{
  "id": "tulu-2-7b",
  "name": "Tulu 2 7B",
  "identifiers": {
    "huggingface": [
      "allenai/tulu-2-7b"
    ]
  },
  "developer": "Allen Institute for AI (Ai2) and University of Washington (paper authors Ivison, Wang, et al.)",
  "release_date": {
    "value": "2023-11-13",
    "source": "https://huggingface.co/api/models/allenai/tulu-2-7b",
    "status": "partial",
    "note": "HF repo creation date (2023-11-13). The paper (arXiv 2311.10702) is dated 2023-11-17 to 2023-11-20 (v2 read: 20 Nov 2023)."
  },
  "weights_status": "open",
  "availability": {
    "value": "available",
    "checked": "2026-09-24",
    "source": "https://huggingface.co/allenai/tulu-2-7b"
  },
  "license": {
    "value": "AI2 ImpACT Low-risk license (card text); base weights also subject to the Llama 2 Community License",
    "source": "https://huggingface.co/allenai/tulu-2-7b/blob/3c6e328ae91fabdd0daf09de16887de9615c1f66/README.md",
    "status": "partial",
    "note": "Card text: 'License: AI2 ImpACT Low-risk license' (link allenai.org/impact-license). The card metadata has no license field, and the ImpACT page renders by JavaScript so its text could not be read this session. The card does not mention the Llama 2 license; the base is Llama 2."
  },
  "architecture": {
    "family": "decoder_only",
    "note": "family read from config 'architectures': ['LlamaForCausalLM'].",
    "n_layers": {
      "value": 32,
      "source": "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json",
      "status": "recorded"
    },
    "hidden_size": {
      "value": 4096,
      "source": "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json",
      "status": "recorded"
    },
    "n_heads": {
      "value": 32,
      "source": "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json",
      "status": "recorded"
    },
    "vocab_size": {
      "value": 32000,
      "source": "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json",
      "status": "recorded"
    },
    "context_length": {
      "value": 8192,
      "source": "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json",
      "status": "recorded",
      "note": "Config value. The Tulu 2 paper (arXiv 2311.10702) trains at max sequence length 8,192; Llama 2 base is 4,096."
    },
    "n_kv_heads": {
      "value": 32,
      "source": "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json",
      "status": "recorded"
    },
    "positional_encoding": {
      "value": "rotary (RoPE)",
      "source": "https://arxiv.org/abs/2307.09288",
      "status": "recorded",
      "note": "Architecture unchanged from llama-2-7b (fine-tune, not a structural change)."
    }
  },
  "training_data": {
    "value": "Tulu V2 mix (allenai/tulu-v2-sft-mixture): a blend of human-written and synthetic instruction data, including distilled GPT-4 and ChatGPT-derived subsets; SFT only.",
    "source": "https://huggingface.co/allenai/tulu-2-7b/blob/3c6e328ae91fabdd0daf09de16887de9615c1f66/README.md",
    "status": "recorded",
    "note": "Card: 'fine-tuned on a filtered and preprocessed of the Tulu V2 mix dataset, which contains a diverse range of human created instructions and synthetic dialogues generated primarily by other LLMs.' Composition is in the tulu-v2-sft-mixture record."
  },
  "techniques": [],
  "primary_sources": [
    "https://huggingface.co/allenai/tulu-2-7b",
    "https://huggingface.co/allenai/tulu-2-7b/raw/3c6e328ae91fabdd0daf09de16887de9615c1f66/config.json"
  ],
  "record_history": [
    {
      "date": "2026-09-24",
      "change": "ingested as candidate from HF (allenai/tulu-2-7b@3c6e328ae91fabdd0daf09de16887de9615c1f66)",
      "by": "ingest_hf.py"
    },
    {
      "date": "2026-09-24",
      "change": "preparer: developer, license (partial), training data, positional encoding (propagated), 2 edges; sources: card, arXiv 2311.10702",
      "by": "claude (preparer, Sonnet 5)"
    },
    {
      "date": "2026-09-24",
      "change": "reviewed and promoted from staging (2 edge(s) accepted)",
      "by": "Wilson Pruitt"
    }
  ]
}