local-tokenizer does not support gemini-3-pro-preview

[fasfsfgs]

Environment details

• Programming language: python
• OS: macOS Tahoe 26.1
• Language runtime version: 3.12.12
• Package version: 1.52.0

Steps to reproduce

Try to count tokens for gemini-3-pro-preview with local-tokenizer:

from google.genai.local_tokenizer import LocalTokenizer
from google.genai.types import CountTokensResult

tokenizer = LocalTokenizer(model_name="gemini-3-pro-preview")
result: CountTokensResult = tokenizer.count_tokens("test")

ValueError: Model gemini-3-pro-preview is not supported. Supported models: gemini-2.5-pro, gemini-2.5-flash, gemini-2.5-flash-lite, gemini-2.0-flash, gemini-2.0-flash-lite, gemini-2.5-pro-preview-06-05, gemini-2.5-pro-preview-05-06, gemini-2.5-pro-exp-03-25, gemini-live-2.5-flash, gemini-2.5-flash-preview-05-20, gemini-2.5-flash-preview-04-17, gemini-2.5-flash-lite-preview-06-17, gemini-2.0-flash-001, gemini-2.0-flash-lite-001.

[janasangeetha]

Hey @fasfsfgs
Thank you for bringing this to our attention. We truly appreciate you flagging this issue, we will file a bug internally.

[janasangeetha]

#48f8256

[github-actions]

This issue has been marked as stale because it has been open for 7 days with no activity. It will be closed in 2 days if no further activity occurs.