diff --git a/benchmarks/benchmark_throughput.py b/benchmarks/benchmark_throughput.py
index e4f0d2011133a..1b41f99ce9dbb 100644
--- a/benchmarks/benchmark_throughput.py
+++ b/benchmarks/benchmark_throughput.py
@@ -9,6 +9,7 @@
 import torch
 import uvloop
 from PIL import Image
+from PIL import Image
 from tqdm import tqdm
 from transformers import (AutoModelForCausalLM, AutoTokenizer,
                           PreTrainedTokenizerBase)
@@ -60,6 +61,33 @@ def _get_prompt_for_image_model(question: str, *, model: str) -> str:
     raise ValueError(f"Unsupported model {model}")
 
 
+def sample_requests(tokenizer: PreTrainedTokenizerBase,
+                    args: argparse.Namespace) -> List[SampleRequest]:
+    dataset_path: str = args.dataset
+    num_requests: int = args.num_prompts
+    fixed_output_len: Optional[int] = args.output_len
+    model: str = args.model
+def _get_prompt_for_image_model(question: str, *, model: str) -> str:
+    """Prepend and append special tokens around the question to form a prompt.
+
+    Args:
+        question: The input question text to wrap with special tokens
+        model: The name of the model being used, to determine which special
+            tokens to add
+
+    Returns:
+        The formatted prompt string with appropriate special tokens for the
+            model
+
+    Raises:
+        ValueError: If an unsupported model name is provided
+    """
+    model = model.lower()
+    if "pixtral" in model:
+        return f"<s>[INST]{question}\n[IMG][/INST]"
+    raise ValueError(f"Unsupported model {model}")
+
+
 def sample_requests(tokenizer: PreTrainedTokenizerBase,
                     args: argparse.Namespace) -> List[SampleRequest]:
     dataset_path: str = args.dataset
@@ -79,6 +107,7 @@ def sample_requests(tokenizer: PreTrainedTokenizerBase,
 
     # Filter out sequences that are too long or too short
     filtered_dataset: List[SampleRequest] = []
+    for data in dataset:
     for data in dataset:
         if len(filtered_dataset) == num_requests:
             break
@@ -87,6 +116,25 @@ def sample_requests(tokenizer: PreTrainedTokenizerBase,
         prompt = data["conversations"][0]["value"]
         completion = data["conversations"][1]["value"]
 
+        multi_modal_data: Optional[MultiModalDataDict] = None
+        if "image" in data:
+            multi_modal_data = multi_modal_data or {}
+            image_path = data["image"]
+            # TODO(vllm-project/vllm/issues/9778): Support multiple images.
+            assert isinstance(image_path,
+                              str), "Only support single image input"
+            try:
+                multi_modal_data["image"] = Image.open(image_path).convert(
+                    "RGB")
+            except FileNotFoundError:
+                # Ignore datapoint where asset is missing
+                continue
+            prompt = _get_prompt_for_image_model(question=prompt, model=model)
+
+        # Only keep the first two turns of each conversation.
+        prompt = data["conversations"][0]["value"]
+        completion = data["conversations"][1]["value"]
+
         multi_modal_data: Optional[MultiModalDataDict] = None
         if "image" in data:
             multi_modal_data = multi_modal_data or {}
@@ -119,6 +167,8 @@ def sample_requests(tokenizer: PreTrainedTokenizerBase,
                           prompt_len=prompt_len,
                           expected_output_len=output_len,
                           multi_modal_data=multi_modal_data))
+                          expected_output_len=output_len,
+                          multi_modal_data=multi_modal_data))
 
     return filtered_dataset
 
@@ -135,6 +185,9 @@ def run_vllm(
     prompts: List[TextPrompt] = []
     sampling_params: List[SamplingParams] = []
     for request in requests:
+        prompts.append(
+            TextPrompt(prompt=request.prompt,
+                       multi_modal_data=request.multi_modal_data))
         prompts.append(
             TextPrompt(prompt=request.prompt,
                        multi_modal_data=request.multi_modal_data))
@@ -186,6 +239,9 @@ async def run_vllm_async(
         prompts: List[TextPrompt] = []
         sampling_params: List[SamplingParams] = []
         for request in requests:
+            prompts.append(
+                TextPrompt(prompt=request.prompt,
+                           multi_modal_data=request.multi_modal_data))
             prompts.append(
                 TextPrompt(prompt=request.prompt,
                            multi_modal_data=request.multi_modal_data))
@@ -313,7 +369,10 @@ def main(args: argparse.Namespace):
         ]
     else:
         requests = sample_requests(tokenizer, args)
+        requests = sample_requests(tokenizer, args)
 
+    is_multi_modal = any(request.multi_modal_data is not None
+                         for request in requests)
     is_multi_modal = any(request.multi_modal_data is not None
                          for request in requests)
     if args.backend == "vllm":
@@ -342,11 +401,9 @@ def main(args: argparse.Namespace):
     total_output_tokens = sum(request.expected_output_len
                               for request in requests)
     if is_multi_modal:
-        print(
-            "\033[91mWARNING\033[0m: Multi-modal request detected. The "
-            "following metrics is not accurate because image tokens are not "
-            "counted. See vllm-project/vllm/issues/9778 for details."
-        )
+        print("\033[91mWARNING\033[0m: Multi-modal request detected. The "
+              "following metrics is not accurate because image tokens are not "
+              "counted. See vllm-project/vllm/issues/9778 for details.")
         # TODO(vllm-project/vllm/issues/9778): Count molti-modal token length.
     print(f"Throughput: {len(requests) / elapsed_time:.2f} requests/s, "
           f"{total_num_tokens / elapsed_time:.2f} total tokens/s, "