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.. _recipe_gpt_oss:
gpt-oss
=======
Validated models
----------------
- `openai/gpt-oss-120b <https://huggingface.co/openai/gpt-oss-120b>`_
- `openai/gpt-oss-20b <https://huggingface.co/openai/gpt-oss-20b>`_
.. tab-set::
:sync-group: engine
.. tab-item:: vLLM
**Engine documentation:**
`GPT-OSS in vLLM supported models
<https://docs.vllm.ai/en/latest/models/supported_models.html#text-generation>`_
(architecture ``GptOssForCausalLM``).
**Status:** Validated with LMCache.
Start the LMCache MP server:
.. code-block:: bash
lmcache server --l1-size-gb 100 --eviction-policy LRU
|
**gpt-oss-120b** (2 GPUs):
.. code-block:: bash
vllm serve openai/gpt-oss-120b \
--tensor-parallel-size 2 \
--enable-auto-tool-choice \
--tool-call-parser openai \
--kv-transfer-config \
'{"kv_connector":"LMCacheMPConnector", "kv_role":"kv_both"}'
|
**gpt-oss-20b** (1 GPU):
.. code-block:: bash
vllm serve openai/gpt-oss-20b \
--enable-auto-tool-choice \
--tool-call-parser openai \
--kv-transfer-config \
'{"kv_connector":"LMCacheMPConnector", "kv_role":"kv_both"}'
|
Adjust ``--tensor-parallel-size`` to match your hardware. For the
generic LMCache + vLLM wiring (ports, remote hosts),
see :doc:`../getting_started/quickstart`.
If there are any issues with vLLM setup, please refer to the
`vLLM Recipes <https://docs.vllm.ai/projects/recipes/en/latest/index.html>`_
for more details.
.. tab-item:: SGLang
**Status:** Not validated with LMCache.
.. tab-item:: TRT-LLM
**Status:** Supported. See :doc:`../getting_started/quickstart` for TRT-LLM + LMCache setup.
CacheBlend support
------------------
Compression support
-------------------
.. list-table::
:header-rows: 1
:widths: 25 20 55
* - Method
- Status
- Notes
* - :doc:`CacheGen <../kv_cache_optimizations/compression/cachegen>`
- Not validated
-
Caveats
-------
None known.