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GPT J 6B by EleutherAI

By EleutherAI · 246404 downloads

GPT J 6B is an open-source language model by EleutherAI. Features: 6b LLM, VRAM: 24.2GB, License: apache-2.0, LLM Explorer Score: 0.15, Arc: 41.4, HellaSwag: 67.5, MMLU: 26.8, GSM8K: 3.

  Arxiv:2101.00027   Arxiv:2104.09864   Dataset:eleutherai/pile   En   Endpoints compatible   Gptj   Jax   Pytorch   Region:us   Tf
Model Card on HF πŸ€—: https://huggingface.co/EleutherAI/gpt-j-6b 

GPT J 6B Parameters and Internals

Model Type 
Autoregressive, Transformer, Causal Language Model
Use Cases 
Areas:
Research
Primary Use Cases:
Generating text from prompts
Limitations:
Not suitable for use without fine-tuning and supervision for downstream tasks., Not fit for human-facing interactions without moderation.
Considerations:
Users should evaluate risks with using the model in particular contexts.
Additional Notes 
The model requires fine-tuning to improve its use in specific applications such as chatbots.
Supported Languages 
English (High)
Training Details 
Data Sources:
EleutherAI's the Pile dataset
Methodology:
Autoregressive language modeling with cross-entropy loss.
Context Length:
2048
Hardware Used:
TPU v3-256 pod
Model Architecture:
The model consists of 28 layers. Each layer has one feedforward block and one self-attention block. The model has a dimension of 4096 and a feedforward dimension of 16384.
Responsible Ai Considerations 
Fairness:
The Pile dataset, used for training, contains biases which might reflect in the model's output.
Transparency:
The model is intended for research and transparency in experimental settings.
Accountability:
Users must supervise the use of the model to ensure suitable output.
Mitigation Strategies:
It is recommended to have human curation or filtering of outputs before deployment.
Input Output 
Input Format:
Text
Accepted Modalities:
Text
Output Format:
Generated Text
Performance Tips:
Ensure monitoring for quality and undesired outputs.
LLM NameGPT J 6B
Repository πŸ€—https://huggingface.co/EleutherAI/gpt-j-6b 
Model Size6b
Required VRAM24.2 GB
Updated2026-07-21
MaintainerEleutherAI
Model Typegptj
Model Files  24.2 GB
Supported Languagesen
Model ArchitectureGPTJForCausalLM
Licenseapache-2.0
Model Max Length2048
Transformers Version4.18.0.dev0
Tokenizer ClassGPT2Tokenizer
Beginning of Sentence Token<|endoftext|>
End of Sentence Token<|endoftext|>
Unk Token<|endoftext|>
Vocabulary Size50400
Activation Functiongelu_new
Errorsreplace

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