diff --git a/pyproject.toml b/pyproject.toml
index 49f2d033..3129330b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,6 +49,9 @@ cli = [
     "pyyaml>=6.0.1",
     "httpx>=0.27.0",
 ]
+scripts = [
+    "datasets>=3.5.0"
+]
 
 [project.urls]
 "Homepage" = "https://github.com/open-thought/reasoning-gym"
diff --git a/scripts/hf_dataset/example_hf_dataset_config.yaml b/scripts/hf_dataset/example_hf_dataset_config.yaml
new file mode 100644
index 00000000..7388c038
--- /dev/null
+++ b/scripts/hf_dataset/example_hf_dataset_config.yaml
@@ -0,0 +1,44 @@
+# Example configuration for generating Reasoning Gym datasets for Hugging Face
+# Used with save_hf_dataset.py
+
+reasoning_gym:
+  # Total size of the dataset to generate
+  dataset_size: 20000
+
+  # Datasets to include in the composite dataset
+  datasets:
+    # Example algorithmic tasks
+    spell_backward:
+      # Weight of this dataset in the composite (weights should sum to 1.0)
+      weight: 0.33
+      # Dataset-specific configuration
+      config:
+        min_word_len: 3
+        max_word_len: 10
+
+    letter_jumble:
+      weight: 0.34
+      config:
+        min_word_len: 1  # Minimum word length
+        max_word_len: 50  # Maximum word length
+        min_words: 3  # Minimum words per task
+        max_words: 40
+
+    word_sorting:
+      weight: 0.33
+      config:
+        min_words: 3
+        max_words: 10
+        min_word_length: 3
+        max_word_length: 12
+
+# Hugging Face upload settings
+huggingface:
+  # Repository ID (required when using this config file directly)
+  repo_id: "username/reasoning-gym-dataset"
+
+  # Whether to make the repository private
+  private: false
+
+  # Dataset split name
+  split: "train"
diff --git a/scripts/hf_dataset/save_hf_dataset.py b/scripts/hf_dataset/save_hf_dataset.py
new file mode 100644
index 00000000..641b9784
--- /dev/null
+++ b/scripts/hf_dataset/save_hf_dataset.py
@@ -0,0 +1,232 @@
+#!/usr/bin/env python3
+"""
+Script to generate Reasoning Gym datasets and save them to the Hugging Face Hub.
+"""
+
+import argparse
+from typing import Dict, List, Optional
+
+import yaml
+from datasets import Dataset
+from tqdm import tqdm
+
+from reasoning_gym.composite import DatasetSpec
+from reasoning_gym.factory import DATASETS, create_dataset
+
+
+def generate_dataset(
+    dataset_names: List[str],
+    dataset_size: int = 20000,
+    seed: int = 42,
+    weights: Optional[Dict[str, float]] = None,
+    configs: Optional[Dict[str, Dict]] = None,
+) -> Dataset:
+    """
+    Generate a dataset from the specified Reasoning Gym datasets.
+
+    Args:
+        dataset_names: List of dataset names to include
+        dataset_size: Total size of the dataset to generate
+        seed: Random seed for dataset generation
+        weights: Optional dictionary mapping dataset names to weights
+        configs: Optional dictionary mapping dataset names to configurations
+
+    Returns:
+        A Hugging Face Dataset object
+    """
+    # Validate dataset names
+    for name in dataset_names:
+        if name not in DATASETS:
+            raise ValueError(f"Dataset '{name}' not found. Available datasets: {sorted(DATASETS.keys())}")
+
+    # Set default weights if not provided
+    if weights is None:
+        equal_weight = 1.0 / len(dataset_names)
+        weights = {name: equal_weight for name in dataset_names}
+    else:
+        # Validate weights
+        for name in dataset_names:
+            if name not in weights:
+                weights[name] = 0.0
+                print(f"Warning: No weight provided for {name}, setting to 0.0")
+
+    # Set default configs if not provided
+    if configs is None:
+        configs = {name: {} for name in dataset_names}
+    else:
+        # Add empty configs for missing datasets
+        for name in dataset_names:
+            if name not in configs:
+                configs[name] = {}
+
+    # Create dataset specs
+    dataset_specs = [DatasetSpec(name=name, weight=weights[name], config=configs[name]) for name in dataset_names]
+
+    # Create composite dataset
+    data_source = create_dataset("composite", seed=seed, size=dataset_size, datasets=dataset_specs)
+
+    # Generate all examples
+    examples = []
+    for idx in tqdm(range(dataset_size), desc="Generating examples"):
+        example = data_source[idx]
+        examples.append(example)
+
+    # Convert to HF Dataset
+    hf_dataset = Dataset.from_list(examples)
+    return hf_dataset
+
+
+def save_to_hub(
+    dataset: Dataset,
+    repo_id: str,
+    token: Optional[str] = None,
+    private: bool = False,
+    commit_message: str = "Upload reasoning_gym dataset",
+    split: Optional[str] = None,
+) -> str:
+    """
+    Save the dataset to the Hugging Face Hub.
+
+    Args:
+        dataset: HF Dataset to save
+        repo_id: Hugging Face repo ID (e.g., "username/dataset-name")
+        token: HF API token
+        private: Whether the repository should be private
+        commit_message: Commit message
+        split: Dataset split name
+
+    Returns:
+        URL of the uploaded dataset
+    """
+    # Push to the hub
+    dataset.push_to_hub(
+        repo_id,
+        token=token,
+        private=private,
+        commit_message=commit_message,
+    )
+
+    print(f"Dataset pushed to https://huggingface.co/datasets/{repo_id}")
+    return f"https://huggingface.co/datasets/{repo_id}"
+
+
+def load_config(config_path: str) -> dict:
+    """
+    Load dataset configuration from a YAML file.
+
+    Args:
+        config_path: Path to the YAML configuration file
+
+    Returns:
+        Dictionary containing the configuration
+    """
+    with open(config_path, "r") as f:
+        config = yaml.safe_load(f)
+
+    return config
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Generate and upload Reasoning Gym datasets to HF Hub")
+    parser.add_argument("--dataset", type=str, required=False, help="Dataset names (comma-separated list)")
+    parser.add_argument("--config", type=str, required=False, help="Path to dataset configuration YAML file")
+    parser.add_argument("--size", type=int, default=20000, help="Total dataset size")
+    parser.add_argument("--seed", type=int, default=42, help="Random seed")
+    parser.add_argument("--repo-id", type=str, help="Hugging Face repository ID (e.g., 'username/dataset-name')")
+    parser.add_argument("--private", action="store_true", help="Make the HF repository private")
+    parser.add_argument(
+        "--split", type=str, choices=["train", "test", "validation"], default="train", help="Dataset split name"
+    )
+
+    # First parse args to check for config file
+    args, unknown = parser.parse_known_args()
+
+    # If config specified, load it to handle repo_id
+    repo_id_from_config = None
+    if args.config:
+        config = load_config(args.config)
+        if "huggingface" in config and "repo_id" in config["huggingface"]:
+            repo_id_from_config = config["huggingface"]["repo_id"]
+
+    # Re-parse with defaults if needed
+    if repo_id_from_config:
+        parser.set_defaults(repo_id=repo_id_from_config)
+
+    args = parser.parse_args()
+
+    # Validate repo_id is provided
+    if not args.repo_id:
+        parser.error(
+            "--repo-id is required. Provide it via command line or in the config file under huggingface.repo_id"
+        )
+
+    # Load configuration
+    dataset_names = []
+    weights = {}
+    configs = {}
+
+    # Load from config file if provided
+    if args.config:
+        config = load_config(args.config)
+        if "reasoning_gym" in config:
+            rg_config = config["reasoning_gym"]
+            if "datasets" in rg_config:
+                for name, ds_config in rg_config["datasets"].items():
+                    dataset_names.append(name)
+                    weights[name] = ds_config.get("weight", 1.0 / len(rg_config["datasets"]))
+                    configs[name] = ds_config.get("config", {})
+
+            # Get dataset size from config if not explicitly provided
+            if "dataset_size" in rg_config and args.size == 20000:  # Only use if default size
+                args.size = rg_config["dataset_size"]
+
+        # Check for HF settings in config
+        if "huggingface" in config:
+            hf_config = config["huggingface"]
+            if "private" in hf_config:
+                args.private = hf_config["private"]
+            if "split" in hf_config and args.split == "train":  # Only override if using default
+                args.split = hf_config["split"]
+
+    # Override with command line arguments if provided
+    if args.dataset:
+        dataset_names = [name.strip() for name in args.dataset.split(",")]
+        # Reset weights if datasets are provided
+        equal_weight = 1.0 / len(dataset_names)
+        weights = {name: equal_weight for name in dataset_names}
+
+    # Validate that we have dataset names
+    if not dataset_names:
+        parser.error("No datasets specified. Use --dataset or --config to specify datasets.")
+
+    print(f"Generating dataset with {len(dataset_names)} datasets: {', '.join(dataset_names)}")
+    print(f"Dataset size: {args.size}")
+    print(f"Dataset seed: {args.seed}")
+    print(f"Repository ID: {args.repo_id}")
+
+    # Generate the dataset
+    dataset = generate_dataset(
+        dataset_names=dataset_names,
+        dataset_size=args.size,
+        seed=args.seed,
+        weights=weights,
+        configs=configs,
+    )
+
+    # Save to hub with specified split
+    save_to_hub(
+        dataset=dataset,
+        repo_id=args.repo_id,
+        private=args.private,
+        commit_message=f"Upload reasoning_gym dataset with {len(dataset_names)} datasets: {', '.join(dataset_names)}",
+        split=args.split,
+    )
+
+    print("Done!")
+
+
+if __name__ == "__main__":
+    # Example usage:
+    # python save_hf_dataset.py --config example_hf_dataset_config.yaml
+    # python save_hf_dataset.py --dataset "number_sorting,spell_backward,word_sorting" --repo-id "username/reasoning-gym-dataset"
+    main()