GPT-6 Astra tops Claude Opus 5 in Ramp business spending share, OpenAI overtakes Anthropic
firstadopter · x · 2026-09-22
Citing new data from expense-management startup Ramp via NYT DealBook, OpenAI's models overtook Anthropic's in share of business AI spending this past week. GPT-6 Astra had the largest market share of any single model at nearly 19% of dollars spent, ahead of Anthropic's Claude Opus 5 at 17%. The poster notes they wrote about the trend a month before mainstream media picked it up.
Related event: OpenAI Overtakes Anthropic in Enterprise AI Spend: Ramp Data(2 posts)→
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