diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/agg-variants.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/agg-variants.yaml
index 8453d5d8a0..baefd1fd34 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/agg-variants.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/agg-variants.yaml
@@ -42,7 +42,7 @@ base:
         SGLANG_HICACHE_DEBUG_LOG: '1'
         SGLANG_HICACHE_DEBUG_SAMPLE_RATE: '16384'
         SGLANG_MOE_NVFP4_DISPATCH: '1'
-        SGLANG_NVFP4_CKPT_FP8_NEXTN_MOE: '1'
+        SGLANG_NVFP4_CKPT_FP8_NEXTN_MOE: '0'
         SGLANG_CLIP_MAX_NEW_TOKENS_ESTIMATION: '8'
         PIP_BREAK_SYSTEM_PACKAGES: '1'
       args:
diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/disagg-variants.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/disagg-variants.yaml
index 02a84e30e1..d1c5719dc5 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/disagg-variants.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/glm5.2/sglang/b200-fp4/agentx/disagg-variants.yaml
@@ -111,7 +111,7 @@ base:
         SGLANG_ENABLE_TP_MEMORY_INBALANCE_CHECK: '0'
         SGLANG_DEEPEP_NUM_MAX_DISPATCH_TOKENS_PER_RANK: '512'
         SGLANG_MOE_NVFP4_DISPATCH: '1'
-        SGLANG_NVFP4_CKPT_FP8_NEXTN_MOE: '1'
+        SGLANG_NVFP4_CKPT_FP8_NEXTN_MOE: '0'
         SGLANG_DEFAULT_THINKING: '1'
         SGLANG_CLIP_MAX_NEW_TOKENS_ESTIMATION: '8'
         SGLANG_REASONING_EFFORT: max
diff --git a/inferencex-e2e/perf-changelog.yaml b/inferencex-e2e/perf-changelog.yaml
index e0ed44048b..c2430c0b2e 100644
--- a/inferencex-e2e/perf-changelog.yaml
+++ b/inferencex-e2e/perf-changelog.yaml
@@ -9235,3 +9235,13 @@
     - "Add DSV4-Pro GB200 Dynamo+SGLang AgentX: TP8 aggregate C1/C4, 1P1D DEP8/DEP16 C64/C128, 1P1D DEP16/DEP32 C256, and 2P1D DEP16/DEP32 C768/C1024/C1280."
     - "Use SGLang nightly-dev-20260916-c9a8fba9, DSpark block size 6, and HiCache; omit enable-w4a4-mxfp4-megamoe while retaining the MegaMoE all-to-all backend and FP4 indexer."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/3629
+
+- config-keys:
+    - glm5.2-fp4-b200-dynamo-sglang-agentic-agg
+    - glm5.2-fp4-b200-dynamo-sglang-agentic-disagg
+  scenario-type:
+    - agentic-coding
+  description:
+    - "Disable FP8 conversion of the GLM-5.2 NextN/MTP draft MoE on B200 AgentX so the draft runs at its shipped precision; images, topology, workload and acceptance are unchanged."
+    - "关闭 B200 GLM-5.2 AgentX 对 NextN/MTP draft MoE 的 FP8 转换，使 draft 保持原始发布精度；镜像、拓扑、工作负载和验收不变。"
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/3400