diff --git a/examples/offline_inference/minicpmo/README.md b/examples/offline_inference/minicpmo/README.md
index b80fc0aa6..31120773c 100644
--- a/examples/offline_inference/minicpmo/README.md
+++ b/examples/offline_inference/minicpmo/README.md
@@ -1,8 +1,9 @@
 # MiniCPM-o 4.5: Offline inference
 
-Two-stage pipeline: **thinker** (multimodal understanding) → **talker + Token2Wav**
+Three-stage pipeline: **Thinker** → **Talker** (codec) → **Code2Wav**
 (24 kHz speech). Deploy config auto-loads from
-`vllm_omni/deploy/minicpmo_4_5.yaml` (2-GPU default).
+`vllm_omni/deploy/minicpmo_4_5.yaml` (single-GPU default). For higher
+throughput, pass `--deploy-config vllm_omni/deploy/minicpmo_4_5_2gpu.yaml`.
 
 ## Setup
 
@@ -72,7 +73,7 @@ Supported `--query-type` values:
 
 ```bash
 python end2end.py --query-type text \
-    --deploy-config /path/to/vllm_omni/deploy/minicpmo_4_5_8x4090.yaml
+    --deploy-config /path/to/vllm_omni/deploy/minicpmo_4_5_2gpu.yaml
 ```
 
 ## Notes
@@ -83,7 +84,8 @@ python end2end.py --query-type text \
 - Output WAV is **24 kHz mono**.
 - Placeholders in the prompt are MiniCPM-style:
   `(<image>./</image>)`, `(<audio>./</audio>)`, `(<video>./</video>)`.
-- Default layout needs **2 GPUs**. Async chunking is off in the bundled YAMLs.
+- Default layout needs **1 GPU**. Use `minicpmo_4_5_2gpu.yaml` for the
+  recommended two-GPU continuous-batching layout.
 
 ## Online serving
 
diff --git a/examples/online_serving/minicpmo/README.md b/examples/online_serving/minicpmo/README.md
index 2f9929b26..5a9fd2be0 100644
--- a/examples/online_serving/minicpmo/README.md
+++ b/examples/online_serving/minicpmo/README.md
@@ -23,17 +23,17 @@ including `librosa`.
 
 The deploy config auto-loads via `--omni`.
 The default `vllm_omni/deploy/minicpmo_4_5.yaml` keeps all three stages on
-logical device 0 with memory budgets of 55%, 22%, and 22%. The profile admits
-at most four sequences per stage and bounds startup video profiling to 32
-frames per video. For throughput, `minicpmo_4_5_batching.yaml` gives the Thinker
-GPU 0 (90%) and colocates the Talker (55%) and Code2Wav (35%) on GPU 1. That
-profile admits at most four concurrent sequences per stage.
+logical device 0 with memory budgets of 55%, 15%, and 18%, leaving headroom
+for runtime kernels such as the HiFi-GAN vocoder's cuDNN workspace. The
+profile admits at most four sequences per stage. For throughput,
+`minicpmo_4_5_2gpu.yaml` gives the Thinker GPU 0 (90%) and colocates the
+Talker (55%) and Code2Wav (35%) on GPU 1. That profile admits at most four
+concurrent sequences per stage.
 
 | deploy config | GPUs | Notes |
 |---|---|---|
 | `minicpmo_4_5.yaml` (default) | 1 | Memory-constrained compatibility layout. |
-| `minicpmo_4_5_batching.yaml` | 2 | Recommended continuous-batching layout; Talker and Code2Wav share GPU 1. |
-| `minicpmo_4_5_2gpu.yaml` | 2 | Backward-compatible alias for `minicpmo_4_5_batching.yaml`. |
+| `minicpmo_4_5_2gpu.yaml` | 2 | Recommended continuous-batching layout; Talker and Code2Wav share GPU 1. |
 | `minicpmo_4_5_3gpu.yaml` | 3 | One GPU per stage. |
 | `minicpmo_4_5_8x4090.yaml` | 8 | Full 8x4090 layout. |
 | `minicpmo_4_5_duplex.yaml` | 1 | Experimental native full-duplex overlay. |
diff --git a/recipes/OpenBMB/MiniCPM-o-4_5.md b/recipes/OpenBMB/MiniCPM-o-4_5.md
index d34376b9c..c643bc225 100644
--- a/recipes/OpenBMB/MiniCPM-o-4_5.md
+++ b/recipes/OpenBMB/MiniCPM-o-4_5.md
@@ -31,9 +31,7 @@ also provided.
   - Default single-GPU compatibility layout (auto-loaded):
     [`vllm_omni/deploy/minicpmo_4_5.yaml`](../../vllm_omni/deploy/minicpmo_4_5.yaml)
   - Recommended 2-GPU continuous-batching layout:
-    [`vllm_omni/deploy/minicpmo_4_5_batching.yaml`](../../vllm_omni/deploy/minicpmo_4_5_batching.yaml)
-  - 2-GPU and 3-GPU layouts:
-    [`vllm_omni/deploy/minicpmo_4_5_2gpu.yaml`](../../vllm_omni/deploy/minicpmo_4_5_2gpu.yaml),
+    [`vllm_omni/deploy/minicpmo_4_5_2gpu.yaml`](../../vllm_omni/deploy/minicpmo_4_5_2gpu.yaml)
   - 3-GPU layout:
     [`vllm_omni/deploy/minicpmo_4_5_3gpu.yaml`](../../vllm_omni/deploy/minicpmo_4_5_3gpu.yaml)
   - 8x RTX 4090 layout:
@@ -69,8 +67,8 @@ Code2Wav consumes them through a shared-memory async connector.
 MiniCPM-o 4.5 now requires the three-stage topology: the Talker owns
 request-local codec generation and Code2Wav owns waveform state and
 reference-voice prompt features. `minicpmo_4_5.yaml` remains the stable
-single-GPU entry point; `minicpmo_4_5_batching.yaml` is the recommended
-two-GPU profile. The removed fused two-stage implementation is not retained as
+single-GPU entry point; `minicpmo_4_5_2gpu.yaml` is the recommended
+two-GPU continuous-batching profile. The removed fused two-stage implementation is not retained as
 a fallback because it would duplicate state machines and correctness paths.
 
 ## GPU
@@ -80,9 +78,9 @@ a fallback because it would duplicate state machines and correctness paths.
 The default
 [`vllm_omni/deploy/minicpmo_4_5.yaml`](../../vllm_omni/deploy/minicpmo_4_5.yaml)
 co-locates Thinker, codec-only Talker, and Code2Wav on GPU 0. Their
-`gpu_memory_utilization` budgets are 0.55, 0.22, and 0.22. All stages admit
-up to four sequences. Startup video profiling is bounded to 32 frames per
-video. Use the two-GPU profile for production throughput.
+`gpu_memory_utilization` budgets are 0.55, 0.15, and 0.18 so concurrent
+Code2Wav activations keep residual headroom. All stages admit up to four
+sequences. Use the two-GPU profile for production throughput.
 
 #### Environment
 
@@ -106,7 +104,7 @@ The deploy config is auto-loaded by the model registry — no
 For the recommended two-GPU layout, add:
 
 ```bash
---deploy-config vllm_omni/deploy/minicpmo_4_5_batching.yaml
+--deploy-config vllm_omni/deploy/minicpmo_4_5_2gpu.yaml
 ```
 
 #### Performance comparison
@@ -205,8 +203,8 @@ speech output (TTS)"** checkbox on / off.
 
 #### Notes
 
-- Memory budget: Thinker, Talker, and Code2Wav reserve 0.55, 0.22, and
-  0.22 of GPU 0. The larger Thinker share protects its multimodal KV cache;
+- Memory budget: Thinker, Talker, and Code2Wav reserve 0.55, 0.15, and
+  0.18 of GPU 0 so concurrent Code2Wav activations keep residual headroom;
   all three model processes still share one CUDA device.
 - `--trust-remote-code` is required — the HF repo ships a custom
   `MiniCPMO` config / model class.
@@ -217,14 +215,13 @@ speech output (TTS)"** checkbox on / off.
   contention. Talker AR
   state and Code2Wav caches are request-owned; Code2Wav batches only
   exact-shape-compatible chunks and does not fall back to serial decode.
-- `limit_mm_per_prompt.video.num_frames: 32` bounds startup dummy profiling,
-  not runtime media decoding. Use `media_io_kwargs.video.num_frames` when a
-  matching URL/file video sampling limit is required.
+- Stage 0 pins `interleave_mm_strings=true` and
+  `media_io_kwargs.video={fps:1,num_frames:128}` for Daily-Omni MiniCPM packs.
 - `StageRequestStats.batch_size` is a request-scoped placeholder, not the
   scheduler's execution batch.
 - Single-GPU co-location trades throughput for hardware density: Stage 0/1
   CUDA Graph replay and eager Stage 2 vocoder kernels compete across three
-  CUDA contexts. Use the 8x4090 config or a custom multi-GPU mapping for
+  CUDA contexts. Use `minicpmo_4_5_2gpu.yaml` or a custom multi-GPU mapping for
   throughput-sensitive serving.
 
 ### 8 x RTX 4090 24GB (consumer-GPU layout)
diff --git a/tests/dfx/reliability/invalid_param_test/test_invalid_minicpmo_4_5_omni.py b/tests/dfx/reliability/invalid_param_test/test_invalid_minicpmo_4_5_omni.py
index c37b0b26a..df67b9922 100644
--- a/tests/dfx/reliability/invalid_param_test/test_invalid_minicpmo_4_5_omni.py
+++ b/tests/dfx/reliability/invalid_param_test/test_invalid_minicpmo_4_5_omni.py
@@ -14,7 +14,7 @@ from tests.helpers.stage_config import get_deploy_config_path
 
 pytestmark = [pytest.mark.slow, pytest.mark.omni, pytest.mark.full_model]
 
-_MINICPMO_DEPLOY = get_deploy_config_path("minicpmo_4_5_batching.yaml")
+_MINICPMO_DEPLOY = get_deploy_config_path("minicpmo_4_5_2gpu.yaml")
 
 _MINICPMO_SERVER = [
     pytest.param(
diff --git a/tests/e2e/online_serving/test_minicpmo_4_5.py b/tests/e2e/online_serving/test_minicpmo_4_5.py
index e19ab6a09..f8b65fd0e 100644
--- a/tests/e2e/online_serving/test_minicpmo_4_5.py
+++ b/tests/e2e/online_serving/test_minicpmo_4_5.py
@@ -19,7 +19,7 @@ _MODEL = "openbmb/MiniCPM-o-4_5"
 _CI_DEPLOY = modify_stage_config(
     get_deploy_config_path("minicpmo_4_5.yaml"),
     updates={
-        "stages": {0: {"default_sampling_params.max_tokens": 128}, 1: {"default_sampling_params.max_tokens": 512}}
+        "stages": {0: {"default_sampling_params.max_tokens": 128}, 1: {"default_sampling_params.max_tokens": 1024}}
     },
 )
 
diff --git a/tests/model_executor/models/minicpmo_4_5/test_pipeline.py b/tests/model_executor/models/minicpmo_4_5/test_pipeline.py
index bce016d67..ae121b118 100644
--- a/tests/model_executor/models/minicpmo_4_5/test_pipeline.py
+++ b/tests/model_executor/models/minicpmo_4_5/test_pipeline.py
@@ -34,7 +34,6 @@ _PIPELINE_KEY = "minicpmo_4_5"
 _DEPLOY_DIR = Path(__file__).resolve().parents[4] / "vllm_omni" / "deploy"
 _DEPLOY_LAYOUTS = {
     "minicpmo_4_5.yaml": ["0", "0", "0"],
-    "minicpmo_4_5_batching.yaml": ["0", "1", "1"],
     "minicpmo_4_5_2gpu.yaml": ["0", "1", "1"],
     "minicpmo_4_5_3gpu.yaml": ["0", "1", "2"],
     "minicpmo_4_5_8x4090.yaml": ["0,1,2,3", "4", "5"],
diff --git a/tests/test_config_factory.py b/tests/test_config_factory.py
index 1f7b1045d..78436eb1d 100644
--- a/tests/test_config_factory.py
+++ b/tests/test_config_factory.py
@@ -2191,6 +2191,16 @@ class TestPlatformOverrides:
             replica_stages = merge_pipeline_deploy(pipeline, replica)
             assert "kv_cache_memory_bytes" not in replica_stages[1].yaml_engine_args
 
+    def test_minicpmo_4_5_single_gpu_admits_four_sequences(self):
+        """Single-GPU shares leave room for Code2Wav peak activations at bs<=4."""
+        deploy = load_deploy_config(Path(get_deploy_config_path("minicpmo_4_5.yaml")))
+        assert [stage.max_num_seqs for stage in deploy.stages] == [4, 4, 4]
+        assert [stage.gpu_memory_utilization for stage in deploy.stages] == [
+            0.55,
+            0.15,
+            0.18,
+        ]
+
     def test_npu_overrides(self):
         deploy_path = Path(__file__).parent.parent / "vllm_omni" / "deploy" / "qwen3_omni_moe.yaml"
         if not deploy_path.exists():
diff --git a/vllm_omni/deploy/minicpmo_4_5.yaml b/vllm_omni/deploy/minicpmo_4_5.yaml
index ab79c37ca..fbc2853df 100644
--- a/vllm_omni/deploy/minicpmo_4_5.yaml
+++ b/vllm_omni/deploy/minicpmo_4_5.yaml
@@ -17,7 +17,9 @@ connectors:
 
 stages:
   - stage_id: 0
-    max_num_seqs: 16
+    # Four-way concurrency matches the single-GPU memory shares below;
+    # larger batches make Code2Wav activations OOM on one H100.
+    max_num_seqs: 4
     # Leave headroom on the shared GPU for Talker KV + concurrent Code2Wav.
     gpu_memory_utilization: 0.55
     enforce_eager: false
@@ -48,7 +50,7 @@ stages:
       repetition_penalty: 1.0
 
   - stage_id: 1
-    max_num_seqs: 16
+    max_num_seqs: 4
     gpu_memory_utilization: 0.15
     enforce_eager: false
     max_num_batched_tokens: 8192
@@ -70,7 +72,7 @@ stages:
       detokenize: false
 
   - stage_id: 2
-    max_num_seqs: 16
+    max_num_seqs: 4
     gpu_memory_utilization: 0.18
     enforce_eager: true
     enable_chunked_prefill: false
diff --git a/vllm_omni/deploy/minicpmo_4_5_2gpu.yaml b/vllm_omni/deploy/minicpmo_4_5_2gpu.yaml
index eddfd0877..1929e5fd1 100644
--- a/vllm_omni/deploy/minicpmo_4_5_2gpu.yaml
+++ b/vllm_omni/deploy/minicpmo_4_5_2gpu.yaml
@@ -1,2 +1,95 @@
-# Backward-compatible name for the canonical two-GPU batching profile.
-base_config: minicpmo_4_5_batching.yaml
+# MiniCPM-o 4.5 two-GPU continuous-batching layout.
+#
+# Thinker owns GPU 0. Talker and Code2Wav share GPU 1, keeping text decoding
+# isolated from codec/vocoder contention while preserving stage-2 batching.
+pipeline: minicpmo_4_5
+async_chunk: true
+
+trust_remote_code: true
+enable_prefix_caching: false
+
+connectors:
+  connector_of_shared_memory:
+    name: SharedMemoryConnector
+    extra:
+      connector_get_sleep_s: 0.01
+      connector_get_max_wait_first_chunk: 3000
+      connector_get_max_wait: 300
+      codec_chunk_frames: 25
+      codec_left_context_frames: 3
+
+stages:
+  - stage_id: 0
+    max_num_seqs: 4
+    gpu_memory_utilization: 0.9
+    enforce_eager: false
+    tensor_parallel_size: 1
+    max_num_batched_tokens: 16384
+    devices: "0"
+    interleave_mm_strings: true
+    media_io_kwargs:
+      video:
+        fps: 1
+        num_frames: 128
+    limit_mm_per_prompt:
+      video: 1
+    default_sampling_params:
+      temperature: 0.0
+      top_p: 1.0
+      top_k: -1
+      max_tokens: 2048
+      seed: 42
+      detokenize: true
+      repetition_penalty: 1.1
+
+  - stage_id: 1
+    max_num_seqs: 4
+    gpu_memory_utilization: 0.55
+    enforce_eager: false
+    max_num_batched_tokens: 8192
+    # Talker context is 4096 (tts_config.max_position_embeddings).
+    max_model_len: 4096
+    devices: "1"
+    output_connectors:
+      to_stage_2: connector_of_shared_memory
+    # Codec sampling is model-owned by the checkpoint's tts_config (defaults:
+    # T=0.8, top-k=25, top-p=0.85, repetition penalty=1.05, seed=42).
+    # These parameters only govern vLLM's binary continue/stop token.
+    default_sampling_params:
+      temperature: 0.0
+      top_p: 1.0
+      top_k: -1
+      min_tokens: 50
+      max_tokens: 2048
+      stop_token_ids: [1]
+      seed: 42
+      detokenize: false
+
+  - stage_id: 2
+    max_num_seqs: 4
+    gpu_memory_utilization: 0.35
+    enforce_eager: true
+    enable_chunked_prefill: false
+    max_num_batched_tokens: 65536
+    max_model_len: 65536
+    devices: "1"
+    input_connectors:
+      from_stage_1: connector_of_shared_memory
+    default_sampling_params:
+      temperature: 0.0
+      top_p: 1.0
+      top_k: -1
+      max_tokens: 65536
+      detokenize: true
+
+platforms:
+  npu:
+    stages:
+      - stage_id: 0
+        max_num_batched_tokens: 8192
+        compilation_config:
+          cudagraph_mode: PIECEWISE
+      - stage_id: 1
+        max_num_batched_tokens: 8192
+        compilation_config:
+          cudagraph_mode: PIECEWISE
diff --git a/vllm_omni/deploy/minicpmo_4_5_batching.yaml b/vllm_omni/deploy/minicpmo_4_5_batching.yaml
deleted file mode 100644
index 41ee72a39..000000000
--- a/vllm_omni/deploy/minicpmo_4_5_batching.yaml
+++ /dev/null
@@ -1,93 +0,0 @@
-# MiniCPM-o 4.5 two-GPU continuous-batching layout.
-#
-# Thinker owns GPU 0. Talker and Code2Wav share GPU 1, keeping text decoding
-# isolated from codec/vocoder contention while preserving stage-2 batching.
-pipeline: minicpmo_4_5
-async_chunk: true
-
-trust_remote_code: true
-enable_prefix_caching: false
-
-connectors:
-  connector_of_shared_memory:
-    name: SharedMemoryConnector
-    extra:
-      connector_get_sleep_s: 0.01
-      connector_get_max_wait_first_chunk: 3000
-      connector_get_max_wait: 300
-      codec_chunk_frames: 25
-      codec_left_context_frames: 3
-
-stages:
-  - stage_id: 0
-    max_num_seqs: 4
-    gpu_memory_utilization: 0.9
-    enforce_eager: false
-    tensor_parallel_size: 1
-    max_num_batched_tokens: 16384
-    devices: "0"
-    interleave_mm_strings: true
-    media_io_kwargs:
-      video:
-        fps: 1
-        num_frames: 128
-    limit_mm_per_prompt:
-      video: 1
-    default_sampling_params:
-      temperature: 0.0
-      top_p: 1.0
-      top_k: -1
-      max_tokens: 2048
-      seed: 42
-      detokenize: true
-      repetition_penalty: 1.1
-
-  - stage_id: 1
-    max_num_seqs: 4
-    gpu_memory_utilization: 0.55
-    enforce_eager: false
-    max_num_batched_tokens: 8192
-    devices: "1"
-    output_connectors:
-      to_stage_2: connector_of_shared_memory
-    # Codec sampling is model-owned by the checkpoint's tts_config (defaults:
-    # T=0.8, top-k=25, top-p=0.85, repetition penalty=1.05, seed=42).
-    # These parameters only govern vLLM's binary continue/stop token.
-    default_sampling_params:
-      temperature: 0.0
-      top_p: 1.0
-      top_k: -1
-      min_tokens: 50
-      max_tokens: 2048
-      stop_token_ids: [1]
-      seed: 42
-      detokenize: false
-
-  - stage_id: 2
-    max_num_seqs: 4
-    gpu_memory_utilization: 0.35
-    enforce_eager: true
-    enable_chunked_prefill: false
-    max_num_batched_tokens: 65536
-    max_model_len: 65536
-    devices: "1"
-    input_connectors:
-      from_stage_1: connector_of_shared_memory
-    default_sampling_params:
-      temperature: 0.0
-      top_p: 1.0
-      top_k: -1
-      max_tokens: 65536
-      detokenize: true
-
-platforms:
-  npu:
-    stages:
-      - stage_id: 0
-        max_num_batched_tokens: 8192
-        compilation_config:
-          cudagraph_mode: PIECEWISE
-      - stage_id: 1
-        max_num_batched_tokens: 8192
-        compilation_config:
-          cudagraph_mode: PIECEWISE