Skip to content

Navigation Menu

Appearance settings

Explore
By company size
By use case
By industry
View all solutions
Topics
- AI
- DevOps
- Security
- Software Development
- View all
Explore
- GitHub Sponsors
  Fund open source developers
- The ReadME Project
  GitHub community articles
Repositories
- Enterprise platform
  AI-powered developer platform
Available add-ons
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

openai / tiktoken Public

Notifications You must be signed in to change notification settings
Fork 1.1k
Star 14.8k

Code
Issues 43
Pull requests 30
Actions
Projects
Security
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Projects
Security
Insights

Add support for gpt-4.1 and gpt-4.5 model variants to encoding maps#407

Open

TaylorN15 wants to merge 2 commits intoopenai:mainopenai/tiktoken:mainfrom

TaylorN15:feature/gpt-4.x-encodingTaylorN15/tiktoken:feature/gpt-4.x-encodingCopy head branch name to clipboard

Conversation Commits2 (2)Checks Files changed

Commits

Commits on Jun 5, 2025

Update model encoding mappings for new models
TaylorN15
committed
Update changelog
TaylorN15
committed

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Docs
Contact

You can’t perform that action at this time.