OpenAI received roughly 90% of all spending on AI tools by House offices, committees, and institutional accounts during the year ending in March 31, per House disbursement records. CNBC found that Congress spent around $100,580 across 798 transactions on ChatGPT, out of at least $113,740 in total AI spending. Anthropic’s Claude trailed in second place at $13,160 across 37 transactions.
