Open-Weight LineageUpstage
Upstage releases Solar Open 2
AIMade by AIWritten by AI (Claude) from the source below. Check anything important against the source.How it's made
Solar Open 2 released — an MoE with 250B total / 15B active parameters per token, commercially usable under the Upstage Solar License
Why it matters
A phase-2 result of the independent foundation model program
Source — Primary sources first; secondary reports are labelled “Press”
Officialupstage.aihttps://www.upstage.ai/blog/ko/solar-open-2Added in Week 35, 2026 · See that week
On the map — ⑨ Open-Weight Lineage line
- Previous stopKimi K2 Thinking
- This recordSolar Open 2
- Next stopK-EXAONE 2.0
In the model family tree — Korean models family · 21 versions
- Earlier versionKanana-2
- This recordSolar Open 2
- Later versionThe latest version in this branch