Stemma Machinarum

Model · opt-125m

opt-125m

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

Raw record: /data/models/opt-125m.json

Fields

id
opt-125m
identifiers
huggingface
facebook/opt-125m
developer
Meta AI
release_date
2022-05-11partial · source
note:  HF repo creation date; may predate or postdate public release.
weights_status
open
availability
available · checked 2026-09-24 · source
license
otherpartial · source
note:  From HF card metadata (uploader-declared); confirm against the license text.
architecture
family
decoder_only
note
family read from config 'architectures': ['OPTForCausalLM'].
n_layers
12recorded · source
hidden_size
768recorded · source
n_heads
12recorded · source
vocab_size
50272recorded · source
context_length
2048recorded · source
positional_encoding
learned_absoluterecorded · source
note:  Code: OPTLearnedPositionalEmbedding. Same as opt-6-7b.
training_data
~180B tokens: RoBERTa corpus subsets, a subset of the Pile, and PushShift.io Reddit. Same recipe as the 6.7B model.recorded · source
techniques
primary_sources
https://huggingface.co/facebook/opt-125m
https://huggingface.co/facebook/opt-125m/raw/27dcfa74d334bc871f3234de431e71c6eeba5dd6/config.json
record_history
date:2026-09-24 · change:ingested as candidate from HF (facebook/opt-125m@27dcfa74d334bc871f3234de431e71c6eeba5dd6) · by:ingest_hf.py ·
date:2026-09-24 · change:preparer: developer, positional encoding, trained_on set (from paper, matches opt-6-7b) · by:claude (preparer, Sonnet 5) ·
date:2026-09-24 · change:preparer cleanup: removed 2 stale flag(s), filled training_data · by:claude (preparer, Sonnet 5) ·
date:2026-09-24 · change:reviewed and promoted from staging (1 edge(s) accepted) · by:Wilson Pruitt ·

Parents

Training data

Children

No edges recorded.

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