Compared to the free tier, ChatGPT Go offers higher message limits, image generations, and file and image uploads per day, making it ideal for both students and professionals.

The company said the model reduces hallucination in sensitive areas such as law, medicine, and finance, while maintaining the low latency of its predecessor.

In this photo illustration, the logo of ChatGPT is displayed on a smartphone screen with an OpenAI logo in the background on ...

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OpenAI just dropped GPT‑5.1, and it’s already rolling out to ChatGPT Plus subscribers in two new modes: Instant and Thinking. The Instant chat feature is a quick-thinking assistant offering faster ...

OpenAI’s GPT-5.5 Instant is now ChatGPT’s default model, promising fewer hallucinations, shorter answers, better memory controls, and clearer chats.

As of May 5, 2026, GPT-5.5 Instant is now the default model for all logged-in ChatGPT users worldwide, replacing GPT-5.3 Instant. The change is rolling out across web, mobile, and the API, meaning ...