ChatGPT’s Free Model Just Upgraded: Hallucinations Halved, Memory Enhanced, Responses More Concise
OpenAI has officially launched GPT-5.5 Instant as ChatGPT’s new default free model—reducing hallucinations by 52.5%, adding memory provenance, delivering more concise and natural responses, now rolling out globally.
入选理由:幻觉率在高风险领域(医疗/法律/金融)下降52.5%,AIME数学准确率提升至81.2%。








