OpenAI Launches GPT-5.5 Instant, Reducing AI Hallucinations

OpenAI has unveiled its newest model, GPT-5.5 Instant, which is now the default for ChatGPT. This model is designed to address one of the most significant challenges in AI: hallucinations, where the AI generates false or misleading information. OpenAI claims that GPT-5.5 Instant has made substantial improvements in factual accuracy, particularly in sensitive fields such as law, medicine, and finance. According to the company, internal evaluations indicate that this model produces 52.5% fewer hallucinated claims compared to its predecessor. This advancement is crucial for users who rely on AI for accurate information, as it enhances the overall reliability of ChatGPT. The release of GPT-5.5 Instant marks a significant step forward in OpenAI's mission to create trustworthy AI systems that can be used safely across various applications.