Upstage is a Seoul-based AI company founded in 2020 by Sung Kim, who serves as CEO. It is known for the Solar family of language models, including Solar Mini and Solar Pro, and for Document Parse and other enterprise document AI products.
- Founded
- 2020
- Type
- Private company
- Founder
- Sung Kim
- AI lab
- Inference provider
- 9 hosted endpoints
Catalogue
All models by Upstage
7 models · 1–7
| Select models to compare | Model | Released | Context | Input /M | Output /M | Parameters | Type | I/O | Openness |
|---|---|---|---|---|---|---|---|---|---|
 Solar Decide FlashUpstage | October 8, 2026 | 524K | $0.05 | $0.00 | — | Decisions | text → decisions | Closed | |
| Solar DecideUpstage | September 22, 2026 | 524K | $0.05 | $0.00 | — | Decisions | text → decisions | Closed | |
| Solar Mini 4Upstage | September 22, 2026 | 524K | $0.05 | $0.20 | — | Text | text → text | Closed | |
| Solar Pro 4Upstage | August 6, 2026 | 524K | $0.15 | $0.60 | — | Text | text → text | Closed | |
| Solar Pro 3Upstage | January 26, 2026 | 131K | — | — | — | Text | text → text | Closed | |
| Solar Pro 2Upstage | May 20, 2025 | 66K | — | — | — | Text | text → text | Closed | |
| SOLAR 10.7B Instruct v1.0Upstage | December 12, 2023 | 4K | — | — | 10.7B | Text | text → text | Open weights |