What is the latest version of tiktoken?

The latest version of tiktoken is 0.14.0, published August 2026.

What license is tiktoken under?

tiktoken has no resolvable license in its published metadata. FOSSA's full scan detects licenses that declared metadata misses.

Does tiktoken have known vulnerabilities?

No known CVEs are recorded against published versions of tiktoken.

How do I install tiktoken?

Install tiktoken with pip install tiktoken.

How do I generate an SBOM that includes tiktoken?

FOSSA's SBOM generator produces SPDX or CycloneDX output for a codebase that includes tiktoken.

tiktoken — PyPI package · v0.14.0

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Description

tiktoken is a fast BPE tokeniser for use with OpenAI's models.

Licenses

Declared license

License: unresolved in metadata

Transitive dependency licenses

This package's dependency tree includes MPL-2.0, which may require you to publish changes to that component when you distribute.

License	Category	Dependencies
MIT	Permissive	2 of 6
Apache-2.0	Permissive	1 of 6
BSD-3-Clause	Permissive	1 of 6
MPL-2.0	Weak copyleft	1 of 6
Apache-2.0 AND CNRI-Python	Unknown	1 of 6

This view is derived from declared package metadata, and a full FOSSA scan detects licenses that declared metadata misses. Scan free.

License and vulnerability information on this page is derived from public package metadata and public advisory databases. It is not legal advice, and it reflects the top-level declared license only. Verify the license and terms of any software for your own needs.

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Vulnerabilities

No known CVEs across published versions

Version history

Published versions
Version	Published
0.14.0	Aug 2026
0.13.0	May 2026
0.12.0	Oct 2025
0.11.0	Aug 2025
0.10.0	Aug 2025
0.9.0	Feb 2025
0.8.0	Oct 2024
0.7.0	May 2024
0.6.0	Feb 2024
0.5.2	Dec 2023
0.5.1	Sep 2023
0.5.0	Sep 2023
0.4.0	May 2023
0.3.3	Mar 2023
0.3.2	Mar 2023
0.3.1	Mar 2023
0.3.0	Mar 2023
0.2.0	Feb 2023
0.1.2	Jan 2023
0.1.1	Dec 2022

pip install tiktoken resolves to the 0.x line today. Older major lines may still receive fixes.

Dependencies

Direct dependencies

2 direct dependencies, 6 in total including transitive. Licenses across the full tree are summarized under Licenses.

Direct dependencies
Package	Version range	License
regex		Apache-2.0 AND CNRI-Python
requests		Apache-2.0

Dependents

litellm
sglang
langchain-openai

Based on what each package declares in its published metadata. The dependencies your build actually installs can differ, and a FOSSA scan of your project resolves the full tree.

Popularity

Downloads last month: 274.9M
Known dependents in this corpus: 12,234
GitHub stars: 19k
OpenSSF score: 4.2 / 10

FAQ

What is the latest version of tiktoken?: The latest version of tiktoken is 0.14.0, published August 2026.
What license is tiktoken under?: tiktoken has no resolvable license in its published metadata. FOSSA's full scan detects licenses that declared metadata misses.
Does tiktoken have known vulnerabilities?: No known CVEs are recorded against published versions of tiktoken.
How do I install tiktoken?: Install tiktoken with pip install tiktoken.
How do I generate an SBOM that includes tiktoken?: FOSSA's SBOM generator produces SPDX or CycloneDX output for a codebase that includes tiktoken. Generate an SPDX or CycloneDX SBOM free.