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Upstage

Upstage: Solar Pro 4

Upstage

WhatModel Score71SolidCompare
Input / M
Output / M
Context
Max Output
131K
Usage
#24 · 0.70%
Quality
63.0 / 100
Providers
1
Best Uptime 30m
100.00%
Latency (p50)
2111 ms
Throughput
28.0 tok/s
Released
August 10, 2026
Modalities
text

About

Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive.

Capabilities

Vision
Tools
Reasoning
Streaming
JSON Mode

Host offerings · 1

Per-host pricing, uptime, latency, throughput
HostInput/MOutput/MContextUptime
UpstageBest
Upstage | upstage/solar-pro4-20260810
$0.030$0.120524K100.0%

Benchmarks

Quality index 63.0 / 100
Artificial Analysis
intelligence index
41.6 / 100
coding index
52.7 / 100
agentic index
33.6 / 100
Design Arena
elo models gamedev
1145.0
elo models website
1167.0
elo models dataviz
1139.0

Performance History

200 snapshots

Price History

0 recorded changes
No price changes recorded yet.

Usage (OpenRouter)

Rank #24 of the market
0.70% share
No usage recorded yet.

Activity Timeline

  • capability changed
    supports_tools → true
    6d ago
  • capability changed
    supports_json → true
    6d ago
  • capability changed
    supports_tools → true
    6d ago
  • capability changed
    supports_json → true
    6d ago
  • model added
    Listed for the first time
    6d ago

Versus

Nearest peers by price, context, and capabilities. One click to compare.
No comparable models found.

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Markdown
[![Upstage: Solar Pro 4 WM Score](https://whatmodel.app/api/public/embed/score/414a3f94-f62a-4a97-9ea2-b5d222594afc)](https://whatmodel.app/models/414a3f94-f62a-4a97-9ea2-b5d222594afc)
HTML
<a href="https://whatmodel.app/models/414a3f94-f62a-4a97-9ea2-b5d222594afc"><img src="https://whatmodel.app/api/public/embed/score/414a3f94-f62a-4a97-9ea2-b5d222594afc" alt="Upstage: Solar Pro 4 WM Score" height="26" /></a>
Image URL
https://whatmodel.app/api/public/embed/score/414a3f94-f62a-4a97-9ea2-b5d222594afc
First seen 6d ago · Last verified 5m ago