{
 "product": "YFarmX Model Identity",
 "method": "tokenizer fingerprinting v1-50",
 "updated": "2026-08-22",
 "record_url": "https://yfarmx.com/ai/models/openrouter/fusion/",
 "citation": "YFarmX Model Identity: OpenRouter: Fusion (openrouter/fusion) evidence record. https://yfarmx.com/ai/models/openrouter/fusion/",
 "record": {
  "id": "openrouter/fusion",
  "slug": "openrouter/fusion",
  "name": "OpenRouter: Fusion",
  "lab": "OpenRouter",
  "alias": false,
  "variant_of": null,
  "created": 1781371647,
  "new_since_20_aug": false,
  "description": "Fusion turns your prompt into a small multi-model deliberation. A panel of expert models (see below) analyzes your prompt in parallel with web search and web fetch enabled, then a...",
  "declared": {
   "tokenizer": "Router",
   "modality": "text->text",
   "input": [
    "text"
   ],
   "context": 1000000,
   "max_output": null,
   "pricing": {
    "prompt": "-1",
    "completion": "-1"
   },
   "params": [],
   "defaults": {
    "temperature": null,
    "top_p": null,
    "top_k": null,
    "frequency_penalty": null,
    "presence_penalty": null,
    "repetition_penalty": null
   },
   "reasoning": null,
   "hugging_face": null
  },
  "measurement": {
   "status": "excluded:router"
  },
  "note": null,
  "api_signature": "api_cfa77d47",
  "api_matches": [],
  "identity": {
   "kind": "lineage",
   "family": null,
   "confidence": "unknown",
   "confidence_reason": null,
   "basis": [],
   "contradiction": null,
   "declared_vs_measured": "unmeasurable"
  },
  "comparator": null,
  "neighbours": []
 }
}