v4.1.0
gpt-tokenizer
A pure JavaScript BPE tokenizer with model metadata and pricing for GPT-5, GPT-4o, o-series, and other OpenAI models
BPE encoder decoder tokenizer GPT GPT-2 GPT-3 GPT-3.5 GPT-4 GPT-4.1 GPT-4o GPT-5 o1 o3 o4 gpt-oss tiktoken tokens LLM token counting API pricing NLP Natural Language Processing Text Generation OpenAI Machine Learning ml
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Dependencies (0)
Zero dependencies
Dev Dependencies (10)
Package Info
License
MIT
Last Publish
October 18, 2026
Unpacked Size
26.76 MB
Total Files
1562
Issue Tracker
Report a bugMaintainers (1)
niieani npm@invent.life