Polymarket: Grok Drives 59.5% of AI-Agent Trading Volume on Coinbase vs Claude's 13.4%

Polymarket · x · 2026-09-26

Polymarket reports that on Coinbase's AI-agent trading, Grok generated 59.5% of notional trading volume, dwarfing Claude at 13.4% and ChatGPT at just 1.5% — a striking divergence from these models' relative standing on general benchmarks.

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