Live
AI models

Japanese-GPT-1B

Parameters
1.3B
Published
Jan 19, 2022

Japanese-GPT-1B is an AI model developed by rinna (Japan), first published in January 2022. It works in the language domain, on tasks such as language modeling/generation.

Epoch AI has no training-compute estimate for this model. The model has 1,300,000,000 parameters.

Access: Open weights (unrestricted). Its weights are openly available. Epoch AI rates the confidence of this record as confident.

Full record
Organization
rinna
Country of organization
Japan
Domain
Language
Task
Language modeling/generation
Parameters
1,300,000,000
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Epoch confidence
Confident
More from rinna
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
← All ai models