Multi-account testing reveals ChatGPT Pro's massive A/B testing: load times differ by 10+ seconds
doodlestein · x · 2026-09-25
A developer using web GPT Pro across multiple accounts and browsers found stark differences, evidence of extensive A/B testing and phased rollouts: session load times ranging from instant to 10-15 seconds, connectors sometimes appearing via @ and sometimes not, some accounts getting stuck in reasoning, and inconsistent reasoning-panel UI. He wishes he could always get the 'fast and reliable' build.
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