2 articles

#personalization

GPT-5.5 Instant upgrade visualization: a glowing AI chat interface with memory sources flowing into a central intelligence core

OpenAI Ships GPT-5.5 Instant as ChatGPT's Default Model

OpenAI's GPT-5.5 Instant becomes the default ChatGPT model, with factuality gains, memory personalization, and 86% free-tier GPQA benchmark score.

May 6, 20262 min read

Technologybreaking

GPT-5.5 Instant Rolls Out as Default ChatGPT Model

GPT-5.5 Instant replaces prior ChatGPT default: 86% GPQA score (free tier), stronger factuality, memory personalization, API alias gpt-5.5-chat-latest.

May 6, 20261 min read

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