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Solar-Open2

Upstage🇰🇷 KRMajor lab· Jul 22, 2026

Textopen weights

Solar-Open2 is a 250 billion parameter large language model designed for agentic workflows, such as office productivity and coding. It utilizes a Hybrid-Attention Mixture-of-Experts architecture, allowing efficient inference even with long context lengths of up to 1 million tokens.

Summary of the model card

License
other
Modalities
text → text

1 variant

250B250BHF

Sources

HuggingFacePaper
Deutsch

Solar-Open2 ist ein 250 Milliarden Parameter großes Sprachmodell, das für agentische Arbeitsabläufe wie Büroproduktivität und Programmierung entwickelt wurde. Es nutzt eine Hybrid-Attention-Mixture-of-Experts-Architektur, die eine effiziente Inferenz selbst bei langen Kontextlängen von bis zu 1 Million Token ermöglicht.

Benchmarks

BenchmarkDomainValueEvidence
LiveCodeBenchvendor numbercoding56.5 % pass@180
AIMEvendor numbermath80 % correct53
GPQA Diamondvendor numberreasoning66.2 % correct50
MMLUvendor numberknowledge80.4 % correct43

Vendor-reported numbers are marked and count with factor 0.7 in rankings. The evidence score says how much a benchmark still tells you today.

Provenance

Detected
Sep 27, 2026
First source
huggingface
Description
Summary of the model card
Editorially reviewed
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