diff --git a/vllm/v1/worker/gpu/model_runner.py b/vllm/v1/worker/gpu/model_runner.py
index 98d889cdbb88..bf882a8af311 100644
--- a/vllm/v1/worker/gpu/model_runner.py
+++ b/vllm/v1/worker/gpu/model_runner.py
@@ -91,6 +91,7 @@
 from vllm.v1.worker.gpu.sample.output import SamplerOutput
 from vllm.v1.worker.gpu.sample.prompt_logprob import PromptLogprobsWorker
 from vllm.v1.worker.gpu.sample.sampler import Sampler
+from vllm.v1.worker.gpu.shutdown import free_before_shutdown
 from vllm.v1.worker.gpu.spec_decode import init_speculator
 from vllm.v1.worker.gpu.spec_decode.eagle.eagle3_utils import (
     set_eagle3_aux_hidden_state_layers,
@@ -1339,6 +1340,24 @@ def postprocess_pool(self, input_batch: InputBatch) -> None:
             input_batch.num_scheduled_tokens
         )
 
+    def shutdown(self) -> None:
+        """Release GPU tensors (model weights, KV caches, workspace) so that
+        memory is reclaimable when running in the same process."""
+        torch.accelerator.synchronize()
+        if hasattr(self, "kv_caches"):
+            self.kv_caches.clear()
+        if hasattr(self, "attn_groups"):
+            self.attn_groups.clear()
+        if hasattr(self, "kv_cache_config"):
+            del self.kv_cache_config
+        free_before_shutdown(self.vllm_config)
+        if hasattr(self, "model"):
+            del self.model
+
+        gc.collect()
+        torch.accelerator.empty_cache()
+        logger.debug("Cleaned up model weights, KV caches, and workspace")
+
     ########### EPLB methods start ###########
     @property
     def eplb_state(self):
diff --git a/vllm/v1/worker/gpu/shutdown.py b/vllm/v1/worker/gpu/shutdown.py
new file mode 100644
index 000000000000..830083962347
--- /dev/null
+++ b/vllm/v1/worker/gpu/shutdown.py
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+from vllm.config import VllmConfig
+from vllm.logger import init_logger
+
+logger = init_logger(__name__)
+
+
+def free_before_shutdown(vllm_config: VllmConfig) -> None:
+    from vllm.model_executor.layers.rotary_embedding import _ROPE_DICT
+    from vllm.v1.worker.workspace import reset_workspace_manager
+
+    cache_config = vllm_config.cache_config
+    cache_config.num_gpu_blocks = None
+
+    compilation_config = vllm_config.compilation_config
+    compilation_config.static_forward_context.clear()
+
+    _ROPE_DICT.clear()
+    reset_workspace_manager()