{
  "id": "openchat-3-5",
  "name": "OpenChat 3.5",
  "identifiers": {
    "huggingface": [
      "openchat/openchat_3.5"
    ]
  },
  "developer": "OpenChat team (paper: Guan Wang, Sijie Cheng, Xianyuan Zhan, Xiangang Li, Sen Song, Yang Liu; Tsinghua University, Shanghai AI Laboratory, 01.AI); HF uploader imone",
  "release_date": {
    "value": "2023-11-01",
    "source": "https://github.com/imoneoi/openchat/blob/master/README.md",
    "status": "recorded",
    "note": "OpenChat GitHub README changelog: '[2023/11/01] We released the OpenChat-3.5-7B model'. HF repo created 2023-10-30."
  },
  "weights_status": "open",
  "availability": {
    "value": "available",
    "checked": "2026-09-24",
    "source": "https://huggingface.co/openchat/openchat_3.5"
  },
  "license": {
    "value": "Apache-2.0",
    "source": "https://huggingface.co/openchat/openchat_3.5/blob/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/README.md",
    "status": "recorded",
    "note": "Card text: 'Our OpenChat 3.5 code and models are distributed under the Apache License 2.0.' (also card metadata). License file text not separately read."
  },
  "architecture": {
    "family": "decoder_only",
    "note": "family read from config 'architectures': ['MistralForCausalLM'].",
    "n_layers": {
      "value": 32,
      "source": "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json",
      "status": "recorded"
    },
    "hidden_size": {
      "value": 4096,
      "source": "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json",
      "status": "recorded"
    },
    "n_heads": {
      "value": 32,
      "source": "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json",
      "status": "recorded"
    },
    "vocab_size": {
      "value": 32002,
      "source": "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json",
      "status": "recorded",
      "note": "32,002 vs 32,000 for Mistral-7B-v0.1: the config's `_name_or_path` is imone/Mistral_7B_with_EOT_token, a Mistral 7B variant with an added end-of-turn token."
    },
    "context_length": {
      "value": 8192,
      "source": "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json",
      "status": "recorded"
    },
    "n_kv_heads": {
      "value": 8,
      "source": "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json",
      "status": "recorded"
    },
    "positional_encoding": {
      "value": "rotary (RoPE)",
      "source": "https://github.com/mistralai/mistral-src/blob/c18d5b9166ffa16ce58827346ed56a28d2876e7e/one_file_ref.py",
      "status": "recorded",
      "note": "Architecture unchanged from mistral-7b-v0-1 (fine-tune, not a structural change)."
    }
  },
  "training_data": {
    "value": "A collection of publicly available instruction data with a custom processing pipeline, trained with C-RLFT (class-conditioned data sources, no preference labels). Notable subsets named on the card: OpenChat ShareGPT, OpenOrca with FLAN answers, Capybara (Pure-Dove, Verified-Camel, LessWrong-Amplify-Instruct), GOAT, Glaive, MetaMathQA, MathInstruct, OpenAssistant top-1.",
    "source": "https://huggingface.co/openchat/openchat_3.5/blob/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/README.md",
    "status": "partial",
    "note": "Card 'Dataset Details': 'trained with C-RLFT on a collection of publicly available high-quality instruction data ... notable subsets included here'. The list is not stated to be complete."
  },
  "techniques": [],
  "primary_sources": [
    "https://huggingface.co/openchat/openchat_3.5",
    "https://huggingface.co/openchat/openchat_3.5/raw/0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b/config.json"
  ],
  "record_history": [
    {
      "date": "2026-09-24",
      "change": "ingested as candidate from HF (openchat/openchat_3.5@0fc98e324280bc4bf5d2c30ecf7b97b84fb8a19b)",
      "by": "ingest_hf.py"
    },
    {
      "date": "2026-09-24",
      "change": "preparer: developer, release date (README), license, training data (partial), positional encoding (propagated), 5 edge entries (fine_tuned_from mistral, trained_on openorca; rest rejected); sources: card, config.json, arXiv 2309.11235, OpenChat README",
      "by": "claude (preparer, Sonnet 5)"
    },
    {
      "date": "2026-09-24",
      "change": "reviewed and promoted from staging (2 edge(s) accepted)",
      "by": "Wilson Pruitt"
    }
  ]
}