AI Gateway Production Index
The AI Gateway Production Index report reveals insights into the competitive landscape of AI models based on production workloads. Anthropic leads in spending, while Google dominates in token volume, indicating a split in the market based on different use cases. The report highlights the growing share of OpenAI and the increasing traction of open-source models, showcasing a diverse and fragmented provider landscape.
- ▪Anthropic leads in spend with 61% in April 2026, while Google leads in token volume with 38%.
- ▪OpenAI's spend share tripled in April after recent model updates, indicating rapid growth.
- ▪The report is based on seven months of production traffic from AI Gateway, involving over 200K unique teams.
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8 min readCopy URLMay 12, 2026Ask which AI model is best, and the answer changes before the ink dries. That's what happens in an industry where new models are released weekly. Every benchmark measures a different race, and every race crowns its own winner, but Vercel has a unique view of the industry through production workloads. AI Gateway serves tens of trillions of tokens across hundreds of models through real applications and agents. What we're seeing:Anthropic leads in spend despite a higher unit price, Google leads in volumeOSS models are gaining traction, but there is no loyalty to specific labsOpenAI spend share is growing quickly after recent model updatesHigh-volume workloads route across 30+ distinct models on averageAgentic workloads carry 59% of all token volume (up 2x over 6…
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