls(git_hash='latest', version='0.0.0', strategy='latest')
     else:
-      logger.warning(
-        'Using custom %s. Make sure that it is at lease 0.2.12 for base container support.', strategy_or_version
-      )
-      return cls(*cls._release_ref(version_str=strategy_or_version))
+      raise ValueError(f'Unknown strategy: {strategy_or_version}')
 
   @property
   def tag(self) -> str:
-    # NOTE: latest tag can also be nightly, but discouraged to use it. For nightly refer to use sha-<git_hash_short>
-    if self.strategy == 'latest':
-      return 'latest'
-    elif self.strategy == 'nightly':
-      return self.git_hash
-    else:
-      return repr(self.version)
+    return 'latest' if self.strategy in {'latest', 'nightly'} else repr(self.version)
 
 
 @functools.lru_cache(maxsize=256)
@@ -171,51 +82,8 @@ def get_base_container_tag(strategy: LiteralContainerVersionStrategy | None = No
   return RefResolver.from_strategy(strategy).tag
 
 
-def build_container(
-  registries: LiteralContainerRegistry | t.Sequence[LiteralContainerRegistry] | None = None,
-  version_strategy: LiteralContainerVersionStrategy = 'release',
-  push: bool = False,
-  machine: bool = False,
-) -> dict[str | LiteralContainerRegistry, str]:
-  try:
-    if not _BUILDER.health():
-      raise openllm.exceptions.Error
-  except (openllm.exceptions.Error, subprocess.CalledProcessError):
-    raise RuntimeError(
-      'Building base container requires BuildKit (via Buildx) to be installed. See https://docs.docker.com/build/buildx/install/ for instalation instruction.'
-    ) from None
-  if not shutil.which('nvidia-container-runtime'):
-    raise RuntimeError('NVIDIA Container Toolkit is required to compile CUDA kernel in container.')
-  if not _module_location:
-    raise RuntimeError("Failed to determine source location of 'openllm'. (Possible broken installation)")
-  pyproject_path = pathlib.Path(_module_location).parent.parent / 'pyproject.toml'
-  if not pyproject_path.exists():
-    raise ValueError(
-      "This utility can only be run within OpenLLM git repository. Clone it first with 'git clone https://github.com/bentoml/OpenLLM.git'"
-    )
-  if not registries:
-    tags: dict[str | LiteralContainerRegistry, str] = {
-      alias: f'{value}:{get_base_container_tag(version_strategy)}' for alias, value in _CONTAINER_REGISTRY.items()
-    }
-  else:
-    registries = [registries] if isinstance(registries, str) else list(registries)
-    tags = {name: f'{_CONTAINER_REGISTRY[name]}:{get_base_container_tag(version_strategy)}' for name in registries}
-  try:
-    outputs = _BUILDER.build(
-      file=pathlib.Path(__file__).parent.joinpath('Dockerfile').resolve().__fspath__(),
-      context_path=pyproject_path.parent.__fspath__(),
-      tag=tuple(tags.values()),
-      push=push,
-      progress='plain' if openllm_core.utils.get_debug_mode() else 'auto',
-      quiet=machine,
-    )
-    if machine and outputs is not None:
-      tags['image_sha'] = outputs.decode('utf-8').strip()
-  except Exception as err:
-    raise openllm.exceptions.OpenLLMException(
-      f'Failed to containerize base container images (Scroll up to see error above, or set DEBUG=5 for more traceback):\n{err}'
-    ) from err
-  return tags
+def get_base_container_name(reg: LiteralContainerRegistry) -> str:
+  return _CONTAINER_REGISTRY[reg]
 
 
 if t.TYPE_CHECKING:
@@ -225,7 +93,6 @@ if t.TYPE_CHECKING:
 __all__ = [
   'CONTAINER_NAMES',
   'get_base_container_tag',
-  'build_container',
   'get_base_container_name',
   'supported_registries',
   'RefResolver',
diff --git a/openllm-python/src/openllm/serialisation/__init__.py b/openllm-python/src/openllm/serialisation/__init__.py
index 9e111294..1cae437e 100644
--- a/openllm-python/src/openllm/serialisation/__init__.py
+++ b/openllm-python/src/openllm/serialisation/__init__.py
@@ -4,8 +4,8 @@ import importlib
 import cloudpickle
 import fs
 
-import openllm
 from openllm_core._typing_compat import ParamSpec
+from openllm_core.exceptions import OpenLLMException
 
 P = ParamSpec('P')
 
@@ -31,7 +31,7 @@ def load_tokenizer(llm, **tokenizer_attrs):
       try:
         tokenizer = cloudpickle.load(cofile)['tokenizer']
       except KeyError:
-        raise openllm.exceptions.OpenLLMException(
+        raise OpenLLMException(
           "Bento model does not have tokenizer. Make sure to save the tokenizer within the model via 'custom_objects'. "
           'For example: "bentoml.transformers.save_model(..., custom_objects={\'tokenizer\': tokenizer})"'
         ) from None
diff --git a/openllm-python/src/openllm/serialisation/transformers/__init__.py b/openllm-python/src/openllm/serialisation/transformers/__init__.py
index 51d4d494..93ce948e 100644
--- a/openllm-python/src/openllm/serialisation/transformers/__init__.py
+++ b/openllm-python/src/openllm/serialisation/transformers/__init__.py
@@ -13,7 +13,7 @@ import bentoml
 import openllm
 from bentoml._internal.configuration.containers import BentoMLContainer
 from bentoml._internal.models.model import ModelOptions, ModelSignature
-from openllm_core._typing_compat import M, T
+from openllm_core.exceptions import OpenLLMException
 
 from ._helpers import get_hash, infer_autoclass_from_llm, process_config
 from .weights import HfIgnore
@@ -24,7 +24,7 @@ __all__ = ['import_model', 'get', 'load_model']
 _object_setattr = object.__setattr__
 
 
-def _patch_correct_tag(llm: openllm.LLM[M, T], config: transformers.PretrainedConfig, _revision: str | None = None):
+def _patch_correct_tag(llm, config, _revision=None):
   # NOTE: The following won't hit during local since we generated a correct version based on local path hash It will only hit if we use model from HF Hub
   if llm.revision is not None:
     return
@@ -76,7 +76,7 @@ def import_model(llm, *decls, trust_remote_code, _model_store=Provide[BentoMLCon
 
   if quantize == 'gptq':
     if not openllm.utils.is_autogptq_available() or not openllm.utils.is_optimum_supports_gptq():
-      raise openllm.exceptions.OpenLLMException(
+      raise OpenLLMException(
         "GPTQ quantisation requires 'auto-gptq' and 'optimum' (Not found in local environment). Install it with 'pip install \"openllm[gptq]\" --extra-index-url https://huggingface.github.io/autogptq-index/whl/cu118/'"
       )
     signatures['generate'] = {'batchable': False}
@@ -175,7 +175,7 @@ def get(llm):
     model = bentoml.models.get(llm.tag)
     backend = model.info.labels['backend']
     if backend != llm.__llm_backend__:
-      raise openllm.exceptions.OpenLLMException(
+      raise OpenLLMException(
         f"'{model.tag!s}' was saved with backend '{backend}', while loading with '{llm.__llm_backend__}'."
       )
     _patch_correct_tag(
@@ -185,9 +185,7 @@ def get(llm):
     )
     return model
   except Exception as err:
-    raise openllm.exceptions.OpenLLMException(
-      f'Failed while getting stored artefact (lookup for traceback):\n{err}'
-    ) from err
+    raise OpenLLMException(f'Failed while getting stored artefact (lookup for traceback):\n{err}') from err
 
 
 def check_unintialised_params(model):
@@ -216,13 +214,11 @@ def load_model(llm, *decls, **attrs):
     _quantise = llm.bentomodel.info.metadata['_quantize']
     if _quantise == 'gptq':
       if not openllm.utils.is_autogptq_available() or not openllm.utils.is_optimum_supports_gptq():
-        raise openllm.exceptions.OpenLLMException(
+        raise OpenLLMException(
           "GPTQ quantisation requires 'auto-gptq' and 'optimum' (Not found in local environment). Install it with 'pip install \"openllm[gptq]\" --extra-index-url https://huggingface.github.io/autogptq-index/whl/cu118/'"
         )
       if llm.config['model_type'] != 'causal_lm':
-        raise openllm.exceptions.OpenLLMException(
-          f"GPTQ only support Causal LM (got {llm.__class__} of {llm.config['model_type']})"
-        )
+        raise OpenLLMException(f"GPTQ only support Causal LM (got {llm.__class__} of {llm.config['model_type']})")
 
     # TODO: investigate load with flash attention
     model = auto_class.from_pretrained(
diff --git a/openllm-python/src/openllm/serialisation/transformers/_helpers.py b/openllm-python/src/openllm/serialisation/transformers/_helpers.py
index f4c4d029..d6dc1236 100644
--- a/openllm-python/src/openllm/serialisation/transformers/_helpers.py
+++ b/openllm-python/src/openllm/serialisation/transformers/_helpers.py
@@ -1,17 +1,11 @@
 from __future__ import annotations
 import copy
-import typing as t
 
 import transformers
 
 from openllm.serialisation.constants import FRAMEWORK_TO_AUTOCLASS_MAPPING, HUB_ATTRS
 from openllm_core.exceptions import OpenLLMException
 
-if t.TYPE_CHECKING:
-  from openllm_core._typing_compat import M, T
-
-  from ..._llm import LLM
-
 
 def get_hash(config) -> str:
   _commit_hash = getattr(config, '_commit_hash', None)
@@ -34,7 +28,7 @@ def process_config(model_id, trust_remote_code, **attrs):
   return config, hub_attrs, attrs
 
 
-def infer_autoclass_from_llm(llm: LLM[M, T], config, /):
+def infer_autoclass_from_llm(llm, config, /):
   if llm.trust_remote_code:
     autoclass = 'AutoModelForSeq2SeqLM' if llm.config['model_type'] == 'seq2seq_lm' else 'AutoModelForCausalLM'
     if not hasattr(config, 'auto_map'):
diff --git a/openllm-python/src/openllm/serialisation/transformers/weights.py b/openllm-python/src/openllm/serialisation/transformers/weights.py
index 2927e56b..8f0016cb 100644
--- a/openllm-python/src/openllm/serialisation/transformers/weights.py
+++ b/openllm-python/src/openllm/serialisation/transformers/weights.py
@@ -13,7 +13,6 @@ if t.TYPE_CHECKING:
   from huggingface_hub.hf_api import ModelInfo as HfModelInfo
 
   import openllm
-  from openllm_core._typing_compat import M, T
 
 __global_inst__ = None
 __cached_id__: dict[str, HfModelInfo] = dict()
@@ -39,7 +38,7 @@ def ModelInfo(model_id: str, revision: str | None = None) -> HfModelInfo:
 
 def has_safetensors_weights(model_id: str, revision: str | None = None) -> bool:
   if validate_is_path(model_id):
-    return next((True for item in Path(resolve_filepath(model_id)).glob('*.safetensors')), False)
+    return next((True for _ in Path(resolve_filepath(model_id)).glob('*.safetensors')), False)
   return any(s.rfilename.endswith('.safetensors') for s in ModelInfo(model_id, revision=revision).siblings)
 
 
@@ -52,7 +51,7 @@ class HfIgnore:
   gguf = '*.gguf'
 
   @classmethod
-  def ignore_patterns(cls, llm: openllm.LLM[M, T]) -> list[str]:
+  def ignore_patterns(cls, llm: openllm.LLM[t.Any, t.Any]) -> list[str]:
     if llm.__llm_backend__ in {'vllm', 'pt'}:
       base = [cls.tf, cls.flax, cls.gguf]
       if has_safetensors_weights(llm.model_id):
diff --git a/openllm-python/src/openllm_cli/entrypoint.py b/openllm-python/src/openllm_cli/entrypoint.py
index 661f93bb..7741fd6f 100644
--- a/openllm-python/src/openllm_cli/entrypoint.py
+++ b/openllm-python/src/openllm_cli/entrypoint.py
@@ -52,7 +52,6 @@ from bentoml._internal.cloud.config import CloudClientConfig
 from bentoml._internal.configuration.containers import BentoMLContainer
 from bentoml._internal.models.model import ModelStore
 from openllm import bundle
-from openllm.exceptions import OpenLLMException
 from openllm_core._typing_compat import (
   Concatenate,
   DictStrAny,
@@ -67,6 +66,7 @@ from openllm_core._typing_compat import (
   TypeGuard,
 )
 from openllm_core.config import CONFIG_MAPPING
+from openllm_core.exceptions import OpenLLMException
 from openllm_core.utils import (
   DEBUG_ENV_VAR,
   OPTIONAL_DEPENDENCIES,
diff --git a/openllm-python/src/openllm_cli/extension/build_base_container.py b/openllm-python/src/openllm_cli/extension/build_base_container.py
index a82d1e39..a5783c79 100644
--- a/openllm-python/src/openllm_cli/extension/build_base_container.py
+++ b/openllm-python/src/openllm_cli/extension/build_base_container.py
@@ -1,31 +1,90 @@
 from __future__ import annotations
+import pathlib
+import shutil
+import subprocess
 import typing as t
 
 import click
 import orjson
 
+import bentoml
 import openllm
 from openllm_cli import termui
 from openllm_cli._factory import container_registry_option, machine_option
+from openllm_core.utils import get_debug_mode, pkg
 
 if t.TYPE_CHECKING:
   from openllm_core._typing_compat import LiteralContainerRegistry, LiteralContainerVersionStrategy
 
+_BUILDER = bentoml.container.get_backend('buildx')
+_module_location = pkg.source_locations('openllm')
+
+
+def build_container(
+  registries: LiteralContainerRegistry | t.Sequence[LiteralContainerRegistry] | None = None,
+  version_strategy: LiteralContainerVersionStrategy = 'release',
+  push: bool = False,
+  machine: bool = False,
+) -> dict[str | LiteralContainerRegistry, str]:
+  try:
+    if not _BUILDER.health():
+      raise openllm.exceptions.Error
+  except (openllm.exceptions.Error, subprocess.CalledProcessError):
+    raise RuntimeError(
+      'Building base container requires BuildKit (via Buildx) to be installed. See https://docs.docker.com/build/buildx/install/ for instalation instruction.'
+    ) from None
+  if not shutil.which('nvidia-container-runtime'):
+    raise RuntimeError('NVIDIA Container Toolkit is required to compile CUDA kernel in container.')
+  if not _module_location:
+    raise RuntimeError("Failed to determine source location of 'openllm'. (Possible broken installation)")
+  pyproject_path = pathlib.Path(_module_location).parent.parent / 'pyproject.toml'
+  if not pyproject_path.exists():
+    raise ValueError(
+      "This utility can only be run within OpenLLM git repository. Clone it first with 'git clone https://github.com/bentoml/OpenLLM.git'"
+    )
+  if not registries:
+    tags: dict[str | LiteralContainerRegistry, str] = {
+      alias: f'{value}:{openllm.bundle.get_base_container_tag(version_strategy)}'
+      for alias, value in openllm.bundle.CONTAINER_NAMES.items()
+    }
+  else:
+    registries = [registries] if isinstance(registries, str) else list(registries)
+    tags = {
+      name: f'{openllm.bundle.CONTAINER_NAMES[name]}:{openllm.bundle.get_base_container_tag(version_strategy)}'
+      for name in registries
+    }
+  try:
+    outputs = _BUILDER.build(
+      file=pathlib.Path(__file__).parent.joinpath('Dockerfile').resolve().__fspath__(),
+      context_path=pyproject_path.parent.__fspath__(),
+      tag=tuple(tags.values()),
+      push=push,
+      progress='plain' if get_debug_mode() else 'auto',
+      quiet=machine,
+    )
+    if machine and outputs is not None:
+      tags['image_sha'] = outputs.decode('utf-8').strip()
+  except Exception as err:
+    raise openllm.exceptions.OpenLLMException(
+      f'Failed to containerize base container images (Scroll up to see error above, or set DEBUG=5 for more traceback):\n{err}'
+    ) from err
+  return tags
+
 
 @click.command(
   'build_base_container',
   context_settings=termui.CONTEXT_SETTINGS,
   help="""Base image builder for BentoLLM.
 
-                By default, the base image will include custom kernels (PagedAttention via vllm, FlashAttention-v2, etc.) built with CUDA 11.8, Python 3.9 on Ubuntu22.04.
-                Optionally, this can also be pushed directly to remote registry. Currently support ``docker.io``, ``ghcr.io`` and ``quay.io``.
+          By default, the base image will include custom kernels (PagedAttention via vllm, FlashAttention-v2, etc.) built with CUDA 11.8, Python 3.9 on Ubuntu22.04.
+          Optionally, this can also be pushed directly to remote registry. Currently support ``docker.io``, ``ghcr.io`` and ``quay.io``.
 
-                \b
-                If '--machine' is passed, then it will run the process quietly, and output a JSON to the current running terminal.
-                This command is only useful for debugging and for building custom base image for extending BentoML with custom base images and custom kernels.
+          \b
+          If '--machine' is passed, then it will run the process quietly, and output a JSON to the current running terminal.
+          This command is only useful for debugging and for building custom base image for extending BentoML with custom base images and custom kernels.
 
-                Note that we already release images on our CI to ECR and GHCR, so you don't need to build it yourself.
-                """,
+          Note that we already release images on our CI to ECR and GHCR, so you don't need to build it yourself.
+          """,
 )
 @container_registry_option
 @click.option(
@@ -42,7 +101,7 @@ def cli(
   push: bool,
   machine: bool,
 ) -> dict[str, str]:
-  mapping = openllm.bundle.build_container(container_registry, version_strategy, push, machine)
+  mapping = build_container(container_registry, version_strategy, push, machine)
   if machine:
     termui.echo(orjson.dumps(mapping, option=orjson.OPT_INDENT_2).decode(), fg='white')
   return mapping