Solar Pro 3

upstage/solar-pro-3

Upstage: Solar Pro 3 is a text‑only model released on 2026‑01‑27 by Upstage. It supports a 128 000‑token context window, tool use, and reasoning capabilities. Pricing is $0.15 per million input tokens and $0.60 per million output tokens, and the model weights are not open.

  • tool use
  • structured outputs
  • reasoning

At a glance

providerupstage
releasedJan 27, 2026
context128K
input / M$0.15

Specifications

What the API gives you

Context window
128K tokens
Max output
Input price
$0.15 / 1M tokens
Output price
$0.60 / 1M tokens
Cache read
$0.015 / 1M tokens
Modalities
text → text
Knowledge cutoff
Released
Jan 27, 2026

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.

Benchmarks

No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.