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Model Description

OpenCALM is a suite of decoder-only language models pre-trained on Japanese datasets, developed by CyberAgent, Inc.


import torch
from transformers import AutoModelForCausalLM, AutoTokenizer

model = AutoModelForCausalLM.from_pretrained("cyberagent/open-calm-7b", device_map="auto", torch_dtype=torch.float16)
tokenizer = AutoTokenizer.from_pretrained("cyberagent/open-calm-7b")

inputs = tokenizer("AIใซใ‚ˆใฃใฆ็ง้”ใฎๆšฎใ‚‰ใ—ใฏใ€", return_tensors="pt").to(model.device)
with torch.no_grad():
    tokens = model.generate(
output = tokenizer.decode(tokens[0], skip_special_tokens=True)

Model Details

Model Params Layers Dim Heads Dev ppl
cyberagent/open-calm-small 160M 12 768 12 19.7
cyberagent/open-calm-medium 400M 24 1024 16 13.8
cyberagent/open-calm-large 830M 24 1536 16 11.3
cyberagent/open-calm-1b 1.4B 24 2048 16 10.3
cyberagent/open-calm-3b 2.7B 32 2560 32 9.7
cyberagent/open-calm-7b 6.8B 32 4096 32 8.2
  • Developed by: CyberAgent, Inc.
  • Model type: Transformer-based Language Model
  • Language: Japanese
  • Library: GPT-NeoX
  • License: OpenCALM is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0). When using this model, please provide appropriate credit to CyberAgent, Inc.
    • Example (en): This model is a fine-tuned version of OpenCALM-XX developed by CyberAgent, Inc. The original model is released under the CC BY-SA 4.0 license, and this model is also released under the same CC BY-SA 4.0 license. For more information, please visit: https://creativecommons.org/licenses/by-sa/4.0/
    • Example (ja): ๆœฌใƒขใƒ‡ใƒซใฏใ€ๆ ชๅผไผš็คพใ‚ตใ‚คใƒใƒผใ‚จใƒผใ‚ธใ‚งใƒณใƒˆใซใ‚ˆใ‚‹OpenCALM-XXใ‚’ใƒ•ใ‚กใ‚คใƒณใƒใƒฅใƒผใƒ‹ใƒณใ‚ฐใ—ใŸใ‚‚ใฎใงใ™ใ€‚ๅ…ƒใฎใƒขใƒ‡ใƒซใฏCC BY-SA 4.0ใƒฉใ‚คใ‚ปใƒณใ‚นใฎใ‚‚ใจใงๅ…ฌ้–‹ใ•ใ‚ŒใฆใŠใ‚Šใ€ๆœฌใƒขใƒ‡ใƒซใ‚‚ๅŒใ˜ใCC BY-SA 4.0ใƒฉใ‚คใ‚ปใƒณใ‚นใงๅ…ฌ้–‹ใ—ใพใ™ใ€‚่ฉณใ—ใใฏใ“ใกใ‚‰ใ‚’ใ”่ฆงใใ ใ•ใ„: https://creativecommons.org/licenses/by-sa/4.0/

Training Dataset

  • Wikipedia (ja)
  • Common Crawl (ja)


Ryosuke Ishigami


  title = {{GPT-NeoX: Large Scale Autoregressive Language Modeling in PyTorch}},
  author = {Andonian, Alex and Anthony, Quentin and Biderman, Stella and Black, Sid and Gali, Preetham and Gao, Leo and Hallahan, Eric and Levy-Kramer, Josh and Leahy, Connor and Nestler, Lucas and Parker, Kip and Pieler, Michael and Purohit, Shivanshu and Songz, Tri and Phil, Wang and Weinbach, Samuel},
  url = {https://www.github.com/eleutherai/gpt-neox},
  doi = {10.5281/zenodo.5879544},
  month = {8},
  year = {2021},
  version = {0.0.1},
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