ChatGPT's new default model is more factual and better at personalization - Engadget
ChatGPT's new default model is more factual and better at personalization By Igor Bonifacic May 5, 2026 1:59 pm EST Hot on the heels of its recent GPT-5.5 release , OpenAI is updating ChatGPT's default model to GPT-5.5 Instant. …
