Upstage: Solar Mini 4 — pricing & benchmarks

By upstage · Updated 2026-10-04 · cheap high-volumestep-by-step reasoning

What Upstage: Solar Mini 4 is used for

Upstage: Solar Mini 4 is best suited for cheap high-volume, step-by-step reasoning. Access it through one Appmo API key alongside 458 other models — Appmo's optimizer can route to it automatically when it is the best value for a request.

What people are saying (last 30 days)

Not enough posts yet to judge community sentiment. 1 new GitHub repos mentioning it. How we measure this.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"upstage/solar-mini4","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does Upstage: Solar Mini 4 cost?
Upstage: Solar Mini 4 costs $0.05 per 1M input tokens and $0.2 per 1M output tokens ($0.088 blended), as of 2026-10-04. Prices are expected to fall as competition increases.

What is Upstage: Solar Mini 4 best for?
Upstage: Solar Mini 4 is best suited for cheap high-volume, step-by-step reasoning.

How do I use Upstage: Solar Mini 4?
Send requests to Appmo's OpenAI-compatible endpoint with model id "upstage/solar-mini4" and one API key — no separate provider account needed.

Is Upstage: Solar Mini 4 open source?
We have no record of public weights for Upstage: Solar Mini 4; treat it as a closed model available only through its provider's API.

Can Upstage: Solar Mini 4 create images?
No, Upstage: Solar Mini 4 works with text.