{
 "schema_version": "1.7.0",
 "id": "x_NXMC-2024-0018",
 "modified": "2026-10-19T02:33:38.839Z",
 "published": "2026-10-18T09:00:52.565Z",
 "summary": "InternVL2-1B: structural change at b5e11b0 (2024-12-06)",
 "details": "InternVL2-1B: derived parameters 798.6M to 934.6M (+136.0M, +0.27 GB of bf16 weights); tie_word_embeddings true to false; the output head is no longer shared with the embedding (2024-12-06).\n\nRepository: https://huggingface.co/OpenGVLab/InternVL2-1B. Revisions from b5e11b0270f697b3dcb33a21ee641bd49ff4b042 onward carry this change; a pin at 8d827904f96b944be1d03fccd82e51a000c10d1d or earlier does not.\n\nChanged keys:\n- tie_word_embeddings: true -> false (structural)\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/OpenGVLab/InternVL2-1B",
     "events": [
      {
       "introduced": "b5e11b0270f697b3dcb33a21ee641bd49ff4b042"
      }
     ]
    }
   ],
   "database_specific": {
    "model": "OpenGVLab/InternVL2-1B",
    "previous_revision": "8d827904f96b944be1d03fccd82e51a000c10d1d"
   }
  }
 ],
 "references": [
  {
   "type": "INTRODUCED",
   "url": "https://huggingface.co/OpenGVLab/InternVL2-1B/commit/b5e11b0270f697b3dcb33a21ee641bd49ff4b042"
  },
  {
   "type": "PACKAGE",
   "url": "https://huggingface.co/OpenGVLab/InternVL2-1B"
  },
  {
   "type": "WEB",
   "url": "https://www.neurarch.com/changes-feeds/models/OpenGVLab/InternVL2-1B.html"
  }
 ],
 "database_specific": {
  "source": "neurarch model change tracker",
  "model": "OpenGVLab/InternVL2-1B",
  "kind": "structural",
  "classes": [
   "structural"
  ],
  "changed_keys": [
   {
    "file": "config",
    "key": "tie_word_embeddings",
    "before": true,
    "after": false,
    "class": "structural"
   }
  ],
  "impact": {
   "memory": true,
   "serving": true,
   "tokenizer": false,
   "licence": null
  },
  "breaking": true,
  "breaking_rule": "https://www.neurarch.com/changes-feeds/advisories/index.json#breaking_rule",
  "consequence": {
   "params": {
    "before": 798583808,
    "after": 934619239
   },
   "weightsGbBf16": {
    "before": 1.597,
    "after": 1.869
   },
   "trainPeakGb": {
    "before": 159.748,
    "after": 248.672
   },
   "fingerprint": {
    "before": "54aab4e0",
    "after": "023b735d"
   },
   "context": null,
   "eos": null,
   "bos": null
  },
  "commit_date": "2024-12-06T14:33:27.000Z",
  "detected_at": "2026-10-18T09:00:52.565Z",
  "detected_by": "backfill",
  "days_since_first_commit": 151,
  "license": "CC-BY-4.0"
 }
}