#81of 334Solar Pro 4?Chat · Humanity's Last Exam
Sep 22, 2026Solar Mini 4newest release
$0.05 / —Solar Decide Flash?cheapest · per 1M in / out
4categories ranked?Chat · Coding · Agents …
Current lineup?
Chat & Knowledge
Humanity's Last Exam · 334 rankedRankModelScoreIn / out
#81 of 334Solar Pro 429.8$0.30 / $1.20#87 of 334Solar Open2 250B28.5—#99 of 334Solar Mini 425.8$0.05 / $0.20#184 of 334Solar Open 100B10.4—#186 of 334Solar Pro 310.3$0.15 / $0.60Coding
Terminal-Bench 4.0 · 132 rankedRankModelScoreIn / out
#54 of 132Solar Mini 41$0.05 / $0.20#75 of 132Solar Pro 30$0.15 / $0.60#75 of 132Solar Pro 40$0.30 / $1.20Agents & Tool Use
AutomationBench-AA · 133 rankedRankModelScoreIn / out
#57 of 133Solar Mini 422.3$0.05 / $0.20#72 of 133Solar Pro 413.6$0.30 / $1.20#120 of 133Solar Pro 30.5$0.15 / $0.60Writing & Language
Arena Text · creative writing · 195 rankedRankModelEloIn / out
#124 of 195Solar Pro 41,309$0.30 / $1.20Upstage API pricing?
6 models| Model | Input | Output | Cache read | Context | Released ↓ | Status |
|---|---|---|---|---|---|---|
Solar Mini 4 | !$0.05 | $0.20 | $0.005 | 524K | Sep 2026 | |
Solar Decide | !$0.10 | — | — | 512K | Sep 2026 | |
Solar Pro 4 | $0.30 | $1.20 | $0.06 | 524K | Aug 2026 | |
Solar Pro 3 | $0.15 | $0.60 | $0.015 | 131K | Apr 2026 | |
Solar Pro 2 Older | $0.15 | $0.60 | — | 66K | Jul 2025 | Older |
Solar Decide Flash | h!$0.05 | — | — | 524K | — |
3 more without a listed priceFull Upstage pricing: cache, batch, FAQ →
Model lines?
Solar Pro
Solar Pro
Solar Pro
Retired & older
| Model | Status | Replace with | Still on | Released |
|---|---|---|---|---|
Superseded | Superseded | — | Jul 2025 | |
Superseded | Superseded | — | May 2025 |
| Model | Status | Replace with | Still on | Released |
|---|---|---|---|---|
Superseded | Superseded | — | Jul 2025 | |
Superseded | Superseded | — | May 2025 |
