Tokenization & Preprocessing
botisan-ai/gpt3-tokenizer
Isomorphic JavaScript/TypeScript Tokenizer for GPT-3 and Codex Models by OpenAI.
TypeScriptMITupdated Jan 27, 2023
Online playground for OpenAPI tokenizers
$ git clone https://github.com/dqbd/tiktokenizer.gitIsomorphic JavaScript/TypeScript Tokenizer for GPT-3 and Codex Models by OpenAI.
Ready-made tokenizer library for working with GPT and tiktoken
SharpToken is a C# library for tokenizing natural language text. It's based on the tiktoken Python library and designed to be fast and accurate.
Typescript and .NET implementation of BPE tokenizer for OpenAI LLMs.
๐ Fast token estimation with 95%+ average accuracy in a 2kB bundle
Data from GitHub ยท snapshot Sep 24, 2026