OpenAI Releases GPT-5.5 Instant as New Default Model for ChatGPT
OpenAI has released GPT-5.5 Instant as the new default model for ChatGPT, replacing GPT-5.3 Instant. The model improves accuracy in sensitive areas like law, medicine, and finance, and outperforms its predecessor in math and reasoning benchmarks. The update includes enhanced context management features for Plus and Pro users, with plans for broader access.
Topics: AI ChatGPT Context Management GPT-5.5 Hallucination Reduction Model Updates OpenAI