On this day: Feb 27

2 records from this date in 2025.

2025

1 year ago · 2 records
OpenAI releases GPT-4.5 as a research previewOpenAI

A non-reasoning model that does not think before responding; company-reported GPQA 71.4% and SWE-bench Verified 38.0% trailed o3-mini (high) at 79.7% and 61.0%, while it led on MMMLU (85.1% vs 81.1%) and SWE-Lancer Diamo

Kakao open-sources Kanana Nano 2.1BKakao

The first open weights in the Kanana line, released alongside a report on training the 2.1B–32.5B Kanana lineup