AI Research Atlas

Baichuan 2 (7B and 13B)

Baichuan · 6 September 2023

Open 7B and 13B bilingual models trained from scratch on 2.6T tokens, matching or beating similar-size open models, strong in medicine and law.

Followed Baichuan-7B (2023-06-13) and Baichuan-13B (2023-07-08). The paper (arXiv 2309.10305, 2023-09-19) promises all pretraining checkpoints.

Date
Wednesday, 6 September 2023
Lab
Baichuan
Kind
open-weights
Access
open weights (restricted license)

Figures

MeasureValueMeasured by
Pretraining tokens2.6Tcompany

Release day 2023-09-06 is from memory; HF repos created 2023-08-29 UTC and the paper is 2023-09-19. Treat the day as unconfirmed.

Sources

  1. arxiv.org/abs/2309.10305
  2. huggingface.co/baichuan-inc/Baichuan2-13B-Chat

This record was partly confirmed: some claims could not be checked on 6 October 2026. How we check