According to Vercel AI Gateway data, Anthropic, OpenAI and Google together accounted for a 97.09% share of AI model spending on June 27, 2026; spending on open models was practically negligible at that time. Over the past five days, however, the big three’s share fell to a historic low, which may raise questions about market concentration and the competitiveness of open models.
Anthropic, OpenAI and Google dominated AI spending on June 27, according to Vercel data
According to Vercel AI Gateway data, Anthropic, OpenAI and Google together accounted for a 97.09% share of AI model spending on June 27, 2026; spending on open models was practically negligible at that time.
