GPT‑5.5 Instant

Name: GPT‑5.5 Instant
Author: PH 新产品

Smarter, more personal answers as ChatGPT's new default

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GPT-5.5 Instant replaces GPT-5.3 as ChatGPT's default model with smarter, more concise answers, improved personalization from past chats and connected Gmail, and memory source controls. For ChatGPT users on all plans.

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