{
  "id": "openhermes-2-5",
  "name": "OpenHermes 2.5",
  "identifiers": {
    "huggingface": [
      "teknium/OpenHermes-2.5"
    ]
  },
  "builder": "Teknium (individual)",
  "release_date": {
    "value": "2023-11-12",
    "source": "https://huggingface.co/api/datasets/teknium/OpenHermes-2.5",
    "status": "partial",
    "note": "HF dataset repo creation date, not the builder's own release announcement."
  },
  "availability": {
    "value": "available",
    "checked": "2026-09-24",
    "source": "https://huggingface.co/datasets/teknium/OpenHermes-2.5"
  },
  "content": {
    "value": "Card: 'a continuation of the Open Hermes 1 dataset ... reaching 1M, primarily synthetically generated instruction and chat samples', compiled from many open datasets and custom synthetic sets (Airoboros 2.2, CamelAI, LMSYS Chatbot Arena GPT-4 only, Evol Instruct, GPT4-LLM, GPTeacher, MetaMath, SlimOrca, Platypus, ShareGPT GPT-4 only, and others). The card's tags are: synthetic, GPT-4, Distillation, Compilation.",
    "source": "https://huggingface.co/datasets/teknium/OpenHermes-2.5",
    "status": "recorded",
    "note": "One source on the card is listed as 'I have lost the source page for this dataset'."
  },
  "primary_sources": [
    "https://huggingface.co/datasets/teknium/OpenHermes-2.5"
  ],
  "record_history": [
    {
      "date": "2026-09-24",
      "change": "created from primary sources (tranche 2 dataset records)",
      "by": "wilson-pruitt + claude"
    }
  ]
}