From the source
AI Gateway Production Index — October 2026 Every month, AI Gateway routes tens of trillions of tokens between production applications and AI labs.
That traffic gives us a view of what AI usage actually looks like in today's enterprise, and we publish it here monthly.
See the Production Index reports from July , August , and September .
Copy link to heading October 2026 summary Open-weight models now process more than seven in ten gateway tokens and account for nearly one in four dollars.
Their share of spend has more than quadrupled since June.
September’s gateway spend was about 13 times December’s, while the average price per token was 47% lower.
Almost one in three teams changed their most-used lab in September, an index record.
Nearly 70% of September’s gateway spend on Chinese models went through US-based providers, up from less than 10% in December.
Jev was the fastest-adopted model in AI Gateway history, reaching 35% of paid teams in its first two weeks, but it accounted for just 0.27% of gateway spend over that same period.
Opus 5.5 took more than one in ten gateway dollars in its own first two weeks, the largest spend share of any September model launch.
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