Open-Weight LineageUpstage
Upstage releases Solar Pro Preview
Released Solar Pro Preview — 22B, designed to run on a single GPU, English-only with a 4K context window, open source with commercial use allowed (MIT)
Why it matters
A preview released as weights plus free API access ahead of the full release planned for November; Upstage claimed it competes with multi-GPU models such as Llama 3.1 70B
Source — Primary sources first; secondary reports are labelled “Press”
Officialupstage.aihttps://www.upstage.ai/news/solar-pro-previewAdded in Week 41, 2026 · See that week