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Description

Solar Mini 4 is a 35-parameter mixture-of-experts model from Upstage with 3B active parameters and a 524K token context window.

OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.

I/O price /1M

$0.05/$0.2

$5.00/$30.00

Input /1M

$0.05

$5.00

Output /1M

$0.2

$30.00

Cached in /1M

$0.005

$0.5

Context

524K

Δ input since launch

—

Δ output since launch

—

Released

Sep 2026

Apr 2026

Status

—

Provider

U Upstage

OpenAI