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Solar Pro 4

Parameters

Undisclosed

Context Length

524K

Modality

Text

Architecture

Undisclosed

License

Proprietary

Release Date

10 Aug 2026

Knowledge Cutoff

-

API Pricing (per 1M)

Input: $0.15 · Output: $0.60

Evaluation Benchmarks

Rank

#118

BenchmarkScoreRank

Professional Knowledge

MMLU Pro

0.863

8

Graduate-Level QA

GPQA

0.89

28

Agentic Index

Artificial Analysis

0.29

63

Agent Arena

Agent Arena

-20.25

66

Web Development

WebDev Arena

1370

90

Intelligence Index

Artificial Analysis

0.27

109

General Text

Text Arena

1387

132

Rankings

Overall Rank

#118

Coding Rank

#140

About Solar Pro 4

Solar Pro 4 is a cost-efficient large language model from Upstage featuring a 524K token context window. It is built for long-horizon enterprise tasks, agentic workflows, and document-intensive operations.

Technical Specifications

Architecture specifications are undisclosed for proprietary models.

About Solar

The Solar model family developed by Upstage.


Other Solar Models