OpenRouter data shows OpenAI's spend share jumped from 20% to 50% in two months, eroding Anthropic's lead
FinanceYF5 · x · 2026-09-17
Citing OpenRouter data, FinanceYF5 reports that OpenAI is rapidly taking share from Anthropic: over the past two months, OpenAI's spend share on the platform rose from 20% to 50%, while Anthropic's fell from 80% to 50% — the two are now even. The author calls this a clear turning point in the competition.
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