Upstage Unveils Solar Open 2: Open-Source AI Agent LLM

Upstage has released Solar Open 2, an open-source LLM optimized for AI agent tasks, requiring only two NVIDIA H200 GPUs versus 16 B200s for competing models, and outperforming DeepSeek V4 Flash and Mistral Medium 3.5 on agent benchmarks. The model, developed through South Korea's sovereign AI foundation project, will be deployed across Daum (10M+ weekly users), local government services, and industry-specific applications in finance, law, and healthcare.

This Wire brief sits within Fusion42's coverage of AI Frontier Models and AI Agents, and 3 sources have reported it between 22 Jul 2026 and 23 Jul 2026.