GPT-J 6B

by EleutherAI · GPT J family · released May 4, 2021
Open weights Active

Classic open 6B from the GPT-3 paper era.

This model has no first-party API. Open-weight release: self-host from published weights.

Specifications

Model typeText LLM
ArchitectureDense
Parameters6
Context window2.0K tokens
Max outputNot disclosed tokens
Knowledge cutoffApr 1, 2021
LicenseApache License 2.0
Modalities Text input Text output
Tags Small LM
End of lifeNot disclosed
Last verifiedAug 20, 2026

Benchmarks

BenchmarkScoreSrc
MMLU 27.7% -