ChatGPT Free Update: GPT-5.5 Instant Reduces Hallucinations

ChatGPT is getting a major free update with a new, more accurate default model. OpenAI is rolling out GPT-5.5 Instant to all users, including those on the free tier, starting today. Here's the thing: This new model promises fewer mistakes and tighter answers. OpenAI says it reduces "hallucinations" – those confident but incorrect AI responses – by over 50 percent in testing, especially in critical fields like medicine and law. What's interesting is that it also improves performance for image analysis, math, and general reasoning. Responses will now be more concise, cutting down on overly long explanations and unnecessary formatting. There's also a push for smarter personalization, with the AI better at using past chat context. This update aims to make your interactions with ChatGPT much more reliable and efficient.