OpenRouter users spent more on OpenAI's models than on Anthropic's in the week of September 7, the first time that happened since the week of February 26, 2024 (@openrouter)

According to OpenRouter, for the week of September 7, user spending on OpenAI models exceeded spending on Anthropic models for the first time since the week of February 26, 2024. This is the first such shift in more than 2.5 years.

• Spending on OpenAI models exceeded Anthropic for the week of September 7
• First time since the week of February 26, 2024
• The gap between leadership changes was over 2.5 years