Upstage
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Listed August 2026
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Multimodal Foundation
Solar Pro 4
Arena #182 • score 1386 ±6
Proprietary model from Upstage, listed August 2026. Arena text score 1386 (#182 of 414 entries). $0.09 input / $0.36 output per 1M tokens. 512K tokens context.
Parameters
Not disclosed
Context Window
512K tokens
Input / 1M tokens
$0.09
Output / 1M tokens
$0.36
Benchmark Results
- Arena Text Elo: 1386 (#182 of 414 on arena.ai · ±6 · 18,407 votes · variant: solar-pro4)
- AA Intelligence Index: 28.2 (Artificial Analysis v4.3 · best setting: Solar Pro 4 · checked 2026-10-11)
- AA Coding Index: 52.7 (Artificial Analysis v4.3 · best setting: Solar Pro 4 · checked 2026-10-11)