IBM vs 
Upstage
Verdict
- Upstage's flagship leads: Solar Pro 4 at 54.7 vs Granite 4.2 30B at 50.0.
- Upstage has the better model in 3 of 4 price bands.
- IBM's fastest ranked model (Granite 4.2 3B, 214 tok/s) beats Upstage's (Solar Pro 3, 152 tok/s).
- IBM publishes more open-weights models (10 vs 1).
- IBM ships more often: one model every 118 days against every 191.
Best model per price band
Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.
| Price band | IBM | Upstage |
|---|---|---|
| Under $0.50/M | Granite 4.2 30B 50.0$0.283/M | Solar Pro 3 42.4$0.262/M |
| Under $2/M | Granite 4.2 30B 50.0$0.283/M | Solar Pro 4 54.7$0.525/M |
| Under $10/M | Granite 4.2 30B 50.0$0.283/M | Solar Pro 4 54.7$0.525/M |
| Any price | Granite 4.2 30B 50.0$0.283/M | Solar Pro 4 54.7$0.525/M |
Line-up
| Metric | IBM | Upstage |
|---|---|---|
| Flagship index | 50.0 | 54.7 |
| Ranked models | 7 | 2 |
| Open-weights models | 10 | 1 |
| Cheapest ranked, $/M | $0.053 | $0.262 |
| Fastest ranked, tok/s | 214 | 152 |
| Release cadence, days | 118 | 191 |
| Last release | 25 Aug 2026 | 6 Aug 2026 |
| Next expected | 3 Nov 2026 – 6 Feb 2027 | 28 Nov 2026 – 30 Apr 2027 |