On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in ...
The system prompt for OpenAI’s Codex CLI contains a perplexing and repeated warning for the most recent GPT model to “never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other ...
OpenAI has released a prompting guide for GPT-5.5, advising concise, outcome-focused instructions to make the most of its capabilities. The new model is designed to handle loosely defined requests, ...