diff --git a/fbgemm_gpu/experimental/gen_ai/bench/quantize_bench.py b/fbgemm_gpu/experimental/gen_ai/bench/quantize_bench.py
index f625a044d4..91cea3b158 100644
--- a/fbgemm_gpu/experimental/gen_ai/bench/quantize_bench.py
+++ b/fbgemm_gpu/experimental/gen_ai/bench/quantize_bench.py
@@ -31,29 +31,61 @@ def set_amd_env_vars() -> None:
     os.environ["PYTORCH_TUNABLEOP_MAX_WARMUP_DURATION_MS"] = "30"
 
 
-def get_llama_shapes() -> List[Tuple[int, int, int]]:
+def get_llama_shapes() -> List[Tuple[int, int, int, int]]:
     # Helper function that returns a list of shapes relevant to llama.
 
     llama_shapes = []
     for M in [1, 16, 32, 64, 96, 128, 16384]:
         # Add shapes for llama 70B
         llama_shapes += [
-            (M, 1280, 8192),
-            (M, 8192, 1024),
-            (M, 7168, 8192),
-            (M, 8192, 3584),
+            (1, M, 1280, 8192),
+            (1, M, 8192, 1024),
+            (1, M, 7168, 8192),
+            (1, M, 8192, 3584),
         ]
         # Add shapes for llama 405B
         llama_shapes += [
-            (M, 13312, 6656),
-            (M, 13312, 16384),
-            (M, 16384, 6656),
-            (M, 16384, 16384),
+            (1, M, 13312, 6656),
+            (1, M, 13312, 16384),
+            (1, M, 16384, 6656),
+            (1, M, 16384, 16384),
         ]
 
     return llama_shapes
 
 
+def get_ldm_shapes() -> List[Tuple[int, int, int, int]]:
+    # Helper function that returns a list of shapes relevant to ldm.
+    return [
+        (1, 1536, 3584, 3584),
+        (1, 8192, 9728, 3584),
+        (1, 8192, 3584, 9728),
+        (1, 8192, 3584, 3584),
+        (1, 4096, 3584, 3584),
+        (1, 768, 3584, 3584),
+        (1, 4096, 9728, 3584),
+        (1, 4096, 3584, 9728),
+        (1, 7200, 3584, 3584),
+        (1, 7200, 9728, 3584),
+        (1, 7200, 3584, 9728),
+        (1, 3600, 3584, 3584),
+        (1, 3600, 9728, 3584),
+        (1, 3600, 3584, 9728),
+        (1, 1536, 4096, 4096),
+        (1, 3600, 4096, 4096),
+        (1, 3600, 11008, 4096),
+        (1, 3600, 4096, 11008),
+        (1, 4096, 4096, 4096),
+        (1, 4096, 11008, 4096),
+        (1, 4096, 4096, 11008),
+        (1, 32768, 128, 8192),
+        (1, 32768, 8192, 1024),
+        (1, 32768, 8192, 3072),
+        (1, 32768, 3072, 8192),
+        (1, 32768, 1024, 8192),
+    ]
+
+
 def benchmark_grouped(
     quantize_ops: List[QuantizeOpBase],
     b: List[int],
@@ -297,6 +329,8 @@ def main(args: Any):
             B = [int(b) for b in args.B.strip().split(",")]
         if args.use_llama_shapes:
             MNK = get_llama_shapes()
+        elif args.use_ldm_shapes:
+            MNK = get_ldm_shapes()
         else:
             if args.M is None:
                 M = [1, 4, 8, 16, 32, 64, 128, 2048, 4096, 8192, 16384]
@@ -419,6 +453,12 @@ def invoke_main() -> None:
         action="store_true",
         help="If set, benchmark using fixed shapes relevant to llama workloads.",
     )
+    parser.add_argument(
+        "--use_ldm_shapes",
+        default=False,
+        action="store_true",
+        help="If set, benchmark using fixed shapes relevant to ldm workloads.",
+    )
 
     args = parser.parse_args()
     main(args)