Open-weight models surge past closed rivals in Vercel token traffic
DeepSeek V4 Flash and Step 3.7 Flash lead the shift, though Vercel's data covers its own gateway rather than the entire AI market.
By Ryan Merket · Published
Primary source: Guillermo Rauch on X
Why it matters
Open-weight models now carry most token volume on Vercel's gateway, led by efficiency-focused releases from DeepSeek and StepFun. The split strengthens Vercel's bet that routing and observability will remain valuable as developers spread workloads across competing labs.
Vercel founder and CEO Guillermo Rauch (@rauchg) drew attention Tuesday to a crossover in his company's AI traffic: models with downloadable weights accounted for 53.9% of token volume routed through Vercel AI Gateway on August 11th, compared with 46.1% for closed-weight models.…
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