By Benj Edwards
Publication Date: 2025-12-11 21:27:00
In attempting to keep up with (or ahead of) the competition, model releases proceed at a steady clip: GPT-5.2 represents OpenAI’s third major model release since August. GPT-5 launched that month with a new routing system that toggles between instant-response and simulated reasoning modes, though users complained about responses that felt cold and clinical. November’s GPT-5.1 update added eight preset “personality” options and focused on making the system more conversational.
Numbers go up
Oddly, even though the GPT-5.2 model release is ostensibly a response to Gemini 3’s performance, OpenAI chose not to list any benchmarks on its promotional website comparing the two models. Instead, the official blog post focuses on GPT-5.2’s improvements over its predecessors and its performance on OpenAI’s new GDPval benchmark, which attempts to measure professional knowledge work tasks across 44 occupations.
During the press briefing, OpenAI did share some…
