[
  {
    "event_type": "official_release",
    "provider_name": "OpenAI",
    "model_name": "GPT-5.6",
    "provider_country": "US",
    "title": "GPT-5.6 preview pricing update",
    "summary": "OpenAI preview material indicates GPT-5.6 entered a preview pricing window.",
    "candidate_urls": [
      "https://openai.example.com/news/gpt-5-6-pricing"
    ]
  },
  {
    "event_type": "promo_campaign",
    "provider_name": "DeepSeek",
    "model_name": "DeepSeek-V4-Flash",
    "provider_country": "CN",
    "title": "DeepSeek V4 Flash campaign",
    "summary": "Official campaign page shows a temporary promotional window for DeepSeek-V4-Flash.",
    "candidate_urls": [
      "https://deepseek.example.com/campaign/v4-flash"
    ]
  }
]