Open AI Models Rise to 29% of API Traffic
Vercel's July 2026 report reveals a significant increase in the share of open-weight models within AI gateway traffic, while token costs have stabilised.
What happened?
According to Vercel's AI Gateway report for July 2026, open-weight models now constitute 29% of total API traffic. This figure represents an increase from 14% in April 2026. The report also observes that the price per token has plateaued during the same period, indicating a maturing 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. The stabilisation of token pricing indicates that the AI services market may be moving towards standardised pricing structures.
Who is affected?
Developers building AI-driven applications, enterprises implementing AI solutions, and AI model providers are directly affected. Developers gain access to more affordable options, while enterprises 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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