GPT-J-6B

EleutherAI · 2021 · LLM · USA

A to Z

A · App: No
B · Built By: EleutherAI
C · CEO & Politics: Community-led (no CEO)
D · Date: 2021
E · Expertise: Intermediate+
F · Free Tier: Yes
G · Generates: Text only
H · Deployment: Local (open weights)
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Ben Wang (Creator), Aran Komatsuzaki (Co-author)
L · Languages: English-primary
M · Model Type: LLM
N · Safety Issues: None reported
O · Open Source: Yes — open weights
P · Pricing: Free (open weights, Apache 2.0)
Q · AIDb Rating: [UNKNOWN]
R · What Makes It Special: EleutherAI's GPT-J 6B, a 6-billion-parameter English language model (28 layers, 2,048-token context, rotary position embeddings) trained with Ben Wang's Mesh Transformer JAX on 402 billion tokens of the Pile on a TPU v3-256 pod; EleutherAI says it is not meant to be deployed without fine-tuning, supervision or moderation.
S · Stock / Status: Non-profit
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: Downloadable
X · X Handle: @AiEleuther
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Open-weights LLM from EleutherAI, released 2021.

Data completeness 85% · Last verified 2026-05-12 · Primary source ↗

“GPT-J-6B.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/gpt-j-6b.html