TLDR AI · HEADLINES & LAUNCHES

OPENAI READIES GPT-5.1 THINKING MODEL AHEAD OF GEMINI 3 PRO

testingcatalog.com2 min read

Summary from the TLDR AI newsletter

GPT-5.1 Thinking has been spotted in a backend component responsible for powering advanced reasoning processes within ChatGPT, indicating a GPT-5.1 release is close. Rumors point to a lineup of three models (Mini, Thinking, and a possible Codex-focused upgrade), each designed to fit different user needs and compute constraints. OpenAI is likely aiming to synchronize the release with Google's upcoming Gemini 3 Pro launch.