Stemma Machinarum

Model · opt-6-7b

OPT 6.7B

Developer: Meta AI
Availability: available · checked 2026-09-24 · source

Raw record: /data/models/opt-6-7b.json

Fields

id
opt-6-7b
identifiers
huggingface
facebook/opt-6.7b
developer
Meta AI
release_date
2022-05-02partial · source
note:  arXiv v1 date of the paper.
weights_status
open
availability
available · checked 2026-09-24 · source
license
OPT-175B License Agreement: non-commercial research use only.recorded · source
note:  metaseq OPT README: 'The use of OPT model weights is subject to the Model License.'
architecture
family
decoder_only
note
Paper: trained 'to roughly match the performance and sizes of the GPT-3 class of models'; hyperparameters 'largely follow Brown et al. (2020)'. ReLU activation. The HF model card for this repo was written by Hugging Face, not Meta; Meta's own card is Appendix D of the paper.
n_layers
32recorded · source
hidden_size
4096recorded · source
n_heads
32recorded · source
vocab_size
50272recorded · source
note:  Paper: GPT-2 byte-level BPE tokenizer.
positional_encoding
learned_absoluterecorded · source
note:  Code: OPTLearnedPositionalEmbedding.
context_length
2048recorded · source
training_data
~180B tokens: RoBERTa corpus subsets (BookCorpus, Stories, updated CCNews), a subset of the Pile, and PushShift.io Reddit; tokenized with the GPT-2 BPE.recorded · source
techniques
transformer-decoder
byte-pair-encoding
primary_sources
https://arxiv.org/abs/2205.01068
https://github.com/facebookresearch/metaseq/blob/main/projects/OPT/README.md
https://github.com/facebookresearch/metaseq/blob/main/projects/OPT/MODEL_LICENSE.md
https://huggingface.co/facebook/opt-6.7b/raw/a45aa65bbeb77c1558bc99bedc6779195462dab0/config.json
record_history
date:2026-09-24 · change:created from primary sources (Phase 1 seed, batch 2) · by:wilson-pruitt + claude ·
date:2026-09-24 · change:availability checked and recorded · by:wilson-pruitt + claude ·

Parents

Training data

Design

Children

No edges recorded.

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