Model releaseHigh global significanceConfirmed confidence
OpenAI releases GPT-5.2
A follow-up update in the GPT-5 series that improves text diversity and further lowers the total cost of high-volume usage.
What happened
Event details
GPT-5.2 is a follow-up update in the GPT-5 series, improving the diversity of generated text while continuing to reduce the overall cost of large-scale usage. OpenAI released the closed-source model on December 11, 2025; the parameter count is undisclosed and it is an autoregressive Transformer. The primary source is "Introducing GPT-5.2."
Assessment
Why it matters
Rated on the impact-v1 six-axis scale: technical 4/5, market 4/5, ecosystem 3/5, policy & social 1/5, scope 4/5, durability 4/5.
78/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.