| Type | Frontier labs |
|---|---|
| Founded | 2020 |
| Founders | Sung Kim |
| Headquarters | Seoul, South Korea |
| Website | upstage.ai |
Upstage funding filings
We found no Form D filed by Upstage itself under this name. Many labs raise through foreign entities or file under a different legal name.
Investment vehicles named after Upstage
2 special-purpose vehicles carrying the Upstage name have filed a Form D, 1 of them in the last 12 months. SPVs pool money from smaller investors to buy into one company, often on the secondary market, so a rising count is a sign of investor demand.
- Sazze Upstage SPV II, LP9 Mar 2026
- Primer Sazze Upstage SPV I, LP5 Apr 2024
Source: SEC EDGAR full-text search for "Upstage", Form D. Name matches can include unrelated filers; tell us if one is wrong.
Upstage research
21 papers in OpenAlex list an author affiliated with UpStage (South Korea) in the last 12 months. The most cited:
- Hierarchical Compression of Vision-Language Model Benchmarks29 Sep 2026 · 0 citations
- Let's Scale Step by Step: Compute-Efficient Hyperparameter Transfer for Large-Scale Mixture-of-Experts20 Aug 2026 · 0 citations
- LLM-as-a-Tutor: Policy-Aware Prompt Adaptation for Non-Verifiable RL5 Jul 2026 · 0 citations
- Ko-WideSearch: A Korean Breadth-Search Benchmark for Exhaustive Set Enumeration by Web Agents25 Jun 2026 · 0 citations
- OpenBioRQ: Unsolved Biomedical Research Questions for Agents20 Jun 2026 · 0 citations
Source: OpenAlex (CC0), institution UpStage (South Korea), read 2 Nov 2026.
Upstage models
Latest releases
- upstage/solar-pro4-tokenizer21 Sep 2026
- upstage/Solar-Open2-250B22 Jul 2026
- upstage/TinySolar-187m-4k27 May 2026
- upstage/TinySolar-111m-4k27 May 2026
- upstage/solar-pro3-tokenizer23 Jan 2026
- upstage/Solar-Open-100B10 Dec 2025
Most downloaded
- upstage/SOLAR-10.7B-Instruct-v1.045,902 downloads (30 days)
- upstage/Solar-Open-100B31,407 downloads (30 days)
- upstage/SOLAR-0-70b-16bit16,548 downloads (30 days)
- upstage/SOLAR-10.7B-v1.014,303 downloads (30 days)
- upstage/Solar-Open2-250B9,168 downloads (30 days)
Source: Hugging Face Hub, organisation upstage, read 2 Nov 2026.
Upstage: quick answers
Who founded Upstage?
Upstage was founded in 2020 by Sung Kim.
People at Upstage
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