--- title: Open-weight models now handle a majority of tokens on... description: Vercel's September AI Gateway report shows open-weight models handled 56% of all tokens routed through the gateway in August, the first time they've crossed... canonical: https://daily.dev/posts/open-weight-models-now-handle-a-majority-of-tokens-on-vercel-s-ai-gateway-but-anthropic-still-takes-3l2uwb92d twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Open-weight models now handle a majority of tokens on Vercel’s AI Gateway. But Anthropic still takes 64% of the spend. | daily.dev og:description: Vercel's September AI Gateway report shows open-weight models handled 56% of all tokens routed through the gateway in August, the first time they've crossed... og:url: https://daily.dev/posts/open-weight-models-now-handle-a-majority-of-tokens-on-vercel-s-ai-gateway-but-anthropic-still-takes-3l2uwb92d og:image: https://api.daily.dev/og/posts/3l2Uwb92D.png og:image:alt: Open-weight models now handle a majority of tokens on Vercel’s AI Gateway. But Anthropic still takes 64% of the spend. og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Open-weight models now handle a majority of tokens on Vercel’s AI Gateway. But Anthropic still takes 64% of the spend. **[The New Stack](https://daily.dev/sources/newstack)** · 5 min read · 0 upvotes · 0 comments ## Summary Vercel's September AI Gateway report shows open-weight models handled 56% of all tokens routed through the gateway in August, the first time they've crossed the majority mark, up from just 7% in December 2025. Despite this token-share dominance, open-weight models captured only 14 cents of every dollar spent, while Anthropic's models took 64 cents of every dollar despite far lower token share, a figure that has never dropped below 61% since December 2025. Within Anthropic's own lineup, Fable 5 spend fell from 13.2% to 4.9% while cheaper Opus 5 rose to 22.5%, with most switched usage staying inside Anthropic rather than leaving. Z.ai's GLM-5.3-Flash tripled GLM-5.2's daily volume within five days of launch, while Google's Gemini 3 Flash lost most of its volume to competitors, dropping Google's overall gateway token share from 30% to 5%. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What percentage of tokens on Vercel's AI Gateway are now handled by open-weight models? Open-weight models handled 56% of all tokens routed through Vercel's AI Gateway in August, the first time they accounted for a majority of monthly volume. Their share rose from just 7% in December 2025 to 13% by April, then to 36% in July, before crossing 50% in August, showing a consistent month-over-month climb in production usage. _Track how open-weight model adoption is shifting production workloads on daily.dev._ ### Why does Anthropic still dominate AI spend even though open-weight models process more tokens? Anthropic captured 64 cents of every dollar spent through Vercel's AI Gateway in August despite open-weight models handling 56% of tokens, because open-weight models from providers like DeepSeek, Moonshot AI and Z.ai are generally much cheaper to run per token. Open-weight models accounted for only 14 cents of every dollar spent. Anthropic's spend share has never fallen below 61% since December 2025. _Compare token volume against real spend before picking a model provider, a distinction daily.dev readers debate often._ ### How did customer usage shift between Anthropic's Fable 5 and Opus 5 models? Fable 5 fell from 13.2% of total Vercel AI Gateway spend in July to 4.9% in August, while cheaper Opus 5 climbed to 22.5%. Ninety percent of teams using Fable reduced usage, with more shifting to Opus 5 than any other model, since Opus handles similar workloads at roughly half the price, letting Anthropic retain the dollars even as customers moved to the cheaper option. _Watching model migrations inside a single lab helps teams budget for their next LLM switch, something daily.dev surfaces well._ --- Tags: [#open-source](https://daily.dev/tags/open-source), [#anthropic](https://daily.dev/tags/anthropic), [#deepseek](https://daily.dev/tags/deepseek) [View this post on daily.dev](https://daily.dev/posts/open-weight-models-now-handle-a-majority-of-tokens-on-vercel-s-ai-gateway-but-anthropic-still-takes-3l2uwb92d) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Open-weight models now handle a majority of tokens on Vercel’s AI Gateway. 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But Anthropic still takes 64% of the spend."}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/open-weight-models-now-handle-a-majority-of-tokens-on-vercel-s-ai-gateway-but-anthropic-still-takes-3l2uwb92d#faq","mainEntity":[{"@type":"Question","name":"What percentage of tokens on Vercel's AI Gateway are now handled by open-weight models?","acceptedAnswer":{"@type":"Answer","text":"Open-weight models handled 56% of all tokens routed through Vercel's AI Gateway in August, the first time they accounted for a majority of monthly volume. Their share rose from just 7% in December 2025 to 13% by April, then to 36% in July, before crossing 50% in August, showing a consistent month-over-month climb in production usage. Track how open-weight model adoption is shifting production workloads on daily.dev."}},{"@type":"Question","name":"Why does Anthropic still dominate AI spend even though open-weight models process more tokens?","acceptedAnswer":{"@type":"Answer","text":"Anthropic captured 64 cents of every dollar spent through Vercel's AI Gateway in August despite open-weight models handling 56% of tokens, because open-weight models from providers like DeepSeek, Moonshot AI and Z.ai are generally much cheaper to run per token. Open-weight models accounted for only 14 cents of every dollar spent. Anthropic's spend share has never fallen below 61% since December 2025. 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