diff --git a/ai/ai21labs/v0/python/AI21labsTokenizer.py b/ai/ai21labs/v0/python/AI21labsTokenizer.py
index 8ffbfc3cb..306b76da8 100644
--- a/ai/ai21labs/v0/python/AI21labsTokenizer.py
+++ b/ai/ai21labs/v0/python/AI21labsTokenizer.py
@@ -1 +1,58 @@
-from ai21 import tokenizers
+from argparse import ArgumentParser
+from ai21_tokenizer import Tokenizer, PreTrainedTokenizers
+from enum import Enum
+import json
+
+
+class AI21labsModel(str, Enum):
+    mini = "jamba-1.5-mini"
+    large = "jamba-1.5-large"
+    instruct = "jamba-instruct-preview"
+
+
+def create_parser():
+    parser = ArgumentParser(description='AI21labs Tokenizer')
+    parser.add_argument('--text', type=str, required=True,
+                        help='The text to tokenize')
+    parser.add_argument('--model', type=AI21labsModel,
+                        choices=list(AI21labsModel), default=AI21labsModel.large)
+    return parser
+
+
+def cli():
+    p = create_parser()
+    args = p.parse_args()
+    return args.text, args.model
+
+
+def main():
+    text, model = cli()
+
+    if model == AI21labsModel.mini:
+        tokenizer = Tokenizer.get_tokenizer(
+            PreTrainedTokenizers.JAMBA_1_5_MINI_TOKENIZER)
+
+    elif model == AI21labsModel.large:
+        tokenizer = Tokenizer.get_tokenizer(
+            PreTrainedTokenizers.JAMBA_1_5_LARGE_TOKENIZER)
+
+    elif model == AI21labsModel.instruct:
+        tokenizer = Tokenizer.get_tokenizer(
+            PreTrainedTokenizers.JAMBA_INSTRUCT_TOKENIZER)
+
+    else:
+        raise ValueError(f"Unknown model: {model}")
+
+    encoded_text = tokenizer.encode(text)
+
+    result = {
+        "text": text,
+        "model": model,
+        "token_count": len(encoded_text),
+    }
+
+    print(json.dumps(result))
+
+
+if __name__ == '__main__':
+    main()