💬 GPT-5.5 Instant Released for All

GPT-5.5 Instant has been released for everyone—the new model is now the default in ChatGPT even for free users, replacing GPT-5.3 Instant.

The AI has become smarter, provides more concise answers, adapts better to the user, and hallucinates half as often.

➡ You can try it out in ChatGPT. The update is rolling out gradually.