OpenAI hits $500B valuation, surpassing SpaceX as world’s largest startup Post author:MiamiCrypto Post published:October 2, 2025 Post category:Uncategorized Tether is estimated to be the crypto company closest to rivaling OpenAI’s $500 billion valuation, far ahead of Coinbase, Ripple and Circle. You Might Also Like Stablecoin supply growth stalls as regulation, Treasury yields bite January 22, 2026 The Blockchain Group adds 580 BTC as stock jumps 226% since Bitcoin pivot March 27, 2025 CryptoQuant founder slams X for penalizing crypto content instead of bots January 11, 2026