Identity
- Type
- startup
- Country label
- South Korea
- HQ country
- South Korea
- Founding country
- South Korea
- Parent
- not in the notes
- Parent country
- not in the notes
- Country basis
- the research notes
Where this comes from
Convention D1: a dual label, HQ first, when the HQ, founding or parent country differ.
Models by Class
LLM6
Models
ModelClassOpennessParametersReleased
Solar Mini 4LLM1 Oct 2026Solar Pro 4LLM11 Aug 2026Solar Open 2LLM22 Jul 2026Solar Pro 3LLM26 Jan 2026Solar-Open-100BLLM–Solar ProLLM–Links
OrganisationUpstagestartup, South Korea
Upstagestartup, South KoreaModelsSolar Mini 4Upstage, LLMSolar Pro 4Upstage, LLMSolar Open 2Upstage, LLMSolar Pro 3Upstage, LLM+2 more
Solar Mini 4Upstage, LLMSolar Pro 4Upstage, LLMSolar Open 2Upstage, LLMSolar Pro 3Upstage, LLM+2 moreUse Casesnone recorded
Who Runs Itnone recorded
Scores
| Benchmark | Model | Score | Who ran it | Setting |
|---|---|---|---|---|
| Arena Text leaderboard | Solar Pro 4 | rank only | independent | solar-pro4 |
| Artificial Analysis Intelligence Index | Solar Pro 4 | 28 index | independent | listed on AA as Solar Pro 45; asterisk on page |
| GPQA Diamond | Solar Open 2 | 86.3 % | vendor-reported | |
| KMMLU-Pro | Solar Open 2 | 78.4 % | vendor-reported | |
| LiveCodeBench | Solar Pro 4 | 87.8 % | vendor-reported | |
| MMLU-Pro | Solar Open 2 | 86.2 % | vendor-reported |
Where this comes from
Every recorded score of this organisation's models, with who ran it. Scores from different settings are not directly comparable.
Sources
- The Upstage Blog | Upstage AI upstage.ai https://www.upstage.ai/blog
- huggingface.co/upstage/Solar-Open2-250B https://huggingface.co/upstage/Solar-Open2-250B
- huggingface.co/upstage https://huggingface.co/upstage
- LiveCodeBench Leaderboard: Solar Pro 4 Leads at 87.8% benchlm.ai https://www.benchlm.ai/benchmarks/livecodebench
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Upstage", https://aurion.semai.id/organisations/upstage/, records of October 2026.