{
  "id": 6434331,
  "title": "DeepSeek launching v4.1 flash cheaper and more capable than v4 pro",
  "url": "https://urgent.news/2026/09/09/deepseek-launching-v4-1-flash-cheaper-and-more-capable-than-v4-pro-6434331",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-09T11:19:26.000Z",
  "source": {
    "name": "Hacker News Best",
    "slug": "hacker-news-best",
    "url": "https://news.ycombinator.com/item?id=49624603"
  },
  "original_language": "en",
  "account": "DeepSeek is set to launch its V4.1 Flash model on September 10, 2026, according to official announcements. Extensive testing by DeepSeek has shown that the V4.1 Flash model outperforms the V4 Pro across several key metrics such as performance, cost, speed, and task completion time. Upon the official launch of the V4.1 Flash model, all requests to the V4 Pro model will automatically be sent to the V4.1 Flash model and will be billed at the Flash model's price. If users experience any issues while comparing V4 Pro and V4.1 Flash, they are encouraged to provide feedback.\n\nThe pricing for the Flash series will be adjusted starting at 12:00 Beijing Time on September 10, 2026. During off-peak hours, the cost per input cache hit is $0.003, while input cache misses and outputs will cost $0.15 and $0.6 respectively. During peak hours, these prices will be double the off-peak rates. Users are advised to plan their usage accordingly. More information can be found at the provided comments URL.",
  "summary": "DSeek plans to officially release the V4.1 Flash model around September 10, 2026 (Beijing Time). After extensive internal and external testing, V4.1 Flash has comprehensively surpassed V4 Pro across all key metrics, including performance, cost, speed, and task completion time. In keeping with our commitment to user responsibility, following the official launch of V4.1 Flash and prior to the…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "Hacker News",
        "title": "DeepSeek launching v4.1 flash cheaper and more capable than v4 pro",
        "url": "https://urgent.news/2026/09/09/deepseek-launching-v4-1-flash-cheaper-and-more-capable-than-v4-pro",
        "published": "2026-09-09T11:19:26.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}