OpenAI’s GPT‑5.5 Instant: The New Default ChatGPT Model, Safety Tested and Enterprise‑Ready
OpenAI has introduced GPT‑5.5 Instant as the new default behind ChatGPT and the primary API endpoints—a change that matters for anyone shipping AI into production or protecting an organization from AI‑driven risk. The model is pitched as a frontier‑class system that meets or exceeds prior flagships on reasoning, coding, and comprehension while cutting latency and…