Create app.py

app.py

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+import gradio as gr
+import tiktoken
+
+encoding = tiktoken.encoding_for_model("gpt-3.5-turbo")
+def num_tokens_from_string(string: str) -> int:
+    encoding = tiktoken.get_encoding("cl100k_base")
+    num_tokens = len(encoding.encode(string))
+    return num_tokens
+
+gr.Interface(
+    fn=num_tokens_from_string,
+    inputs=gr.inputs.Textbox(),
+    outputs="text",
+    live=True,
+    title="GPT-3.5 Token Counter",
+    description="Enter text and see the token usage.",
+    article="To use the GPT-3.5/GPT-4 token counter, simply enter your text in the input box above.",
+).launch(share=True)