SemiAnalysis reports that UI gyms (website replicas for agent training) often cost about $20,000 per website and that OpenAI has bought hundreds of them for ChatGPT Agent.
hundreds of sites
Dated 6 Jan 2026Source checked 14 Oct 2026Quote found on its page again 16 Oct 2026Basis: reported
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“These 'UI gyms' often cost about $20,000 per website ... OpenAI has purchased hundreds of sites for ChatGPT Agent training and development.”
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