
OpenAI Just Open-Sourced Serious Models. Here’s What That Actually Means.
For most of the last six years, the most capable LLMs were locked behind APIs. You could call them, you could build on them, but you couldn’t look inside, customize
Booth 21-25 | AI Data Management Zone | Tokyo Big Sight

For most of the last six years, the most capable LLMs were locked behind APIs. You could call them, you could build on them, but you couldn’t look inside, customize

Here’s a finding that genuinely surprised me when I sat with it. Shaoyang Xu and Wenxuan Zhang at the Singapore University of Technology and Design (arXiv:2601.11227, January 2026) showed that the language an LLM uses for its internal reasoning measurably changes the diversity of its English outputs — even when
