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Solar Pro 2

Solar Pro 2 is Upstage's 31-billion-parameter flagship model, recognised as a 2025 frontier model, that supports both a fast chat mode and a structured multi-step reasoning mode in a single model, along with structured outputs and function calling in English, Korean and Japanese.

text → text · made by Upstage

$0.15$0.6per Mtok in / out
Upstage

Sold by 1 way

SellerLaneRate
Upstage apistandard$0.15per Mtok in$0.6per Mtok out$0.015per Mtok cachedupstage.ai · read 2026-08-25

About

Solar Pro 2 — a text model from Upstage, sold by one company from $0.15 in and $0.6 out per million tokens.

It takes text and returns text, with a context window of 65,536 tokens. It was published in May 2025, 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. Only Upstage sells it, at $0.15 in and $0.6 out per million tokens.

Every current figure

Maker
Upstage
Register
model
Takes
text
Returns
text
Context
65,536 tokens
Longest answer
8,192 tokens
Published
May 2025
Knowledge to
March 2025
Licence
not read
Sellers
1
Price
$0.15 in and $0.6 out per million tokens — Upstage

Known as 1 name

solar-pro2