Upstage
- Provider rank
- #14
- by best model
- Best index
- 56.0
- Solar Pro 4
- Ranked models
- 3
- 2 open weights
- Cheapest ranked
- $0.262/M
- Solar Pro 3
Release timeline
Each model’s best configuration by release date. The top eight are labelled; hover any point for its name.
Next release
Over the last two years Upstage shipped 4 distinct models, one every 191 days on median. The latest arrived on 6 Aug 2026.
If the cadence holds, the next one lands between 28 Nov 2026 and 30 Apr 2027.
An estimate from past release dates only. It knows nothing about roadmaps or announcements.
Fastest ranked model: Solar Pro 3 at 147 tok/s.
Head to head
Upstage vs OpenAI
Upstage vs Anthropic
Upstage vs Moonshot AI
Upstage vs Meta
Upstage vs Google
Upstage vs Alibaba
Upstage vs xAI
Upstage vs Zhipu AI
Upstage vs DeepSeek
Upstage vs NVIDIAModels
Every Upstage model with a result, one row per model; switch to all configurations to see each reasoning effort.
8 of 8
| # | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 | Solar Pro 4Upstage | 56.0±5 | $0.525 | 68 | 32 s | 524k | 2026-08-06 | 2026-09-08 |
| 2 | Solar Open 100BthinkingUpstageopen ↗ | 46.2±7 | – | – | – | 128k | – | – |
| 3 | Solar Pro 3Upstage | 44.6±11 | $0.262 | 147 | 16 s | 131k | 2026-01-27 | 2026-01-27 · stale |
| 4 | Solar Open2 250BUpstageopen ↗ | – | – | – | – | 1.0M | – | – |
| 5 | Solar Pro 4Upstage | – | – | – | – | – | – | 2026-09-08 |
| 6 | solar-miniUpstage | – | $0.150 | – | – | 33k | 2024-06-12 | – |
| 7 | solar-pro2Upstage | – | $0.250 | – | – | 66k | 2025-05-20 | – |
| 8 | solar-pro3Upstage | – | $0.250 | – | – | 131k | 2026-01 | – |
Latest news
- SK Telecom teams up with Upstage, AhnLab on AI model for cybersecurityupi.com · 27 Aug 2026
- Upstage AI Unveils Solar Pro 4, Scoring 42 on Artificial Analysis Index to Rank Among Global Frontier ModelsPR Newswire · 20 Aug 2026
- Upstage Embraces AI Agent Platform… Expanding 'Lifestyle AI' with Acquisition of Timely벤처스퀘어 · 6 Sept 2026
- Cerebras and Upstage Bring Ultra-Fast AI to South KoreaCerebras · 10 Jul 2026
- LG, SKT, Upstage advance in Korea’s sovereign AI raceThe Korea Herald · 18 Aug 2026
- "Save frontier models for frontier problems": Why Korea's Solar Pro 4 is a workhorse agent reliability playThe New Stack · 20 Aug 2026
- RaonSecure Joins Upstage Consortium for Korea’s Sovereign AI Projectthelec.net · 20 Aug 2026
- Why The Future Of AI In Fintech Is More Than The ModelForbes · 12 Aug 2026