niieani/gpt-tokenizer
The fastest JavaScript BPE Tokenizer Encoder Decoder for OpenAI's GPT models (gpt-5, gpt-o*, gpt-4o, etc.). Port of OpenAI's tiktoken with additional features.
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Verified
752 stars and 2,342,845 monthly downloads. Used by 13 other packages. Available on npm.
Maintenance
10 / 25
Adoption
25 / 25
Maturity
25 / 25
Community
16 / 25
Stars
752
Forks
55
Language
TypeScript
License
MIT
Category
Last pushed
Feb 10, 2026
Monthly downloads
2,342,845
Commits (30d)
0
Reverse dependents
13
Get this data via API
curl "https://pt-edge.onrender.com/api/v1/quality/llm-tools/niieani/gpt-tokenizer"
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