diff --git a/.ci/lumen_cli/cli/lib/common/gh_summary.py b/.ci/lumen_cli/cli/lib/common/gh_summary.py
new file mode 100644
index 00000000000..72bfaa76e70
--- /dev/null
+++ b/.ci/lumen_cli/cli/lib/common/gh_summary.py
@@ -0,0 +1,143 @@
+from __future__ import annotations
+
+import logging
+import os
+import textwrap
+from pathlib import Path
+from typing import TYPE_CHECKING
+
+from cli.lib.common.utils import get_wheels
+from jinja2 import Template
+
+
+if TYPE_CHECKING:
+    from collections.abc import Iterable, Mapping
+
+
+logger = logging.getLogger(__name__)
+
+_TPL_CONTENT = Template(
+    textwrap.dedent("""\
+    ## {{ title }}
+
+    ```{{ lang }}
+    {{ content }}
+    ```
+""")
+)
+
+_TPL_LIST_ITEMS = Template(
+    textwrap.dedent("""\
+    ## {{ title }}
+    {% for it in items %}
+    - {{ it.pkg }}: {{ it.relpath }}
+    {% else %}
+    _(no item found)_
+    {% endfor %}
+    """)
+)
+
+_TPL_TABLE = Template(
+    textwrap.dedent("""\
+    {%- if rows %}
+    | {{ cols | join(' | ') }} |
+    |{%- for _ in cols %} --- |{%- endfor %}
+    {%- for r in rows %}
+    | {%- for c in cols %} {{ r.get(c, "") }} |{%- endfor %}
+    {%- endfor %}
+    {%- else %}
+    _(no data)_
+    {%- endif %}
+""")
+)
+
+
+def gh_summary_path() -> Path | None:
+    """Return the Path to the GitHub step summary file, or None if not set."""
+    p = os.environ.get("GITHUB_STEP_SUMMARY")
+    return Path(p) if p else None
+
+
+def write_gh_step_summary(md: str, *, append_content: bool = True) -> bool:
+    """
+    Write Markdown content to the GitHub Step Summary file if GITHUB_STEP_SUMMARY is set.
+    append_content: default true, if True, append to the end of the file, else overwrite the whole file
+
+    Returns:
+        True if written successfully (in GitHub Actions environment),
+        False if skipped (e.g., running locally where the variable is not set).
+    """
+    sp = gh_summary_path()
+    if not sp:
+        logger.info("[gh-summary] GITHUB_STEP_SUMMARY not set, skipping write.")
+        return False
+
+    md_clean = textwrap.dedent(md).strip() + "\n"
+
+    mode = "a" if append_content else "w"
+    with sp.open(mode, encoding="utf-8") as f:
+        f.write(md_clean)
+    return True
+
+
+def md_heading(text: str, level: int = 2) -> str:
+    """Generate a Markdown heading string with the given level (1-6)."""
+    return f"{'#' * max(1, min(level, 6))} {text}\n"
+
+
+def md_details(summary: str, content: str) -> str:
+    """Generate a collapsible <details> block with a summary and inner content."""
+    return f"<details>\n<summary>{summary}</summary>\n\n{content}\n\n</details>\n"
+
+
+def summarize_content_from_file(
+    output_dir: Path,
+    freeze_file: str,
+    title: str = "Content from file",
+    code_lang: str = "",  # e.g. "text" or "ini"
+) -> bool:
+    f = Path(output_dir) / freeze_file
+    if not f.exists():
+        return False
+    content = f.read_text(encoding="utf-8").strip()
+    md = render_content(content, title=title, lang=code_lang)
+    return write_gh_step_summary(md)
+
+
+def summarize_wheels(path: Path, title: str = "Wheels", max_depth: int = 3):
+    items = get_wheels(path, max_depth=max_depth)
+    if not items:
+        return False
+    md = render_list(items, title=title)
+    return write_gh_step_summary(md)
+
+
+def md_kv_table(rows: Iterable[Mapping[str, str | int | float]]) -> str:
+    """
+    Render a list of dicts as a Markdown table using Jinja template.
+    """
+    rows = list(rows)
+    cols = list({k for r in rows for k in r.keys()})
+    md = _TPL_TABLE.render(cols=cols, rows=rows).strip() + "\n"
+    return md
+
+
+def render_list(
+    items: Iterable[str],
+    *,
+    title: str = "List",
+) -> str:
+    tpl = _TPL_LIST_ITEMS
+    md = tpl.render(title=title, items=items)
+    return md
+
+
+def render_content(
+    content: str,
+    *,
+    title: str = "Content",
+    lang: str = "text",
+) -> str:
+    tpl = _TPL_CONTENT
+    md = tpl.render(title=title, content=content, lang=lang)
+    return md
diff --git a/.ci/lumen_cli/cli/lib/common/git_helper.py b/.ci/lumen_cli/cli/lib/common/git_helper.py
index 7fa070a3cb6..9833caca956 100644
--- a/.ci/lumen_cli/cli/lib/common/git_helper.py
+++ b/.ci/lumen_cli/cli/lib/common/git_helper.py
@@ -45,7 +45,7 @@ def clone_external_repo(target: str, repo: str, dst: str = "", update_submodules
 
         # Checkout pinned commit
         commit = get_post_build_pinned_commit(target)
-        logger.info("Checking out pinned commit %s", commit)
+        logger.info("Checking out pinned %s commit %s", target, commit)
         r.git.checkout(commit)
 
         # Update submodules if requested
@@ -55,7 +55,7 @@ def clone_external_repo(target: str, repo: str, dst: str = "", update_submodules
                 sm.update(init=True, recursive=True, progress=PrintProgress())
 
         logger.info("Successfully cloned %s", target)
-        return r
+        return r, commit
 
     except GitCommandError as e:
         logger.error("Git operation failed: %s", e)
diff --git a/.ci/lumen_cli/cli/lib/common/pip_helper.py b/.ci/lumen_cli/cli/lib/common/pip_helper.py
index 1eed8406c9f..a53747e24d2 100644
--- a/.ci/lumen_cli/cli/lib/common/pip_helper.py
+++ b/.ci/lumen_cli/cli/lib/common/pip_helper.py
@@ -4,7 +4,7 @@ import shlex
 import shutil
 import sys
 from collections.abc import Iterable
-from importlib.metadata import PackageNotFoundError, version
+from importlib.metadata import PackageNotFoundError, version  # noqa: UP035
 from typing import Optional, Union
 
 from cli.lib.common.utils import run_command
diff --git a/.ci/lumen_cli/cli/lib/common/utils.py b/.ci/lumen_cli/cli/lib/common/utils.py
index 05790bd66ac..b03309810d9 100644
--- a/.ci/lumen_cli/cli/lib/common/utils.py
+++ b/.ci/lumen_cli/cli/lib/common/utils.py
@@ -8,6 +8,7 @@ import shlex
 import subprocess
 import sys
 from contextlib import contextmanager
+from pathlib import Path
 from typing import Optional
 
 
@@ -115,3 +116,24 @@ def working_directory(path: str):
         yield
     finally:
         os.chdir(prev_cwd)
+
+
+def get_wheels(
+    output_dir: Path,
+    max_depth: Optional[int] = None,
+) -> list[str]:
+    """Return a list of wheels found in the given output directory."""
+    root = Path(output_dir)
+    if not root.exists():
+        return []
+    items = []
+    for dirpath, _, filenames in os.walk(root):
+        depth = Path(dirpath).relative_to(root).parts
+        if max_depth is not None and len(depth) > max_depth:
+            continue
+        for fname in sorted(filenames):
+            if fname.endswith(".whl"):
+                pkg = fname.split("-")[0]
+                relpath = str((Path(dirpath) / fname).relative_to(root))
+                items.append({"pkg": pkg, "relpath": relpath})
+    return items
diff --git a/.ci/lumen_cli/cli/lib/core/vllm/lib.py b/.ci/lumen_cli/cli/lib/core/vllm/lib.py
index 7f3a930b2cc..148f58cffd7 100644
--- a/.ci/lumen_cli/cli/lib/core/vllm/lib.py
+++ b/.ci/lumen_cli/cli/lib/core/vllm/lib.py
@@ -1,13 +1,27 @@
 import logging
+import os
+import textwrap
 from typing import Any
 
+from cli.lib.common.gh_summary import write_gh_step_summary
 from cli.lib.common.git_helper import clone_external_repo
 from cli.lib.common.pip_helper import pip_install_packages
 from cli.lib.common.utils import run_command, temp_environ, working_directory
+from jinja2 import Template
 
 
 logger = logging.getLogger(__name__)
 
+_TPL_VLLM_INFO = Template(
+    textwrap.dedent("""\
+    ##  Vllm against Pytorch CI Test Summary
+    **Vllm Commit**: [{{ vllm_commit }}](https://github.com/vllm-project/vllm/commit/{{ vllm_commit }})
+    {%- if torch_sha %}
+    **Pytorch Commit**: [{{ torch_sha }}](https://github.com/pytorch/pytorch/commit/{{ torch_sha }})
+    {%- endif %}
+""")
+)
+
 
 def sample_vllm_test_library():
     """
@@ -214,12 +228,13 @@ def run_test_plan(
 
 
 def clone_vllm(dst: str = "vllm"):
-    clone_external_repo(
+    _, commit = clone_external_repo(
         target="vllm",
         repo="https://github.com/vllm-project/vllm.git",
         dst=dst,
         update_submodules=True,
     )
+    return commit
 
 
 def replace_buildkite_placeholders(step: str, shard_id: int, num_shards: int) -> str:
@@ -230,3 +245,12 @@ def replace_buildkite_placeholders(step: str, shard_id: int, num_shards: int) ->
     for k in sorted(mapping, key=len, reverse=True):
         step = step.replace(k, mapping[k])
     return step
+
+
+def summarize_build_info(vllm_commit: str) -> bool:
+    torch_sha = os.getenv("GITHUB_SHA")
+    md = (
+        _TPL_VLLM_INFO.render(vllm_commit=vllm_commit, torch_sha=torch_sha).strip()
+        + "\n"
+    )
+    return write_gh_step_summary(md)
diff --git a/.ci/lumen_cli/cli/lib/core/vllm/vllm_build.py b/.ci/lumen_cli/cli/lib/core/vllm/vllm_build.py
index d067a14f759..8db48065cb0 100644
--- a/.ci/lumen_cli/cli/lib/core/vllm/vllm_build.py
+++ b/.ci/lumen_cli/cli/lib/core/vllm/vllm_build.py
@@ -13,6 +13,11 @@ from cli.lib.common.envs_helper import (
     env_str_field,
     with_params_help,
 )
+from cli.lib.common.gh_summary import (
+    gh_summary_path,
+    summarize_content_from_file,
+    summarize_wheels,
+)
 from cli.lib.common.path_helper import (
     copy,
     ensure_dir_exists,
@@ -21,7 +26,7 @@ from cli.lib.common.path_helper import (
     is_path_exist,
 )
 from cli.lib.common.utils import run_command
-from cli.lib.core.vllm.lib import clone_vllm
+from cli.lib.core.vllm.lib import clone_vllm, summarize_build_info
 
 
 logger = logging.getLogger(__name__)
@@ -153,18 +158,43 @@ class VllmBuildRunner(BaseRunner):
         """
         inputs = VllmBuildParameters()
         logger.info("Running vllm build with inputs: %s", inputs)
-        clone_vllm()
+        vllm_commit = clone_vllm()
 
         self.cp_dockerfile_if_exist(inputs)
-
         # cp torch wheels from root direct to vllm workspace if exist
         self.cp_torch_whls_if_exist(inputs)
 
-        ensure_dir_exists(inputs.output_dir)
+        # make sure the output dir to store the build artifacts exist
+        ensure_dir_exists(Path(inputs.output_dir))
 
         cmd = self._generate_docker_build_cmd(inputs)
         logger.info("Running docker build: \n %s", cmd)
-        run_command(cmd, cwd="vllm", env=os.environ.copy())
+
+        try:
+            run_command(cmd, cwd="vllm", env=os.environ.copy())
+        finally:
+            self.genearte_vllm_build_summary(vllm_commit, inputs)
+
+    def genearte_vllm_build_summary(
+        self, vllm_commit: str, inputs: VllmBuildParameters
+    ):
+        if not gh_summary_path():
+            return logger.info("Skipping, not detect GH Summary env var....")
+        logger.info("Generate GH Summary ...")
+        # summarize vllm build info
+        summarize_build_info(vllm_commit)
+
+        # summarize vllm build artifacts
+        vllm_artifact_dir = inputs.output_dir / "wheels"
+        summarize_content_from_file(
+            vllm_artifact_dir,
+            "build_summary.txt",
+            title="Vllm build env pip package summary",
+        )
+        summarize_wheels(
+            inputs.torch_whls_path, max_depth=3, title="Torch Wheels Artifacts"
+        )
+        summarize_wheels(vllm_artifact_dir, max_depth=3, title="Vllm Wheels Artifacts")
 
     def cp_torch_whls_if_exist(self, inputs: VllmBuildParameters) -> str:
         if not inputs.use_torch_whl:
diff --git a/.github/actions/build-external-packages/action.yml b/.github/actions/build-external-packages/action.yml
index dc8b8b88953..3c7007a9230 100644
--- a/.github/actions/build-external-packages/action.yml
+++ b/.github/actions/build-external-packages/action.yml
@@ -48,6 +48,7 @@ runs:
         BASE_IMAGE: ${{ inputs.docker-image }}
         BUILD_TARGETS: ${{ inputs.build-targets }}
         PARENT_OUTPUT_DIR: ${{ inputs.output-dir}}
+
       shell: bash
       run: |
         set -euo pipefail
diff --git a/.github/ci_configs/vllm/Dockerfile.tmp_vllm b/.github/ci_configs/vllm/Dockerfile.tmp_vllm
index 131a5dd22fb..da57a7412c8 100644
--- a/.github/ci_configs/vllm/Dockerfile.tmp_vllm
+++ b/.github/ci_configs/vllm/Dockerfile.tmp_vllm
@@ -176,6 +176,7 @@ RUN --mount=type=cache,target=/root/.cache/uv \
 # Build can take a long time, and the torch nightly version fetched from url can be different in next docker stage.
 # track the nightly torch version used in the build, when we set up runtime environment we can make sure the version is the same
 RUN uv pip freeze | grep -i '^torch\|^torchvision\|^torchaudio' > torch_build_versions.txt
+
 RUN cat torch_build_versions.txt
 RUN pip freeze | grep -E 'torch|xformers|torchvision|torchaudio'
 
@@ -376,6 +377,7 @@ RUN --mount=type=cache,target=/root/.cache/uv \
 
 # Logging to confirm the torch versions
 RUN pip freeze | grep -E 'torch|xformers|vllm|flashinfer'
+RUN uv pip freeze | grep -i '^torch\|^torchvision\|^torchaudio\|^xformers\|^vllm\|^flashinfer' > build_summary.txt
 ################### VLLM INSTALLED IMAGE ####################
 
 
@@ -433,4 +435,5 @@ FROM scratch as export-wheels
 # Just copy the wheels we prepared in previous stages
 COPY --from=base /workspace/xformers-dist /wheels/xformers
 COPY --from=build /workspace/vllm-dist /wheels/vllm
+COPY --from=vllm-base /workspace/build_summary.txt /wheels/build_summary.txt
 COPY --from=vllm-base /workspace/wheels/flashinfer /wheels/flashinfer-python