According to Vercel AI Gateway data for the last two months, Anthropic remained the largest spender but its share fell from 69% to 40%, while OpenAI rose from 10% to 24%; OpenAI now leads in token count and accounts for 62% of all image generation. GPT-6 Astra, GPT 5.6 Sol, Kimi K3, DeepSeek and Opus 5.5 significantly reshaped the market composition.
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OpenAI's advance and Anthropic's market-share drop in Vercel AI Gateway spending
According to Vercel AI Gateway data for the last two months, Anthropic remained the largest spender but its share fell from 69% to 40%, while OpenAI rose from 10% to 24%; OpenAI now leads in token count and accounts for 62% of all image generation.
