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  "path": "/ai-platforms-assistants/chatgpt/i-tested-the-new-chatgpt-5-4-mini-and-nano-models-and-i-didnt-expect-them-to-be-this-powerful",
  "publishedAt": "2026-03-18T13:49:12.000Z",
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  "textContent": "OpenAI’s new GPT-5.4 mini and nano models bring a faster, more thoughtful ChatGPT experience to free users than I expected.",
  "title": "I tested the new ChatGPT-5.4 mini and nano models — and I didn’t expect them to be this powerful",
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