ChatGPT should feel “smarter and more accurate” starting today, according to OpenAI. That’s because the company is replacing the default model with an update called GPT-5.5 Instant. OpenAI also says the model upgrade cuts back on the “gratuitous emojis” in responses. GPT-5.5 Instant is the new default ChatGPT model GPT-5.5 Instant arrives on May 5 (5/5), which is two months since the last version upgrade to GPT-5.3 Instant on March 3. While the previous Instant model version promised to make ChatGPT less cringe, the new version focuses on accuracy and being concise. OpenAI specifically calls out a departure from too much emoji use: With this update, the model’s responses are  tighter and more to-the-point without losing substance,  while keeping the warmth and personality that makes ChatGPT enjoyable to use. It can deliver the same information, often with more utility than previous models, while reducing the verbosity and overformatting that can make responses too long.…