API price

Solar Pro 4 API price

By Upstage. $0.15 per million input tokens, $0.60 per million output tokens on OpenRouter. Collected October 23, 2026.

upstage/solar-pro4Closed weights

Input /M tokens: $0.15
Output /M tokens: $0.60
Context (tokens): 524,288
Parameters: —
Released: August 10, 2026
Tracked since: August 22, 2026

Last 90 days

inputoutput

Price changes

October 20, 2026input $0.09 → $0.15, output $0.36 → $0.60
September 12, 2026input $0.03 → $0.09, output $0.12 → $0.36

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