REPOGEO REPORT · LITE
niieani/gpt-tokenizer
Default branch main · commit b2eb3d69 · scanned 6/5/2026, 12:56:48 PM
GitHub: 807 stars · 56 forks
Action plan is what to do next — copy-pasteable changes prioritized by impact. Category visibility is the real GEO test: when a user asks an AI a brand-free question that should surface niieani/gpt-tokenizer, does the AI actually recommend you — or your competitors? Objective checks verify the metadata signals AI engines weight first. Self-mention check detects whether AI even knows you exist by name.
Action plan — copy-paste fixes
3 prioritized changes generated by gemini-2.5-flash. Mark items done after you ship the fix.
- highreadme#1Reposition README's opening to emphasize JavaScript
Why:
CURRENT`gpt-tokenizer` is a Token Byte Pair Encoder/Decoder supporting all OpenAI's models (including GPT-5, GPT-4o, o1, o3, o4, GPT-4.1 and older models like GPT-3.5, GPT-4). It's the [_fastest, smallest and lowest footprint_](#benchmarks) GPT tokenizer available for all JavaScript environments and is written in TypeScript.
COPY-PASTE FIXThe `gpt-tokenizer` is the **fastest JavaScript BPE Tokenizer Encoder/Decoder** for OpenAI's GPT models (including GPT-5, GPT-4o, o1, o3, o4, GPT-4.1 and older models like GPT-3.5, GPT-4). Written in TypeScript, it's a port of OpenAI's `tiktoken` with additional features, optimized for all JavaScript environments.
- mediumtopics#2Add `javascript` and `typescript` to topics
Why:
CURRENTbpe, decoder, encoder, gpt-2, gpt-3, gpt-4, gpt-4o, gpt-5, gpt-o1, machine-learning, openai, tokenizer
COPY-PASTE FIXbpe, decoder, encoder, gpt-2, gpt-3, gpt-4, gpt-4o, gpt-5, gpt-o1, javascript, machine-learning, openai, tokenizer, typescript
- mediumreadme#3Add a concise comparison to `tiktoken` in the README
Why:
COPY-PASTE FIX### Why `gpt-tokenizer` over `tiktoken`? While `gpt-tokenizer` is a port of OpenAI's `tiktoken`, it is a **pure JavaScript/TypeScript implementation**, offering superior performance and additional features like `encodeChat` specifically for JavaScript environments, without any C/Rust dependencies.
Category GEO backends resolved for this scan: google/gemini-2.5-flash, deepseek/deepseek-v4-flash
Category visibility — the real GEO test
Brand-free queries asked to google/gemini-2.5-flash. Did AI recommend you, or someone else?
Same questions for every model — switch tabs to compare answers and rankings.
- huggingface/tokenizers · recommended 1×
- openai/tiktoken · recommended 1×
- xenova/transformers.js · recommended 1×
- js-tiktoken · recommended 1×
- bpe-js · recommended 1×
- CATEGORY QUERYWhat's an efficient JavaScript library for tokenizing text for large language models?you: not recommendedAI recommended (in order):
- tokenizers (huggingface/tokenizers)
- tiktoken (openai/tiktoken)
- @xenova/transformers (xenova/transformers.js)
- js-tiktoken
- bpe-js
AI recommended 5 alternatives but never named niieani/gpt-tokenizer. This is the gap to close.
Show full AI answer
- CATEGORY QUERYHow can I quickly tokenize chat conversations for AI models in a JavaScript environment?you: not recommendedAI recommended (in order):
- tiktoken-js
- @xenova/transformers
- tokenizer-js
- compromise
- natural
AI recommended 5 alternatives but never named niieani/gpt-tokenizer. This is the gap to close.
Show full AI answer
Objective checks
Rule-based audits of metadata signals AI engines weight most.
- Metadata completenesspass
- README presencepass
Self-mention check
Does AI even know your repo exists when asked about it directly?
- Compared to common alternatives in this category, what is the core differentiator of niieani/gpt-tokenizer?passAI did not name niieani/gpt-tokenizer — likely talking about a different project
AI answers can be confidently wrong. Read for accuracy: does it match your actual tech stack, audience, and differentiator?
- If a team adopts niieani/gpt-tokenizer in production, what risks or prerequisites should they evaluate first?passAI named niieani/gpt-tokenizer explicitly
AI answers can be confidently wrong. Read for accuracy: does it match your actual tech stack, audience, and differentiator?
- In one sentence, what problem does the repo niieani/gpt-tokenizer solve, and who is the primary audience?passAI named niieani/gpt-tokenizer explicitly
AI answers can be confidently wrong. Read for accuracy: does it match your actual tech stack, audience, and differentiator?
Embed your GEO score
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niieani/gpt-tokenizer — Lite scans stay free; this card itemizes Pro deep limits vs Lite.
- Deep reports10 / month
- Brand-free category queries5 vs 2 in Lite
- Prioritized action items8 vs 3 in Lite