{
  "id": 8246484,
  "title": "Open-weight models now handle a majority of tokens on Vercel’s AI Gateway. But Anthropic still takes 64% of the spend.",
  "url": "https://urgent.news/2026/09/18/open-weight-models-now-handle-a-majority-of-tokens-on-vercels-ai",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-18T12:42:58.000Z",
  "source": {
    "name": "The New Stack",
    "slug": "the-new-stack",
    "url": "https://thenewstack.io/open-weight-anthropic-spend/"
  },
  "original_language": "en",
  "account": "Open-weight models have surpassed 50% of token volume on Vercel's AI Gateway for the first time, according to the company's September report covering August activity. This marks a significant shift in the production AI landscape. Previously, open-weight models accounted for just 7% of tokens in December 2025, rising to 13% by April. Vercel CEO Guillermo Rauch declared August 22 as a \"record day\" for open-weight token share, which reached 62% that month. However, despite handling 56% of tokens, open-weight models only account for 14 cents of every dollar spent through the gateway. Anthropic's models remain the most expensive, capturing 64 cents of every dollar spent in August, with a consistent share above 61% since December 2025. While open-weight models are gaining share in token volume, Anthropic maintains a strong grip on spending, with customers shifting within Anthropic's own model lineup toward more cost-effective options like Opus 5.",
  "summary": "The trend is clear: open-weight models are taking an increasingly large bite out of production AI usage. On Monday, The The post Open-weight models now handle a majority of tokens on Vercel’s AI Gateway. But Anthropic still takes 64% of the spend. appeared first on The New Stack .",
  "key_points": [
    "Open-weight models handle majority of tokens (56%) on Vercel’s AI Gateway",
    "Anthropic models capture 64 cents of every dollar spent, highest cost",
    "Open-weight share in token volume surpasses 50%, record day on August 22"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "RTE News",
        "title": "AI systems moving towards building themselves - Anthropic",
        "url": "https://urgent.news/2026/09/18/ai-systems-moving-towards-building-themselves-anthropic",
        "published": "2026-09-18T09:42:39.000Z"
      }
    ]
  },
  "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."
}