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Single Model Tokenizer

Text Tokenizer

Explore single-model token counter and token calculator metrics with Byte-Pair Encoding (BPE), token segmentation, character-to-token ratios, and raw byte mappings across OpenAI tokenizer, GPT tokenizer, Gemma tokenizer, and Meta Llama tokenizer.

Direct Answer: What is the Text Tokenizer Workbench?

The Text Tokenizer is an interactive developer tool operating as a live token counter and token calculator. Test the OpenAI tokenizer (Tiktoken o200k_base / cl100k_base), GPT tokenizer, Google Gemma tokenizer, and Meta Llama tokenizer (Llama 3.1 & 3.2), alongside DeepSeek and Qwen models. Inspect token IDs, token boundaries with alternating colors, character-to-token compression ratios, and raw UTF-8 byte sequences.

Try Sample:
Tokens 0
Characters 0
Words 0
Bytes (UTF-8) 0

Input Prompt

Token Segments

Token segments will appear here as you type…
Token ID Sequence
Numeric token IDs…
Developer Actions & Share