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Vercel's AI Gateway Production Index for July 2026 reports that open-weight models now account for 29% of token volume, with DeepSeek leading among open-weight labs, while average token prices flattened as cheap open-weight volume offset rising frontier model costs.
Comparison of monthly token volume shares by model author between January 2026 and June 2026, as of June 14th.
AI Gateway's May 2026 data shows DeepSeek's token share surged to 17% with minimal spend, while Anthropic retained 65% of spend, indicating cost-conscious routing and growing overall usage.
Vercel's AI Gateway data shows Anthropic leads in spending, Google in token volume, and agentic workloads carrying 59% of token volume. OpenAI's spend share tripled after recent model updates.