Solar Open 2 Adopts MoE and Linear Attention Architecture

Technical breakdowns reveal that the 250B Solar Open 2 utilizes an innovative architecture combining Mixture-of-Experts (MoE), linear attention, and no positional encoding across a 48-layer stack.

2026-07-26 ~ 2026-07-26 · 2 related posts

• Solar Open 2 250B gets a TL;DR from Upstage’s technical report — keunwoochoi · 2026-07-26
• Solar Open 2 uses MoE, linear attention, and no positional encoding — keunwoochoi · 2026-07-26