ChatGPT included citations in 22.6% of travel answers and 4.8% of education answers in May, against an average of 6.8% across all answers, according to Similarweb's 2026 Generative AI Landscape report…
OpenAI updated GPT-5.5 Instant on June 24, improving its ability to understand user intent, maintain context across conversation turns, follow multi-part constraints, and provide better shopping and l…
OpenAI updated ChatGPT's default model to GPT-5.5 Instant in May 2026, replacing GPT-5.3 Instant for all users. The update delivers 52.5% fewer hallucinated claims and 37.3% fewer inaccurate answers, …
OpenAI made GPT-5.5 Instant the default ChatGPT model on May 5, achieving a 52.5% reduction in hallucinated medical claims while matching frontier reasoning models on health benchmarks. The model scor…