Solar-Open2
Upstage🇰🇷 KRMajor lab· Jul 22, 2026
Textopen weights
Upstage open-weight MoE model (250B total, 15B active per token) aimed at agentic tasks such as tool calling, document work and coding. The model card reports 70.4 on SWE-Bench Verified, behind MiMo-V2.5 (73.0) and DeepSeek-V4-Flash (73.8).
Summary of the model card
- License
- other
- Modalities
- text → text
1 variant
| 250B | 250B | HF |
Sources
HuggingFacePaperDeutsch
Open-Weight-Modell von Upstage mit 250B Parametern gesamt und 15B aktiv pro Token, ausgelegt auf agentische Aufgaben wie Tool-Calling, Dokumentarbeit und Coding. Laut Modelcard erreicht es 70.4 bei SWE-Bench Verified und liegt dort hinter MiMo-V2.5 und DeepSeek-V4-Flash.
Benchmarks
| Benchmark | Domain | Value | Evidence |
|---|---|---|---|
| LiveCodeBenchvendor number | coding | 56.5 % pass@1 | 82 |
| AIMEvendor number | math | 80 % correct | 53 |
| GPQA Diamondvendor number | reasoning | 66.2 % correct | 49 |
| MMLUvendor number | knowledge | 80.4 % correct | 39 |
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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