Anthropic has surpassed OpenAI in business adoption within the United States, according to the May 2026 Ramp AI Index. Anthropic achieved a 34.4% adoption rate among American companies, while OpenAI holds 32.3%. This growth is partly attributed to Claude Code, which now accounts for 4% of all global commits on GitHub. AI
IMPACT Confirms Anthropic's growing enterprise traction and highlights the impact of specialized coding tools on developer workflows.
RANK_REASON The article reports on an AI index that shows adoption rates, which is an analysis of existing products rather than a new release or core research.
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