upstageListed Aug 10, 2026

Upstage: Solar Pro 4

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...

Context window524.3K
Max output131.1K
Provider endpoints3
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
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No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

3 quotes

Your token mix

USD · listed token rates

OpenRouter

Catalog quote
Input
$0.09
Output
$0.36
Cached input
$0.018
USD / 1M tokens
524.3K context131.1K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDupstage/solar-pro4

Upstage

via OpenRouter

upstage/zdr

Input
$0.09
Output
$0.36
Cached input
$0.018
USD / 1M tokens

Source discount 70%; rates as published

524.3K context131.1K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDupstage/solar-pro4::upstage/zdr

Upstage

via OpenRouter

upstage

Input
$0.09
Output
$0.36
Cached input
$0.018
USD / 1M tokens

Source discount 70%; rates as published

524.3K context131.1K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDupstage/solar-pro4::upstage

Model specifications

Developer
upstage
Modality
Language
Context
524,288 tokens
Maximum output
131,072 tokens
Weights
Not reported
Provider listed
Aug 10, 2026
First discovered
Oct 16, 2026

Exact identities

  • openrouterupstage/solar-pro4

Sources

Updated Oct 17, 2026

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No reported score
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