architectures · openai

GPT (Decoder-only Transformer)

Autoregressive decoder-only transformer with causal self-attention (Radford et al., 2018). The template for the entire GPT/LLM lineage.

Verify

What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.

Weight file SHA-256	8a20a28f94410f1723155829ad6a76a1d011aa303310530df0ad9c8dcb95bef2

Re-check this yourself → Source → Full record →

What is recorded

Publisher	openai
Origin	United States
Licence	MIT
Pulls recorded here	240,001

Elsewhere in the registry

All architectures → Browse with filters → What will run on my hardware? →

Registry record as of 2026-08-14. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.