{
  "id": "opt-30b",
  "name": "opt-30b",
  "identifiers": {
    "huggingface": [
      "facebook/opt-30b"
    ]
  },
  "developer": "Meta AI",
  "release_date": {
    "value": "2022-05-11",
    "source": "https://huggingface.co/api/models/facebook/opt-30b",
    "status": "partial",
    "note": "HF repo creation date; may predate or postdate public release."
  },
  "weights_status": "open",
  "availability": {
    "value": "available",
    "checked": "2026-09-24",
    "source": "https://huggingface.co/facebook/opt-30b"
  },
  "license": {
    "value": "other",
    "source": "https://huggingface.co/facebook/opt-30b/blob/ceea0a90ac0f6fae7c2c34bcb40477438c152546/README.md",
    "status": "partial",
    "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": {
      "value": 48,
      "source": "https://huggingface.co/facebook/opt-30b/raw/ceea0a90ac0f6fae7c2c34bcb40477438c152546/config.json",
      "status": "recorded"
    },
    "hidden_size": {
      "value": 7168,
      "source": "https://huggingface.co/facebook/opt-30b/raw/ceea0a90ac0f6fae7c2c34bcb40477438c152546/config.json",
      "status": "recorded"
    },
    "n_heads": {
      "value": 56,
      "source": "https://huggingface.co/facebook/opt-30b/raw/ceea0a90ac0f6fae7c2c34bcb40477438c152546/config.json",
      "status": "recorded"
    },
    "vocab_size": {
      "value": 50272,
      "source": "https://huggingface.co/facebook/opt-30b/raw/ceea0a90ac0f6fae7c2c34bcb40477438c152546/config.json",
      "status": "recorded"
    },
    "context_length": {
      "value": 2048,
      "source": "https://huggingface.co/facebook/opt-30b/raw/ceea0a90ac0f6fae7c2c34bcb40477438c152546/config.json",
      "status": "recorded"
    },
    "positional_encoding": {
      "value": "learned_absolute",
      "source": "https://github.com/huggingface/transformers/blob/v4.34.0/src/transformers/models/opt/modeling_opt.py",
      "status": "recorded",
      "note": "Code: OPTLearnedPositionalEmbedding. Same as opt-6-7b."
    }
  },
  "training_data": {
    "value": "~180B tokens: RoBERTa corpus subsets, a subset of the Pile, and PushShift.io Reddit. Same recipe as the 6.7B model.",
    "source": "https://arxiv.org/abs/2205.01068",
    "status": "recorded"
  },
  "techniques": [],
  "primary_sources": [
    "https://huggingface.co/facebook/opt-30b",
    "https://huggingface.co/facebook/opt-30b/raw/ceea0a90ac0f6fae7c2c34bcb40477438c152546/config.json"
  ],
  "record_history": [
    {
      "date": "2026-09-24",
      "change": "ingested as candidate from HF (facebook/opt-30b@ceea0a90ac0f6fae7c2c34bcb40477438c152546)",
      "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"
    }
  ]
}