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Smartest Upstage Models

Quick answer · Updated June 2026

The smartest Upstage model is Solar Pro 3, scoring 25.9 on the Artificial Analysis Intelligence Index.

25.9Intelligence
20 t/sSpeed
$0.150Input /M
128KContext

The most capable AI models ranked by the Artificial Analysis Intelligence Index — a composite of reasoning, knowledge, math and science benchmarks. These are the highest-scoring large language models available today.

  1. 1U
    solar-pro-3
    ReasoningToolsJSON$0.150/M · 20 t/s · 966ms ttft
    25.9
    Intelligence

Frequently asked

What is the smartest Upstage model?

The smartest Upstage model is Solar Pro 3, scoring 25.9 on the Artificial Analysis Intelligence Index.

How many Upstage models are there?

modelgrep tracks 1 Upstage models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Solar Pro 3. 1 of them qualify for this ranking.

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