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  "path": "/260505/p34#a260505p34",
  "publishedAt": "2026-05-05T17:10:02.000Z",
  "site": "https://www.techmeme.com",
  "tags": [
    "OpenAI",
    "OpenAI launches GPT-5.5 Instant, which it says is smarter, with more accurate and personalized responses, replacing GPT-5.3 Instant as ChatGPT's default model"
  ],
  "textContent": "OpenAI:\n**OpenAI launches GPT-5.5 Instant, which it says is smarter, with more accurate and personalized responses, replacing GPT-5.3 Instant as ChatGPT's default model** — We're updating ChatGPT's default model, available to everyone, to be smarter and more accurate, with clearer, more concise answers that feel better tailored to you.",
  "title": "OpenAI launches GPT-5.5 Instant, which it says is smarter, with more accurate and personalized responses, replacing GPT-5.3 Instant as ChatGPT's default model (OpenAI)"
}