{
  "schema": "csoai.model-identity-probe/0.1",
  "provider": "deepseek",
  "probed_at": "2026-09-14T06:37:07Z",
  "event_under_observation": "DeepSeek: V4-Pro API traffic rerouted to V4.1-Flash from 2026-09-14T04:00:00Z (provider announcement)",
  "attests": "what the API reported it served for each requested model id at probed_at — a receipt, not a grade, not a ranking, not a quality claim",
  "prompt_sha256": "b09ba2887de05738a0eeb7877fe39d9b582d68fb23e368e5ff01d32898f4233e",
  "models_listed": {
    "http": 200,
    "ids": [
      "deepseek-flash",
      "deepseek-v4-pro"
    ]
  },
  "probes": [
    {
      "requested_model": "deepseek-v4-pro",
      "http": 402,
      "latency_ms": 692,
      "state": "REFUSED_BALANCE",
      "error": "Insufficient Balance"
    },
    {
      "requested_model": "deepseek-flash",
      "http": 402,
      "latency_ms": 721,
      "state": "REFUSED_BALANCE",
      "error": "Insufficient Balance"
    },
    {
      "requested_model": "deepseek-chat",
      "http": 402,
      "latency_ms": 708,
      "state": "REFUSED_BALANCE",
      "error": "Insufficient Balance"
    },
    {
      "requested_model": "deepseek-reasoner",
      "http": 402,
      "latency_ms": 725,
      "state": "REFUSED_BALANCE",
      "error": "Insufficient Balance"
    }
  ],
  "announcement_source": {
    "url": "https://www.deepseek.com/en/news/deepseek-v4-1-flash/",
    "publisher": "DeepSeek",
    "published_date": "2026-09-10",
    "claim": "Starting at 04:00 UTC on Sept 14, 2026, deepseek-v4-pro requests route to V4.1-Flash until V4.1-Pro launches.",
    "scope": "provider announcement; the probes below independently record only HTTP outcomes and do not verify served-model identity because every call was refused for balance"
  }
}