OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT
OpenAI Releases GPT-5.5 Instant: A New Default Model for ChatGPT OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT On May 5, 2026, OpenAI announced the launch of its latest foundation model, GPT-5.5 Instant, which will replace the previous default model, GPT-5.3 Instant, for ChatGPT. This new model aims to enhance user experience by…
