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Solar Pro 3

Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model.

text → text · made by Upstage

$0.15$0.6per Mtok in / out
Upstage · 3 sellers

Sold by 3 ways

SellerLaneRate
Upstage apistandard$0.15per Mtok in$0.6per Mtok out$0.015per Mtok cachedupstage.ai · read 2026-08-25
Nous Research aggregatorstandard$0.15per Mtok in$0.6per Mtok out$0.015per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
OpenRouter aggregatorstandard$0.15per Mtok in$0.6per Mtok out$0.015per Mtok cachedopenrouter.ai · read 2026-08-24

Measured 5 standings

PlaceBoardMetricScore
123rdof 143Artificial Analysis · Agentic IndexIndex1.4
159thof 184Artificial Analysis · Coding IndexIndex16.2
159thof 177Critpt — Epoch AIAccuracy0
161stof 168Scicode — Epoch AIScore24.653
223rdof 302Artificial Analysis · Intelligence IndexArtificial Analysis Intelligence Index8

About

Solar Pro 3 — a text model from Upstage, sold by 3 companies from $0.15 in and $0.6 out per million tokens, placed 223rd of 302 on Artificial Analysis · Intelligence Index.

It takes text and returns text, with a context window of 131,072 tokens. It was published in January 2026, trained on material up to March 2025. Its sellers say it can reason step by step and call a tool. The catalogue files it under chat. Three companies sell it. The cheapest is $0.15 in and $0.6 out per million tokens at Nous Research. It has been measured on 5 boards, and stands best at 223rd of 302 on Artificial Analysis · Intelligence Index.

Every current figure

Maker
Upstage
Register
model
Takes
text
Returns
text
Context
131,072 tokens
Longest answer
128,000 tokens
Published
January 2026
Knowledge to
March 2025
Licence
not read
Sellers
3
Price
$0.15 in and $0.6 out per million tokens — Nous Research
Boards
5
Best place
223rd of 302 — Artificial Analysis · Intelligence Index

Known as 2 names

upstage/solar-pro-3solar-pro3