India, Dec. 12 -- Sam Altman's OpenAI on Thursday unveiled GPT-5.2, its most advanced AI model yet, calling it the strongest version so far for everyday professional use.

In ChatGPT, there are three versions of GPT-5.2: Instant, Thinking and Pro, according to OpenAI.

The versions are now live for paid users.

OpenAI describes GPT-5.2 Instant as the fast, everyday model meant for quick answers. It gives clearer explanations and does better with how-to questions, technical writing and translation, .

GPT-5.2 Thinking is designed for heavier tasks. It handles coding, long document summaries, math, logic and planning with more structure and polish.

OpenAI says this model produces deeper, more detailed responses.

GPT-5.2 Pro is the top-end...