{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2023-0038",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "Mistral-7B-v0.1: structural change at a8a9230 (2023-09-25)",
 "details": "Mistral-7B-v0.1: architectures [\"RafaleForCausalLM\"] to [\"MistralForCausalLM\"]; a different class is instantiated from the same id; tokenizer_class \"RafaleTokenizer\" to \"MistralTokenizer\" (2023-09-25).\n\nRepository: https://huggingface.co/mistralai/Mistral-7B-v0.1. Revisions from a8a923057860b4ab5000f2c83d3c4622be458aa0 onward carry this change; a pin at c2a147dc1311256b4072885a9ea67e4bf51bd926 or earlier does not.\n\nChanged keys:\n- architectures: [\"RafaleForCausalLM\"] -> [\"MistralForCausalLM\"] (structural)\n- model_type: rafale -> mistral (structural)\n- tokenizer tokenizer_class: RafaleTokenizer -> MistralTokenizer (tokenizer)\n\nThis record says what the change does mechanically. It is not a report that anything broke for anyone.",
 "affected": [
  {
   "ranges": [
    {
     "type": "GIT",
     "repo": "https://huggingface.co/mistralai/Mistral-7B-v0.1",
     "events": [
      {
       "introduced": "a8a923057860b4ab5000f2c83d3c4622be458aa0"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "mistralai/Mistral-7B-v0.1",
    "previous_revision": "c2a147dc1311256b4072885a9ea67e4bf51bd926"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/mistralai/Mistral-7B-v0.1/commit/a8a923057860b4ab5000f2c83d3c4622be458aa0"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/mistralai/Mistral-7B-v0.1"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/mistralai/Mistral-7B-v0.1.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "mistralai/Mistral-7B-v0.1",
  "kind": "structural",
  "classes": [
   "structural",
   "tokenizer"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "architectures",
    "before": [
     "RafaleForCausalLM"
    ],
    "after": [
     "MistralForCausalLM"
    ],
    "class": "structural"
   },
   {
    "file": "config",
    "key": "model_type",
    "before": "rafale",
    "after": "mistral",
    "class": "structural"
   },
   {
    "file": "tokenizer",
    "key": "tokenizer_class",
    "before": "RafaleTokenizer",
    "after": "MistralTokenizer",
    "class": "tokenizer"
   }
  ],
  "impact": {
   "memory": false,
   "serving": true,
   "tokenizer": true,
   "licence": null
  },
  "breaking": true,
  "breaking_rule": "https://www.neurarch.com/changes-feeds/advisories/index.json#breaking_rule",
  "consequence": {
   "params": null,
   "weightsGbBf16": null,
   "trainPeakGb": null,
   "fingerprint": null,
   "context": null,
   "eos": null,
   "bos": null
  },
  "commit_date": "2023-09-25T07:52:54.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 4,
  "license": "CC-BY-4.0"
 }
}