Model comparison
Nova Premier 1.0 vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 38.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
UpstageSummary
- The widest gap is in instruction following, where Solar Pro4 leads 72.7 to 66.8.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Nova Premier 1.0 accepts more context: 1M tokens versus 524K.
Side by side
| Nova Premier 1.0 | Solar Pro4 | |
|---|---|---|
| Provider | Amazon | Upstage |
| Noometry Index | 38.3 | 42.1 |
| Released | 2025-04-30 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 524K |
| Max output | 10K | 131K |
| Input $ / M tokens | $2.50 | $0.30 |
| Output $ / M tokens | $12.50 | $1.20 |
| Results tracked | 6 | 18 |
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Category by category
Coding Not comparable
Nova Premier 1.0: —, Solar Pro4: 40.1 (#149)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| LMArena Coding | — | 1437 |
Reasoning Solar Pro4 leads
Nova Premier 1.0: 23.0 (#185), Solar Pro4: 28.5 (#104)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| Kagi LLM Benchmark | 44.8% | — |
| LMArena Hard Prompts | — | 1399 |
Math Solar Pro4 leads
Nova Premier 1.0: 33.8 (#199), Solar Pro4: 38.8 (#128)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| Omni-MATH | 35% | — |
| LMArena Math | — | 1416 |
Knowledge Solar Pro4 leads
Nova Premier 1.0: 35.8 (#180), Solar Pro4: 39.8 (#129)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| MMLU-Pro | 72.6% | — |
| GPQA (HELM) | 51.8% | — |
| LMArena Expert | — | 1427 |
Multilingual Not comparable
Nova Premier 1.0: —, Solar Pro4: 48.7 (#139)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1361 |
| LMArena Chinese | — | 1415 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1401 |
Instruction Following Solar Pro4 leads
Nova Premier 1.0: 66.8 (#204), Solar Pro4: 72.7 (#132)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| IFEval | 80.3% | — |
| LMArena Instruction Following | — | 1377 |
Long Context Not comparable
Nova Premier 1.0: —, Solar Pro4: 42.1 (#130)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1381 |
Writing & Preference Solar Pro4 leads
Nova Premier 1.0: 51.0 (#178), Solar Pro4: 56.5 (#138)
| Benchmark | Nova Premier 1.0 | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1316 |
| WildBench | 78.8% | — |
| LMArena Multi-Turn | — | 1385 |
Frequently asked questions
Is Nova Premier 1.0 better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 38.3 on the Noometry Index.
Which is cheaper, Nova Premier 1.0 or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Nova Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 524K.
How many benchmarks do Nova Premier 1.0 and Solar Pro4 share?
0 benchmarks have published results for both models. Nova Premier 1.0 has 6 scored results on Noometry and Solar Pro4 has 18.