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Testing whether GPT-6 Astra is downgraded with the pelican-on-a-bicycle prompt

The author tests GPT-6 Astra with the classic SVG pelican-on-a-bicycle prompt, saying stock phrases like "inline SVG + CSS" in the reply suggest the request was routed to a downgraded model.

Vincent
@Vincent_AINotesArchived 2026.09.14Originally posted 2026.09.05
Testing whether GPT-6 Astra is downgraded with the pelican-on-a-bicycle prompt (image 1 of 2)
Testing whether GPT-6 Astra is downgraded with the pelican-on-a-bicycle prompt (image 2 of 2)
Vincent @Vincent_AINotesOriginally posted 2026.09.05
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GPT-6 Astra到底有没有降智?拿“鹈鹕骑自行车”一测就知道了。 最近不少人都在用同一个提示词测模型: >创建一个HTML,内容是SVG绘制一个鹈鹕骑自行车的2D动画,你不需要任何测试创建一个HTML,内容是SVG绘制一个鹈鹕骑自行车的2D动画,你不需要任何测试 我也拿去测了一下。 结果还真有点意思。 只要回复里开始出现「内嵌SVG + CSS」「内联SVG」这类固定话术,基本可以判断:这次大概率被路由到某个降智模型了。 P1是别人测的,P2是我测的。 同一个提示词,出来的东西差异其实非常明显。一眼就可以看出来。

x.com/vincent_ainotes/status/2096127588062085473Archived 2026.09.14 16:13