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npm · #3947 most downloaded on npm
JavaScript port of tiktoken
Last release 1 years ago
09 Aug 2025
Ships fairly regularly
a new release about every 2 months
Most releases are documented
notes for 17 of 22 stable releases
Nothing withdrawn
no release was ever pulled
3 years old
22 releases · first in 2023
One column per quarter.
### Patch Changes - 5775a4f: Add gpt-5 models
35f522f: add o3, o4, gpt-4.1 and missing specialised / pro models
77ba758: Update guidance on lite
5f92348: Add missing historic models, fix incorrect tokenizers for old instruct models
5982def: feat: add o3-mini, missing o1 model
919eb6b: Add o1-2024-12-17 model
53bd14a: Add o1 class of models
74e7870: Add missing rank files for js-tiktoken
4796f27: Add support for gpt-4o, gpt-4o-mini, text-embedding-3-small and text-embedding-3-large
### Patch Changes - 791cf62: Add gpt-4o support
f386b28: Add new GPT-4-turbo models
d54f04c: Fix invalid model when requesting an instruct model
43e99b4: Add support for new models, instruct models
### Patch Changes - bd3a360: Add new GPT models
Nothing published for this version
Fix loading of WASM file when not in node_modules directory
Fix loading of WASM file when not in node_modules directory
Add support for Next 13 appDir
Add support for Next 13 appDir
Nothing published for this version
Add support for gpt-4 models #25 (thanks to @christophwitzko)
gpt-4 models #25 (thanks to @christophwitzko)Nothing published for this version
Nothing published for this version
Nothing published for this version
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