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GPT Image 2.5 wins all three mobile head-to-head rounds against Nano Banana 2.1, user says

A user ran design, macro, and portrait prompts first-pass on mobile in ChatGPT and Gemini apps, judged GPT Image 2.5 the winner in all three, and questioned whether Gemini has actually shipped Nano Banana 2.1.

兴雨

@YxzRainyArchived 23 days agoOriginally posted 2026.10.07

GPT Image 2.5 wins all three mobile head-to-head rounds against Nano Banana 2.1, user says (image 1 of 3)

GPT Image 2.5 wins all three mobile head-to-head rounds against Nano Banana 2.1, user says (image 2 of 3)

GPT Image 2.5 wins all three mobile head-to-head rounds against Nano Banana 2.1, user says (image 3 of 3)

兴雨 @YxzRainyOriginally posted 2026.10.07

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Nano Banana 2.1(?) VS GPT Image 2.5 测了三组：设计 / 微距 / 人像以我的审美来，这轮 GPT Image 2.5 三局全胜。 ChatGPT：左 / 上 / 上 Gemini：右 / 下 / 下测试环境：移动端 ChatGPT App 直出 Gemini 吗 App 直出同一套提示词，默认设置，首轮直出，不二改、不挑图。提示词我放评论区，你们也可以直接跑一遍，把图发出来和我的对比。但我现在有个疑问： Gemini App 真的已经下放 Nano Banana 2.1 了吗？？？🤔

x.com/yxzrainy/status/2107642159004561493Archived 2026.10.08 10:10