OpenAI Leads Enterprise AI Adoption Surge
Ramp data shows OpenAI leading US enterprise AI adoption in December 2025, with 36.8% of businesses paying for OpenAI products as overall paid AI adoption rose to 46.6%. Ramp's analysis of corporate billing across 50,000+ US firms also found Anthropic at 16.7% and Google at 4.3%, noting paid-transaction figures likely understate total usage.
Scoring Rationale
Broad, timely billing-based adoption data indicate strong OpenAI enterprise momentum, limited by Ramp's paid-transaction scope and excluded free usage.
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