diff --git a/benchmarks/multi_node/srt-slurm-recipes/vllm/kimi-k3/agentic/agg-gb200-dcp16-dspark4-maxseq2-mooncake-agentic.yaml b/benchmarks/multi_node/srt-slurm-recipes/vllm/kimi-k3/agentic/agg-gb200-dcp16-dspark4-maxseq2-mooncake-agentic.yaml
index 6878c47b00..48df897f0d 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/vllm/kimi-k3/agentic/agg-gb200-dcp16-dspark4-maxseq2-mooncake-agentic.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/vllm/kimi-k3/agentic/agg-gb200-dcp16-dspark4-maxseq2-mooncake-agentic.yaml
@@ -3,14 +3,14 @@ name: "kimi-k3-vllm-agg-gb200-dcp16-dspark4-maxseq2-mooncake-agentic"
 
 model:
   path: "kimi-k3"
-  container: "vllm/vllm-openai:nightly-dev-arm64-cu13.0.1-75c2eef"
+  container: "vllm/vllm-openai:nightly-dev-arm64-cu13-3696c77@sha256:42e17a3c600c043c45e0623e4568cd4d5903dd76525a85f5df6ca6fa65358b12"
   precision: "fp4"
 
 identity:
   model:
     repo: "moonshotai/Kimi-K3"
   container:
-    image: "vllm/vllm-openai:nightly-dev-arm64-cu13.0.1-75c2eef"
+    image: "vllm/vllm-openai:nightly-dev-arm64-cu13-3696c77@sha256:42e17a3c600c043c45e0623e4568cd4d5903dd76525a85f5df6ca6fa65358b12"
   frameworks:
     dynamo: "ba83080ecd31c1ce918559e576d3c5bc9e092ff1"
 
@@ -40,11 +40,12 @@ frontend:
   type: dynamo
   enable_multiple_frontends: false
   args:
-    dyn-chat-processor: "vllm"
+    # vLLM moved vllm/entrypoints/openai/cli_args.py (vllm-project/vllm#53659,
+    # 2026-08-25), which Dynamo's `--dyn-chat-processor vllm` path imports, so
+    # this image runs the native Dynamo chat processor. Tool-call and reasoning
+    # parsing stay on kimi_k3 through the workers' dyn-tool-call-parser and
+    # dyn-reasoning-parser registration below.
     trust-remote-code: true
-    tool-call-parser: "kimi_k3"
-    reasoning-parser: "kimi_k3"
-    enable-auto-tool-choice: true
     router-mode: "random"
     router-session-affinity-ttl-secs: 900
   env:
diff --git a/configs/nvidia-master.yaml b/configs/nvidia-master.yaml
index 11fa1c1ce7..3a17fea7ef 100644
--- a/configs/nvidia-master.yaml
+++ b/configs/nvidia-master.yaml
@@ -8537,7 +8537,7 @@ kimik3-fp4-gb200-dynamo-vllm-agentic:
           - "CONFIG_FILE=recipes/vllm/kimi-k3/agentic/agg-gb200-dep16-throughput-vllm-simple-offload-agentic.yaml"
 # Kimi-K3 GB200 TP16/DCP16 profiles using Mooncake DRAM offload.
 kimik3-fp4-gb200-dynamo-vllm-agentic-dspark-mooncake-dcp16-agg:
-  image: vllm/vllm-openai:nightly-dev-arm64-cu13.0.1-75c2eef
+  image: vllm/vllm-openai:nightly-dev-arm64-cu13-3696c77@sha256:42e17a3c600c043c45e0623e4568cd4d5903dd76525a85f5df6ca6fa65358b12
   model: moonshotai/Kimi-K3
   model-prefix: kimik3
   runner: cluster:gb200-nv
diff --git a/perf-changelog.yaml b/perf-changelog.yaml
index 6d695e5b01..909127288a 100644
--- a/perf-changelog.yaml
+++ b/perf-changelog.yaml
@@ -7070,3 +7070,10 @@
     - "MTP draft length by concurrency: speculative-num-steps 3 (golden AL 2.49) below conc 256, and 1 (golden AL 1.79) at and above it."
     - "Trim the search space to TP8 no-offload conc [1, 4, 16], TP8 hicache conc [32, 48], and TP8 DP-attention hicache conc [128, 256]."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/2885
+
+- config-keys:
+    - kimik3-fp4-gb200-dynamo-vllm-agentic-dspark-mooncake-dcp16-agg
+  description:
+    - "Bump the vLLM image from vllm/vllm-openai:nightly-dev-arm64-cu13.0.1-75c2eef to vllm/vllm-openai:nightly-dev-arm64-cu13-3696c77 pinned by digest sha256:42e17a3c600c043c45e0623e4568cd4d5903dd76525a85f5df6ca6fa65358b12."
+    - "Run the Dynamo frontend with its native chat processor because vLLM moved vllm/entrypoints/openai/cli_args.py (vllm-project/vllm#53659), which the pinned Dynamo ba83080 vLLM chat-processor path imports; tool-call and reasoning parsing stay on kimi_k3 through the worker dyn-tool-call-parser and dyn-reasoning-parser registration."
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/2956