# Vercel — Open-weight models surge to 29% of volume, price per token flattens

- Company: Vercel (vercel.com)
- Announced: 2026-07-13T07:00:00+00:00
- Category: not stated
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://vercel.com/blog/ai-gateway-production-index-july-2026
- Record: https://forck.live/items/20687-open-weight-models-surge-to-29-of-volume-price-per-token-flattens
- Subject: v0 / AI SDK / AI Gateway
- Models affected: DeepSeek, GLM 5.2, GPT Image, Nano Banana

Vercel's AI Gateway Production Index for July 2026 reports that gateway token volume grew 29% month over month and spend grew 27%, while the price per token was flat after rising almost 20% in May. Open-weight models ran 29% of gateway tokens, up from 11% in April, on under 4% of spend. DeepSeek reached 22.6% of token volume, in third place and less than two points behind Google, and GLM 5.2 broke into the gateway's top models by volume two weeks after release.

## Evidence

Verbatim from https://vercel.com/blog/ai-gateway-production-index-july-2026:

> Open-weight models ran 29% of gateway tokens, up from 11% in April, on under 4% of spend. DeepSeek reached 22.6% of token volume, in third place and less than two points behind Google, and GLM 5.2 broke into the gateway's top models by volume two weeks after release.

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