Open AI models grow to 29% of API traffic
Vercel's July 2026 report shows that the share of calls to open-weight models in AI gateway traffic has increased significantly, while the cost per token has stabilised.
What happened?
According to Vercel's AI Gateway report for July 2026, open-weight models now account for 29% of total API traffic. This figure represents an increase from 14% in April 2026. The report also notes that the price per token has flattened during the same period, indicating a more mature market for AI models.
Key facts
| Andel öppenviktsmodeller (juli 2026) | 29% |
|---|---|
| Andel öppenviktsmodeller (april 2026) | 14% |
| Datum för rapport | Juli 2026 |
”Open-weight models surge to 29% of volume, price per token flattens”
Why it matters
The growth of open-weight models suggests increased adoption among developers and enterprises. This trend may be driven by factors such as lower costs compared to proprietary models, as well as greater flexibility and customisation options. A stabilisation of the token price indicates that the market for AI services may be moving towards standardised pricing.
Who is affected?
Developers building AI-driven applications, companies implementing AI solutions, and AI model providers are directly affected. Developers gain access to more affordable alternatives, while companies can optimise costs. Providers of proprietary models may face increased competition from open-weight alternatives.
What else you should know
The report is based on data collected from Vercel's AI Gateway, a platform that manages API calls to various AI models.
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